[PATCH 14/20] FRV: Fujitsu FR-V arch include files
From: dhowells
Date: Mon Nov 08 2004 - 10:32:07 EST
The attached patch provides the arch-specific include files for the Fujitsu
FR-V CPU arch.
Signed-Off-By: dhowells@xxxxxxxxxx
---
diffstat frv-include_3-2610rc1mm3.diff
registers.h | 255 ++++++++++++++++++++++++++++++++++++
resource.h | 53 +++++++
scatterlist.h | 32 ++++
sections.h | 46 ++++++
segment.h | 46 ++++++
semaphore.h | 161 +++++++++++++++++++++++
sembuf.h | 26 +++
serial-regs.h | 44 ++++++
serial.h | 19 ++
setup.h | 25 +++
shmbuf.h | 43 ++++++
shmparam.h | 7 +
sigcontext.h | 26 +++
siginfo.h | 12 +
signal.h | 187 +++++++++++++++++++++++++++
smp.h | 10 +
socket.h | 51 +++++++
sockios.h | 13 +
spinlock.h | 17 ++
spr-regs.h | 401 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
stat.h | 100 ++++++++++++++
statfs.h | 7 +
string.h | 51 +++++++
suspend.h | 20 ++
system.h | 123 +++++++++++++++++
termbits.h | 177 +++++++++++++++++++++++++
termios.h | 74 ++++++++++
thread_info.h | 158 ++++++++++++++++++++++
timer-regs.h | 106 +++++++++++++++
timex.h | 25 +++
tlb.h | 23 +++
tlbflush.h | 76 ++++++++++
topology.h | 14 ++
types.h | 74 ++++++++++
uaccess.h | 317 +++++++++++++++++++++++++++++++++++++++++++++
ucontext.h | 12 +
36 files changed, 2831 insertions(+)
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/registers.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/registers.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/registers.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/registers.h 2004-11-05 14:13:04.159474152 +0000
@@ -0,0 +1,255 @@
+/* registers.h: register frame declarations
+ *
+ * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@xxxxxxxxxx)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+/*
+ * notes:
+ *
+ * (1) that the members of all these structures are carefully aligned to permit
+ * usage of STD/STDF instructions
+ *
+ * (2) if you change these structures, you must change the code in
+ * arch/frvnommu/kernel/{break.S,entry.S,switch_to.S,gdb-stub.c}
+ *
+ *
+ * the kernel stack space block looks like this:
+ *
+ * +0x2000 +----------------------
+ * | union {
+ * | struct user_context
+ * | struct pt_regs [user exception]
+ * | }
+ * +---------------------- <-- __kernel_frame0_ptr (maybe GR28)
+ * |
+ * | kernel stack
+ * |
+ * |......................
+ * | struct pt_regs [kernel exception]
+ * |...................... <-- __kernel_frame0_ptr (maybe GR28)
+ * |
+ * | kernel stack
+ * |
+ * |...................... <-- stack pointer (GR1)
+ * |
+ * | unused stack space
+ * |
+ * +----------------------
+ * | struct thread_info
+ * +0x0000 +---------------------- <-- __current_thread_info (GR15);
+ *
+ * note that GR28 points to the current exception frame
+ */
+
+#ifndef _ASM_REGISTERS_H
+#define _ASM_REGISTERS_H
+
+#ifndef __ASSEMBLY__
+#define __OFFSET(X) (X)
+#define __OFFSETC(X,N) xxxxxxxxxxxxxxxxxxxxxxxx
+#else
+#define __OFFSET(X) ((X)*4)
+#define __OFFSETC(X,N) ((X)*4+(N))
+#endif
+
+/*****************************************************************************/
+/*
+ * Exception/Interrupt frame
+ * - held on kernel stack
+ * - 8-byte aligned on stack (old SP is saved in frame)
+ * - GR0 is fixed 0, so we don't save it
+ */
+#ifndef __ASSEMBLY__
+
+struct pt_regs {
+ unsigned long psr; /* Processor Status Register */
+ unsigned long isr; /* Integer Status Register */
+ unsigned long ccr; /* Condition Code Register */
+ unsigned long cccr; /* Condition Code for Conditional Insns Register */
+ unsigned long lr; /* Link Register */
+ unsigned long lcr; /* Loop Count Register */
+ unsigned long pc; /* Program Counter Register */
+ unsigned long __status; /* exception status */
+ unsigned long syscallno; /* syscall number or -1 */
+ unsigned long orig_gr8; /* original syscall arg #1 */
+ unsigned long gner0;
+ unsigned long gner1;
+ unsigned long long iacc0;
+ unsigned long tbr; /* GR0 is fixed zero, so we use this for TBR */
+ unsigned long sp; /* GR1: USP/KSP */
+ unsigned long fp; /* GR2: FP */
+ unsigned long gr3;
+ unsigned long gr4;
+ unsigned long gr5;
+ unsigned long gr6;
+ unsigned long gr7; /* syscall number */
+ unsigned long gr8; /* 1st syscall param; syscall return */
+ unsigned long gr9; /* 2nd syscall param */
+ unsigned long gr10; /* 3rd syscall param */
+ unsigned long gr11; /* 4th syscall param */
+ unsigned long gr12; /* 5th syscall param */
+ unsigned long gr13; /* 6th syscall param */
+ unsigned long gr14;
+ unsigned long gr15;
+ unsigned long gr16; /* GP pointer */
+ unsigned long gr17; /* small data */
+ unsigned long gr18; /* PIC/PID */
+ unsigned long gr19;
+ unsigned long gr20;
+ unsigned long gr21;
+ unsigned long gr22;
+ unsigned long gr23;
+ unsigned long gr24;
+ unsigned long gr25;
+ unsigned long gr26;
+ unsigned long gr27;
+ struct pt_regs *next_frame; /* GR28 - next exception frame */
+ unsigned long gr29; /* GR29 - OS reserved */
+ unsigned long gr30; /* GR30 - OS reserved */
+ unsigned long gr31; /* GR31 - OS reserved */
+} __attribute__((aligned(8)));
+
+#endif
+
+#define REG_PSR __OFFSET( 0) /* Processor Status Register */
+#define REG_ISR __OFFSET( 1) /* Integer Status Register */
+#define REG_CCR __OFFSET( 2) /* Condition Code Register */
+#define REG_CCCR __OFFSET( 3) /* Condition Code for Conditional Insns Register */
+#define REG_LR __OFFSET( 4) /* Link Register */
+#define REG_LCR __OFFSET( 5) /* Loop Count Register */
+#define REG_PC __OFFSET( 6) /* Program Counter */
+
+#define REG__STATUS __OFFSET( 7) /* exception status */
+#define REG__STATUS_STEP 0x00000001 /* - reenable single stepping on return */
+#define REG__STATUS_STEPPED 0x00000002 /* - single step caused exception */
+#define REG__STATUS_BROKE 0x00000004 /* - BREAK insn caused exception */
+#define REG__STATUS_SYSC_ENTRY 0x40000000 /* - T on syscall entry (ptrace.c only) */
+#define REG__STATUS_SYSC_EXIT 0x80000000 /* - T on syscall exit (ptrace.c only) */
+
+#define REG_SYSCALLNO __OFFSET( 8) /* syscall number or -1 */
+#define REG_ORIG_GR8 __OFFSET( 9) /* saved GR8 for signal handling */
+#define REG_GNER0 __OFFSET(10)
+#define REG_GNER1 __OFFSET(11)
+#define REG_IACC0 __OFFSET(12)
+
+#define REG_TBR __OFFSET(14) /* Trap Vector Register */
+#define REG_GR(R) __OFFSET((14+(R)))
+#define REG__END REG_GR(32)
+
+#define REG_SP REG_GR(1)
+#define REG_FP REG_GR(2)
+#define REG_PREV_FRAME REG_GR(28) /* previous exception frame pointer (old gr28 value) */
+#define REG_CURR_TASK REG_GR(29) /* current task */
+
+/*****************************************************************************/
+/*
+ * extension tacked in front of the exception frame in debug mode
+ */
+#ifndef __ASSEMBLY__
+
+struct pt_debug_regs
+{
+ unsigned long bpsr;
+ unsigned long dcr;
+ unsigned long brr;
+ unsigned long nmar;
+ struct pt_regs normal_regs;
+} __attribute__((aligned(8)));
+
+#endif
+
+#define REG_NMAR __OFFSET(-1)
+#define REG_BRR __OFFSET(-2)
+#define REG_DCR __OFFSET(-3)
+#define REG_BPSR __OFFSET(-4)
+#define REG__DEBUG_XTRA __OFFSET(4)
+
+/*****************************************************************************/
+/*
+ * userspace registers
+ */
+#ifndef __ASSEMBLY__
+
+struct user_int_regs
+{
+ /* integer registers
+ * - up to gr[31] mirror pt_regs
+ * - total size must be multiple of 8 bytes
+ */
+ unsigned long psr; /* Processor Status Register */
+ unsigned long isr; /* Integer Status Register */
+ unsigned long ccr; /* Condition Code Register */
+ unsigned long cccr; /* Condition Code for Conditional Insns Register */
+ unsigned long lr; /* Link Register */
+ unsigned long lcr; /* Loop Count Register */
+ unsigned long pc; /* Program Counter Register */
+ unsigned long __status; /* exception status */
+ unsigned long syscallno; /* syscall number or -1 */
+ unsigned long orig_gr8; /* original syscall arg #1 */
+ unsigned long gner[2];
+ unsigned long long iacc[1];
+
+ union {
+ unsigned long tbr;
+ unsigned long gr[64];
+ };
+};
+
+struct user_fpmedia_regs
+{
+ /* FP/Media registers */
+ unsigned long fr[64];
+ unsigned long fner[2];
+ unsigned long msr[2];
+ unsigned long acc[8];
+ unsigned char accg[8];
+ unsigned long fsr[1];
+};
+
+struct user_context
+{
+ struct user_int_regs i;
+ struct user_fpmedia_regs f;
+
+ /* we provide a context extension so that we can save the regs for CPUs that
+ * implement many more of Fujitsu's lavish register spec
+ */
+ void *extension;
+} __attribute__((aligned(8)));
+
+#endif
+
+#define NR_USER_INT_REGS (14 + 64)
+#define NR_USER_FPMEDIA_REGS (64 + 2 + 2 + 8 + 8/4 + 1)
+#define NR_USER_CONTEXT (NR_USER_INT_REGS + NR_USER_FPMEDIA_REGS + 1)
+
+#define USER_CONTEXT_SIZE (((NR_USER_CONTEXT + 1) & ~1) * 4)
+
+#define __THREAD_FRAME __OFFSET(0)
+#define __THREAD_CURR __OFFSET(1)
+#define __THREAD_SP __OFFSET(2)
+#define __THREAD_FP __OFFSET(3)
+#define __THREAD_LR __OFFSET(4)
+#define __THREAD_PC __OFFSET(5)
+#define __THREAD_GR(R) __OFFSET(6 + (R) - 16)
+#define __THREAD_FRAME0 __OFFSET(19)
+#define __THREAD_USER __OFFSET(19)
+
+#define __USER_INT __OFFSET(0)
+#define __INT_GR(R) __OFFSET(14 + (R))
+
+#define __USER_FPMEDIA __OFFSET(NR_USER_INT_REGS)
+#define __FPMEDIA_FR(R) __OFFSET(NR_USER_INT_REGS + (R))
+#define __FPMEDIA_FNER(R) __OFFSET(NR_USER_INT_REGS + 64 + (R))
+#define __FPMEDIA_MSR(R) __OFFSET(NR_USER_INT_REGS + 66 + (R))
+#define __FPMEDIA_ACC(R) __OFFSET(NR_USER_INT_REGS + 68 + (R))
+#define __FPMEDIA_ACCG(R) __OFFSETC(NR_USER_INT_REGS + 76, (R))
+#define __FPMEDIA_FSR(R) __OFFSET(NR_USER_INT_REGS + 78 + (R))
+
+#endif /* _ASM_REGISTERS_H */
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/resource.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/resource.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/resource.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/resource.h 2004-11-05 14:13:04.164473730 +0000
@@ -0,0 +1,53 @@
+#ifndef _ASM_RESOURCE_H
+#define _ASM_RESOURCE_H
+
+/*
+ * Resource limits
+ */
+
+#define RLIMIT_CPU 0 /* CPU time in ms */
+#define RLIMIT_FSIZE 1 /* Maximum filesize */
+#define RLIMIT_DATA 2 /* max data size */
+#define RLIMIT_STACK 3 /* max stack size */
+#define RLIMIT_CORE 4 /* max core file size */
+#define RLIMIT_RSS 5 /* max resident set size */
+#define RLIMIT_NPROC 6 /* max number of processes */
+#define RLIMIT_NOFILE 7 /* max number of open files */
+#define RLIMIT_MEMLOCK 8 /* max locked-in-memory address space */
+#define RLIMIT_AS 9 /* address space limit */
+#define RLIMIT_LOCKS 10 /* maximum file locks held */
+#define RLIMIT_SIGPENDING 11 /* max number of pending signals */
+#define RLIMIT_MSGQUEUE 12 /* maximum bytes in POSIX mqueues */
+
+#define RLIM_NLIMITS 13
+
+
+/*
+ * SuS says limits have to be unsigned.
+ * Which makes a ton more sense anyway.
+ */
+#define RLIM_INFINITY (~0UL)
+
+#ifdef __KERNEL__
+
+#define INIT_RLIMITS \
+{ \
+ { RLIM_INFINITY, RLIM_INFINITY }, \
+ { RLIM_INFINITY, RLIM_INFINITY }, \
+ { RLIM_INFINITY, RLIM_INFINITY }, \
+ { _STK_LIM, RLIM_INFINITY }, \
+ { 0, RLIM_INFINITY }, \
+ { RLIM_INFINITY, RLIM_INFINITY }, \
+ { 0, 0 }, \
+ { INR_OPEN, INR_OPEN }, \
+ { MLOCK_LIMIT, MLOCK_LIMIT }, \
+ { RLIM_INFINITY, RLIM_INFINITY }, \
+ { RLIM_INFINITY, RLIM_INFINITY }, \
+ { MAX_SIGPENDING, MAX_SIGPENDING }, \
+ { MQ_BYTES_MAX, MQ_BYTES_MAX }, \
+}
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_RESOURCE_H */
+
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/scatterlist.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/scatterlist.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/scatterlist.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/scatterlist.h 2004-11-05 14:13:04.168473392 +0000
@@ -0,0 +1,32 @@
+#ifndef _ASM_SCATTERLIST_H
+#define _ASM_SCATTERLIST_H
+
+/*
+ * Drivers must set either ->address or (preferred) ->page and ->offset
+ * to indicate where data must be transferred to/from.
+ *
+ * Using ->page is recommended since it handles highmem data as well as
+ * low mem. ->address is restricted to data which has a virtual mapping, and
+ * it will go away in the future. Updating to ->page can be automated very
+ * easily -- something like
+ *
+ * sg->address = some_ptr;
+ *
+ * can be rewritten as
+ *
+ * sg->page = virt_to_page(some_ptr);
+ * sg->offset = (unsigned long) some_ptr & ~PAGE_MASK;
+ *
+ * and that's it. There's no excuse for not highmem enabling YOUR driver. /jens
+ */
+struct scatterlist {
+ struct page *page; /* Location for highmem page, if any */
+ unsigned int offset; /* for highmem, page offset */
+
+ dma_addr_t dma_address;
+ unsigned int length;
+};
+
+#define ISA_DMA_THRESHOLD (0xffffffffUL)
+
+#endif /* !_ASM_SCATTERLIST_H */
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/sections.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/sections.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/sections.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/sections.h 2004-11-05 14:13:04.172473054 +0000
@@ -0,0 +1,46 @@
+/* sections.h: linkage layout variables
+ *
+ * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@xxxxxxxxxx)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _ASM_SECTIONS_H
+#define _ASM_SECTIONS_H
+
+#ifndef __ASSEMBLY__
+
+#include <linux/types.h>
+#include <asm-generic/sections.h>
+
+#ifdef __KERNEL__
+
+/*
+ * we don't want to put variables in the GP-REL section if they're not used very much - that would
+ * be waste since GP-REL addressing is limited to GP16+/-2048
+ */
+#define __nongpreldata __attribute__((section(".data")))
+#define __nongprelbss __attribute__((section(".bss")))
+
+/*
+ * linker symbols
+ */
+extern const void __kernel_image_start, __kernel_image_end, __page_offset;
+
+extern unsigned long __nongprelbss memory_start;
+extern unsigned long __nongprelbss memory_end;
+extern unsigned long __nongprelbss rom_length;
+
+/* determine if we're running from ROM */
+static inline int is_in_rom(unsigned long addr)
+{
+ return 0; /* default case: not in ROM */
+}
+
+#endif
+#endif
+#endif /* _ASM_SECTIONS_H */
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/segment.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/segment.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/segment.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/segment.h 2004-11-05 14:13:04.176472716 +0000
@@ -0,0 +1,46 @@
+/* segment.h: MMU segment settings
+ *
+ * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@xxxxxxxxxx)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _ASM_SEGMENT_H
+#define _ASM_SEGMENT_H
+
+#include <linux/config.h>
+
+#ifndef __ASSEMBLY__
+
+typedef struct {
+ unsigned long seg;
+} mm_segment_t;
+
+#define MAKE_MM_SEG(s) ((mm_segment_t) { (s) })
+
+#define KERNEL_DS MAKE_MM_SEG(0xdfffffffUL)
+
+#ifdef CONFIG_MMU
+#define USER_DS MAKE_MM_SEG(TASK_SIZE - 1)
+#else
+#define USER_DS KERNEL_DS
+#endif
+
+#define get_ds() (KERNEL_DS)
+#define get_fs() (__current_thread_info->addr_limit)
+#define segment_eq(a,b) ((a).seg == (b).seg)
+#define __kernel_ds_p() segment_eq(get_fs(), KERNEL_DS)
+#define get_addr_limit() (get_fs().seg)
+
+#define set_fs(_x) \
+do { \
+ __current_thread_info->addr_limit = (_x); \
+} while(0)
+
+
+#endif /* __ASSEMBLY__ */
+#endif /* _ASM_SEGMENT_H */
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/semaphore.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/semaphore.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/semaphore.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/semaphore.h 2004-11-05 14:13:04.179472463 +0000
@@ -0,0 +1,161 @@
+/* semaphore.h: semaphores for the FR-V
+ *
+ * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@xxxxxxxxxx)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#ifndef _ASM_SEMAPHORE_H
+#define _ASM_SEMAPHORE_H
+
+#define RW_LOCK_BIAS 0x01000000
+
+#ifndef __ASSEMBLY__
+
+#include <linux/linkage.h>
+#include <linux/wait.h>
+#include <linux/spinlock.h>
+#include <linux/rwsem.h>
+
+#define SEMAPHORE_DEBUG WAITQUEUE_DEBUG
+
+/*
+ * the semaphore definition
+ * - if counter is >0 then there are tokens available on the semaphore for down to collect
+ * - if counter is <=0 then there are no spare tokens, and anyone that wants one must wait
+ * - if wait_list is not empty, then there are processes waiting for the semaphore
+ */
+struct semaphore {
+ unsigned counter;
+ spinlock_t wait_lock;
+ struct list_head wait_list;
+#if SEMAPHORE_DEBUG
+ unsigned __magic;
+#endif
+};
+
+#if SEMAPHORE_DEBUG
+# define __SEM_DEBUG_INIT(name) , (long)&(name).__magic
+#else
+# define __SEM_DEBUG_INIT(name)
+#endif
+
+
+#define __SEMAPHORE_INITIALIZER(name,count) \
+{ count, SPIN_LOCK_UNLOCKED, LIST_HEAD_INIT((name).wait_list) __SEM_DEBUG_INIT(name) }
+
+#define __MUTEX_INITIALIZER(name) \
+ __SEMAPHORE_INITIALIZER(name,1)
+
+#define __DECLARE_SEMAPHORE_GENERIC(name,count) \
+ struct semaphore name = __SEMAPHORE_INITIALIZER(name,count)
+
+#define DECLARE_MUTEX(name) __DECLARE_SEMAPHORE_GENERIC(name,1)
+#define DECLARE_MUTEX_LOCKED(name) __DECLARE_SEMAPHORE_GENERIC(name,0)
+
+static inline void sema_init (struct semaphore *sem, int val)
+{
+ *sem = (struct semaphore) __SEMAPHORE_INITIALIZER(*sem, val);
+}
+
+static inline void init_MUTEX (struct semaphore *sem)
+{
+ sema_init(sem, 1);
+}
+
+static inline void init_MUTEX_LOCKED (struct semaphore *sem)
+{
+ sema_init(sem, 0);
+}
+
+extern void __down(struct semaphore *sem, unsigned long flags);
+extern int __down_interruptible(struct semaphore *sem, unsigned long flags);
+extern void __up(struct semaphore *sem);
+
+static inline void down(struct semaphore *sem)
+{
+ unsigned long flags;
+
+#if SEMAPHORE_DEBUG
+ CHECK_MAGIC(sem->__magic);
+#endif
+
+ spin_lock_irqsave(&sem->wait_lock, flags);
+ if (likely(sem->counter > 0)) {
+ sem->counter--;
+ spin_unlock_irqrestore(&sem->wait_lock, flags);
+ }
+ else {
+ __down(sem, flags);
+ }
+}
+
+static inline int down_interruptible(struct semaphore *sem)
+{
+ unsigned long flags;
+ int ret = 0;
+
+#if SEMAPHORE_DEBUG
+ CHECK_MAGIC(sem->__magic);
+#endif
+
+ spin_lock_irqsave(&sem->wait_lock, flags);
+ if (likely(sem->counter > 0)) {
+ sem->counter--;
+ spin_unlock_irqrestore(&sem->wait_lock, flags);
+ }
+ else {
+ ret = __down_interruptible(sem, flags);
+ }
+ return ret;
+}
+
+/*
+ * non-blockingly attempt to down() a semaphore.
+ * - returns zero if we acquired it
+ */
+static inline int down_trylock(struct semaphore *sem)
+{
+ unsigned long flags;
+ int success = 0;
+
+#if SEMAPHORE_DEBUG
+ CHECK_MAGIC(sem->__magic);
+#endif
+
+ spin_lock_irqsave(&sem->wait_lock, flags);
+ if (sem->counter > 0) {
+ sem->counter--;
+ success = 1;
+ }
+ spin_unlock_irqrestore(&sem->wait_lock, flags);
+ return !success;
+}
+
+static inline void up(struct semaphore *sem)
+{
+ unsigned long flags;
+
+#if SEMAPHORE_DEBUG
+ CHECK_MAGIC(sem->__magic);
+#endif
+
+ spin_lock_irqsave(&sem->wait_lock, flags);
+ if (!list_empty(&sem->wait_list))
+ __up(sem);
+ else
+ sem->counter++;
+ spin_unlock_irqrestore(&sem->wait_lock, flags);
+}
+
+static inline int sem_getcount(struct semaphore *sem)
+{
+ return sem->counter;
+}
+
+#endif /* __ASSEMBLY__ */
+
+#endif
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/sembuf.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/sembuf.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/sembuf.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/sembuf.h 2004-11-05 14:13:04.184472041 +0000
@@ -0,0 +1,26 @@
+#ifndef _ASM_SEMBUF_H
+#define _ASM_SEMBUF_H
+
+/*
+ * The semid64_ds structure for FR-V architecture.
+ * Note extra padding because this structure is passed back and forth
+ * between kernel and user space.
+ *
+ * Pad space is left for:
+ * - 64-bit time_t to solve y2038 problem
+ * - 2 miscellaneous 32-bit values
+ */
+
+struct semid64_ds {
+ struct ipc64_perm sem_perm; /* permissions .. see ipc.h */
+ __kernel_time_t sem_otime; /* last semop time */
+ unsigned long __unused1;
+ __kernel_time_t sem_ctime; /* last change time */
+ unsigned long __unused2;
+ unsigned long sem_nsems; /* no. of semaphores in array */
+ unsigned long __unused3;
+ unsigned long __unused4;
+};
+
+#endif /* _ASM_SEMBUF_H */
+
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/serial.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/serial.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/serial.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/serial.h 2004-11-05 14:13:04.187471787 +0000
@@ -0,0 +1,19 @@
+/*
+ * serial.h
+ *
+ * Copyright (C) 2003 Develer S.r.l. (http://www.develer.com/)
+ * Author: Bernardo Innocenti <bernie@xxxxxxxxxxx>
+ *
+ * Based on linux/include/asm-i386/serial.h
+ */
+#include <linux/config.h>
+#include <asm/serial-regs.h>
+
+/*
+ * the base baud is derived from the clock speed and so is variable
+ */
+#define BASE_BAUD 0
+
+#define STD_COM_FLAGS ASYNC_BOOT_AUTOCONF
+
+#define SERIAL_PORT_DFNS
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/serial-regs.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/serial-regs.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/serial-regs.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/serial-regs.h 2004-11-05 14:13:04.191471450 +0000
@@ -0,0 +1,44 @@
+/* serial-regs.h: serial port registers
+ *
+ * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@xxxxxxxxxx)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _ASM_SERIAL_REGS_H
+#define _ASM_SERIAL_REGS_H
+
+#include <linux/serial_reg.h>
+#include <asm/irc-regs.h>
+
+#define SERIAL_ICLK 33333333 /* the target serial input clock */
+#define UART0_BASE 0xfeff9c00
+#define UART1_BASE 0xfeff9c40
+
+#define __get_UART0(R) ({ __reg(UART0_BASE + (R) * 8) >> 24; })
+#define __get_UART1(R) ({ __reg(UART1_BASE + (R) * 8) >> 24; })
+#define __set_UART0(R,V) do { __reg(UART0_BASE + (R) * 8) = (V) << 24; } while(0)
+#define __set_UART1(R,V) do { __reg(UART1_BASE + (R) * 8) = (V) << 24; } while(0)
+
+#define __get_UART0_LSR() ({ __get_UART0(UART_LSR); })
+#define __get_UART1_LSR() ({ __get_UART1(UART_LSR); })
+
+#define __set_UART0_IER(V) __set_UART0(UART_IER,(V))
+#define __set_UART1_IER(V) __set_UART1(UART_IER,(V))
+
+/* serial prescaler select register */
+#define __get_UCPSR() ({ *(volatile unsigned long *)(0xfeff9c90); })
+#define __set_UCPSR(V) do { *(volatile unsigned long *)(0xfeff9c90) = (V); } while(0)
+#define UCPSR_SELECT0 0x07000000
+#define UCPSR_SELECT1 0x38000000
+
+/* serial prescaler base value register */
+#define __get_UCPVR() ({ *(volatile unsigned long *)(0xfeff9c98); mb(); })
+#define __set_UCPVR(V) do { *(volatile unsigned long *)(0xfeff9c98) = (V) << 24; mb(); } while(0)
+
+
+#endif /* _ASM_SERIAL_REGS_H */
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/setup.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/setup.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/setup.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/setup.h 2004-11-05 14:13:04.195471112 +0000
@@ -0,0 +1,25 @@
+/* setup.h: setup stuff
+ *
+ * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@xxxxxxxxxx)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _ASM_SETUP_H
+#define _ASM_SETUP_H
+
+#include <linux/init.h>
+
+#ifndef __ASSEMBLY__
+
+#ifdef CONFIG_MMU
+extern unsigned long __initdata num_mappedpages;
+#endif
+
+#endif /* !__ASSEMBLY__ */
+
+#endif /* _ASM_SETUP_H */
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/shmbuf.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/shmbuf.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/shmbuf.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/shmbuf.h 2004-11-05 14:13:04.199470774 +0000
@@ -0,0 +1,43 @@
+#ifndef _ASM_SHMBUF_H
+#define _ASM_SHMBUF_H
+
+/*
+ * The shmid64_ds structure for FR-V architecture.
+ * Note extra padding because this structure is passed back and forth
+ * between kernel and user space.
+ *
+ * Pad space is left for:
+ * - 64-bit time_t to solve y2038 problem
+ * - 2 miscellaneous 32-bit values
+ */
+
+struct shmid64_ds {
+ struct ipc64_perm shm_perm; /* operation perms */
+ size_t shm_segsz; /* size of segment (bytes) */
+ __kernel_time_t shm_atime; /* last attach time */
+ unsigned long __unused1;
+ __kernel_time_t shm_dtime; /* last detach time */
+ unsigned long __unused2;
+ __kernel_time_t shm_ctime; /* last change time */
+ unsigned long __unused3;
+ __kernel_pid_t shm_cpid; /* pid of creator */
+ __kernel_pid_t shm_lpid; /* pid of last operator */
+ unsigned long shm_nattch; /* no. of current attaches */
+ unsigned long __unused4;
+ unsigned long __unused5;
+};
+
+struct shminfo64 {
+ unsigned long shmmax;
+ unsigned long shmmin;
+ unsigned long shmmni;
+ unsigned long shmseg;
+ unsigned long shmall;
+ unsigned long __unused1;
+ unsigned long __unused2;
+ unsigned long __unused3;
+ unsigned long __unused4;
+};
+
+#endif /* _ASM_SHMBUF_H */
+
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/shmparam.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/shmparam.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/shmparam.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/shmparam.h 2004-11-05 14:13:04.203470436 +0000
@@ -0,0 +1,7 @@
+#ifndef _ASM_SHMPARAM_H
+#define _ASM_SHMPARAM_H
+
+#define SHMLBA PAGE_SIZE /* attach addr a multiple of this */
+
+#endif /* _ASM_SHMPARAM_H */
+
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/sigcontext.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/sigcontext.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/sigcontext.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/sigcontext.h 2004-11-05 14:13:04.207470098 +0000
@@ -0,0 +1,26 @@
+/* sigcontext.h: FRV signal context
+ *
+ * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@xxxxxxxxxx)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#ifndef _ASM_SIGCONTEXT_H
+#define _ASM_SIGCONTEXT_H
+
+#include <asm/registers.h>
+
+/*
+ * Signal context structure - contains all info to do with the state
+ * before the signal handler was invoked. Note: only add new entries
+ * to the end of the structure.
+ */
+struct sigcontext {
+ struct user_context sc_context;
+ unsigned long sc_oldmask; /* old sigmask */
+} __attribute__((aligned(8)));
+
+#endif
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/siginfo.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/siginfo.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/siginfo.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/siginfo.h 2004-11-05 14:13:04.214469507 +0000
@@ -0,0 +1,12 @@
+#ifndef _ASM_SIGINFO_H
+#define _ASM_SIGINFO_H
+
+#include <linux/types.h>
+#include <asm-generic/siginfo.h>
+
+#define FPE_MDAOVF (__SI_FAULT|9) /* media overflow */
+#undef NSIGFPE
+#define NSIGFPE 9
+
+#endif
+
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/signal.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/signal.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/signal.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/signal.h 2004-11-05 14:13:04.218469169 +0000
@@ -0,0 +1,187 @@
+#ifndef _ASM_SIGNAL_H
+#define _ASM_SIGNAL_H
+
+#include <linux/types.h>
+
+/* Avoid too many header ordering problems. */
+struct siginfo;
+
+#ifdef __KERNEL__
+/* Most things should be clean enough to redefine this at will, if care
+ is taken to make libc match. */
+
+#define _NSIG 64
+#define _NSIG_BPW 32
+#define _NSIG_WORDS (_NSIG / _NSIG_BPW)
+
+typedef unsigned long old_sigset_t; /* at least 32 bits */
+
+typedef struct {
+ unsigned long sig[_NSIG_WORDS];
+} sigset_t;
+
+#else
+/* Here we must cater to libcs that poke about in kernel headers. */
+
+#define NSIG 32
+typedef unsigned long sigset_t;
+
+#endif /* __KERNEL__ */
+
+#define SIGHUP 1
+#define SIGINT 2
+#define SIGQUIT 3
+#define SIGILL 4
+#define SIGTRAP 5
+#define SIGABRT 6
+#define SIGIOT 6
+#define SIGBUS 7
+#define SIGFPE 8
+#define SIGKILL 9
+#define SIGUSR1 10
+#define SIGSEGV 11
+#define SIGUSR2 12
+#define SIGPIPE 13
+#define SIGALRM 14
+#define SIGTERM 15
+#define SIGSTKFLT 16
+#define SIGCHLD 17
+#define SIGCONT 18
+#define SIGSTOP 19
+#define SIGTSTP 20
+#define SIGTTIN 21
+#define SIGTTOU 22
+#define SIGURG 23
+#define SIGXCPU 24
+#define SIGXFSZ 25
+#define SIGVTALRM 26
+#define SIGPROF 27
+#define SIGWINCH 28
+#define SIGIO 29
+#define SIGPOLL SIGIO
+/*
+#define SIGLOST 29
+*/
+#define SIGPWR 30
+#define SIGSYS 31
+#define SIGUNUSED 31
+
+/* These should not be considered constants from userland. */
+#define SIGRTMIN 32
+#define SIGRTMAX (_NSIG-1)
+
+/*
+ * SA_FLAGS values:
+ *
+ * SA_ONSTACK indicates that a registered stack_t will be used.
+ * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
+ * SA_RESTART flag to get restarting signals (which were the default long ago)
+ * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
+ * SA_RESETHAND clears the handler when the signal is delivered.
+ * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
+ * SA_NODEFER prevents the current signal from being masked in the handler.
+ *
+ * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
+ * Unix names RESETHAND and NODEFER respectively.
+ */
+#define SA_NOCLDSTOP 0x00000001
+#define SA_NOCLDWAIT 0x00000002 /* not supported yet */
+#define SA_SIGINFO 0x00000004
+#define SA_ONSTACK 0x08000000
+#define SA_RESTART 0x10000000
+#define SA_NODEFER 0x40000000
+#define SA_RESETHAND 0x80000000
+
+#define SA_NOMASK SA_NODEFER
+#define SA_ONESHOT SA_RESETHAND
+#define SA_INTERRUPT 0x20000000 /* dummy -- ignored */
+
+#define SA_RESTORER 0x04000000
+
+/*
+ * sigaltstack controls
+ */
+#define SS_ONSTACK 1
+#define SS_DISABLE 2
+
+#define MINSIGSTKSZ 2048
+#define SIGSTKSZ 8192
+
+#ifdef __KERNEL__
+
+/*
+ * These values of sa_flags are used only by the kernel as part of the
+ * irq handling routines.
+ *
+ * SA_INTERRUPT is also used by the irq handling routines.
+ * SA_SHIRQ is for shared interrupt support on PCI and EISA.
+ */
+#define SA_PROBE SA_ONESHOT
+#define SA_SAMPLE_RANDOM SA_RESTART
+#define SA_SHIRQ 0x04000000
+#endif
+
+#define SIG_BLOCK 0 /* for blocking signals */
+#define SIG_UNBLOCK 1 /* for unblocking signals */
+#define SIG_SETMASK 2 /* for setting the signal mask */
+
+/* Type of a signal handler. */
+typedef void (*__sighandler_t)(int);
+
+#define SIG_DFL ((__sighandler_t)0) /* default signal handling */
+#define SIG_IGN ((__sighandler_t)1) /* ignore signal */
+#define SIG_ERR ((__sighandler_t)-1) /* error return from signal */
+
+#ifdef __KERNEL__
+struct old_sigaction {
+ __sighandler_t sa_handler;
+ old_sigset_t sa_mask;
+ unsigned long sa_flags;
+ void (*sa_restorer)(void);
+};
+
+struct sigaction {
+ __sighandler_t sa_handler;
+ unsigned long sa_flags;
+ void (*sa_restorer)(void);
+ sigset_t sa_mask; /* mask last for extensibility */
+};
+
+struct k_sigaction {
+ struct sigaction sa;
+};
+#else
+/* Here we must cater to libcs that poke about in kernel headers. */
+
+struct sigaction {
+ union {
+ __sighandler_t _sa_handler;
+ void (*_sa_sigaction)(int, struct siginfo *, void *);
+ } _u;
+ sigset_t sa_mask;
+ unsigned long sa_flags;
+ void (*sa_restorer)(void);
+};
+
+#define sa_handler _u._sa_handler
+#define sa_sigaction _u._sa_sigaction
+
+#endif /* __KERNEL__ */
+
+typedef struct sigaltstack {
+ void *ss_sp;
+ int ss_flags;
+ size_t ss_size;
+} stack_t;
+
+extern int do_signal(struct pt_regs *regs, sigset_t *oldset);
+#define ptrace_signal_deliver(regs, cookie) do { } while (0)
+
+#ifdef __KERNEL__
+
+#include <asm/sigcontext.h>
+#undef __HAVE_ARCH_SIG_BITOPS
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_SIGNAL_H */
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/smp.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/smp.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/smp.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/smp.h 2004-11-05 14:13:04.222468831 +0000
@@ -0,0 +1,10 @@
+#ifndef __ASM_SMP_H
+#define __ASM_SMP_H
+
+#include <linux/config.h>
+
+#ifdef CONFIG_SMP
+#error SMP not supported
+#endif
+
+#endif
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/socket.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/socket.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/socket.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/socket.h 2004-11-05 14:13:04.226468494 +0000
@@ -0,0 +1,51 @@
+#ifndef _ASM_SOCKET_H
+#define _ASM_SOCKET_H
+
+#include <asm/sockios.h>
+
+/* For setsockopt(2) */
+#define SOL_SOCKET 1
+
+#define SO_DEBUG 1
+#define SO_REUSEADDR 2
+#define SO_TYPE 3
+#define SO_ERROR 4
+#define SO_DONTROUTE 5
+#define SO_BROADCAST 6
+#define SO_SNDBUF 7
+#define SO_RCVBUF 8
+#define SO_KEEPALIVE 9
+#define SO_OOBINLINE 10
+#define SO_NO_CHECK 11
+#define SO_PRIORITY 12
+#define SO_LINGER 13
+#define SO_BSDCOMPAT 14
+/* To add :#define SO_REUSEPORT 15 */
+#define SO_PASSCRED 16
+#define SO_PEERCRED 17
+#define SO_RCVLOWAT 18
+#define SO_SNDLOWAT 19
+#define SO_RCVTIMEO 20
+#define SO_SNDTIMEO 21
+
+/* Security levels - as per NRL IPv6 - don't actually do anything */
+#define SO_SECURITY_AUTHENTICATION 22
+#define SO_SECURITY_ENCRYPTION_TRANSPORT 23
+#define SO_SECURITY_ENCRYPTION_NETWORK 24
+
+#define SO_BINDTODEVICE 25
+
+/* Socket filtering */
+#define SO_ATTACH_FILTER 26
+#define SO_DETACH_FILTER 27
+
+#define SO_PEERNAME 28
+#define SO_TIMESTAMP 29
+#define SCM_TIMESTAMP SO_TIMESTAMP
+
+#define SO_ACCEPTCONN 30
+
+#define SO_PEERSEC 31
+
+#endif /* _ASM_SOCKET_H */
+
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/sockios.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/sockios.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/sockios.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/sockios.h 2004-11-05 14:13:04.230468156 +0000
@@ -0,0 +1,13 @@
+#ifndef _ASM_SOCKIOS__
+#define _ASM_SOCKIOS__
+
+/* Socket-level I/O control calls. */
+#define FIOSETOWN 0x8901
+#define SIOCSPGRP 0x8902
+#define FIOGETOWN 0x8903
+#define SIOCGPGRP 0x8904
+#define SIOCATMARK 0x8905
+#define SIOCGSTAMP 0x8906 /* Get stamp */
+
+#endif /* _ASM_SOCKIOS__ */
+
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/spinlock.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/spinlock.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/spinlock.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/spinlock.h 2004-11-05 14:13:04.000000000 +0000
@@ -0,0 +1,17 @@
+/* spinlock.h: spinlocks for FR-V
+ *
+ * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@xxxxxxxxxx)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _ASM_SPINLOCK_H
+#define _ASM_SPINLOCK_H
+
+#error no spinlocks for FR-V yet
+
+#endif /* _ASM_SPINLOCK_H */
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/spr-regs.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/spr-regs.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/spr-regs.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/spr-regs.h 2004-11-05 14:13:04.238467480 +0000
@@ -0,0 +1,401 @@
+/* spr-regs.h: special-purpose registers on the FRV
+ *
+ * Copyright (C) 2003, 2004 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@xxxxxxxxxx)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _ASM_SPR_REGS_H
+#define _ASM_SPR_REGS_H
+
+/*
+ * PSR - Processor Status Register
+ */
+#define PSR_ET 0x00000001 /* enable interrupts/exceptions flag */
+#define PSR_PS 0x00000002 /* previous supervisor mode flag */
+#define PSR_S 0x00000004 /* supervisor mode flag */
+#define PSR_PIL 0x00000078 /* processor external interrupt level */
+#define PSR_PIL_0 0x00000000 /* - no interrupt in progress */
+#define PSR_PIL_13 0x00000068 /* - debugging only */
+#define PSR_PIL_14 0x00000070 /* - debugging in progress */
+#define PSR_PIL_15 0x00000078 /* - NMI in progress */
+#define PSR_EM 0x00000080 /* enable media operation */
+#define PSR_EF 0x00000100 /* enable FPU operation */
+#define PSR_BE 0x00001000 /* endianness mode */
+#define PSR_BE_LE 0x00000000 /* - little endian mode */
+#define PSR_BE_BE 0x00001000 /* - big endian mode */
+#define PSR_CM 0x00002000 /* conditional mode */
+#define PSR_NEM 0x00004000 /* non-excepting mode */
+#define PSR_ICE 0x00010000 /* in-circuit emulation mode */
+#define PSR_VERSION_SHIFT 24 /* CPU silicon ID */
+#define PSR_IMPLE_SHIFT 28 /* CPU core ID */
+
+#define PSR_VERSION(psr) (((psr) >> PSR_VERSION_SHIFT) & 0xf)
+#define PSR_IMPLE(psr) (((psr) >> PSR_IMPLE_SHIFT) & 0xf)
+
+#define PSR_IMPLE_FR401 0x2
+#define PSR_VERSION_FR401_MB93401 0x0
+#define PSR_VERSION_FR401_MB93401A 0x1
+#define PSR_VERSION_FR401_MB93403 0x2
+
+#define PSR_IMPLE_FR405 0x4
+#define PSR_VERSION_FR405_MB93405 0x0
+
+#define PSR_IMPLE_FR451 0x5
+#define PSR_VERSION_FR451_MB93451 0x0
+
+#define PSR_IMPLE_FR501 0x1
+#define PSR_VERSION_FR501_MB93501 0x1
+#define PSR_VERSION_FR501_MB93501A 0x2
+
+#define PSR_IMPLE_FR551 0x3
+#define PSR_VERSION_FR551_MB93555 0x1
+
+#define __get_PSR() ({ unsigned long x; asm volatile("movsg psr,%0" : "=r"(x)); x; })
+#define __set_PSR(V) do { asm volatile("movgs %0,psr" : : "r"(V)); } while(0)
+
+/*
+ * TBR - Trap Base Register
+ */
+#define TBR_TT 0x00000ff0
+#define TBR_TT_INSTR_MMU_MISS (0x01 << 4)
+#define TBR_TT_INSTR_ACC_ERROR (0x02 << 4)
+#define TBR_TT_INSTR_ACC_EXCEP (0x03 << 4)
+#define TBR_TT_PRIV_INSTR (0x06 << 4)
+#define TBR_TT_ILLEGAL_INSTR (0x07 << 4)
+#define TBR_TT_FP_EXCEPTION (0x0d << 4)
+#define TBR_TT_MP_EXCEPTION (0x0e << 4)
+#define TBR_TT_DATA_ACC_ERROR (0x11 << 4)
+#define TBR_TT_DATA_MMU_MISS (0x12 << 4)
+#define TBR_TT_DATA_ACC_EXCEP (0x13 << 4)
+#define TBR_TT_DATA_STR_ERROR (0x14 << 4)
+#define TBR_TT_DIVISION_EXCEP (0x17 << 4)
+#define TBR_TT_COMMIT_EXCEP (0x19 << 4)
+#define TBR_TT_INSTR_TLB_MISS (0x1a << 4)
+#define TBR_TT_DATA_TLB_MISS (0x1b << 4)
+#define TBR_TT_DATA_DAT_EXCEP (0x1d << 4)
+#define TBR_TT_DECREMENT_TIMER (0x1f << 4)
+#define TBR_TT_COMPOUND_EXCEP (0x20 << 4)
+#define TBR_TT_INTERRUPT_1 (0x21 << 4)
+#define TBR_TT_INTERRUPT_2 (0x22 << 4)
+#define TBR_TT_INTERRUPT_3 (0x23 << 4)
+#define TBR_TT_INTERRUPT_4 (0x24 << 4)
+#define TBR_TT_INTERRUPT_5 (0x25 << 4)
+#define TBR_TT_INTERRUPT_6 (0x26 << 4)
+#define TBR_TT_INTERRUPT_7 (0x27 << 4)
+#define TBR_TT_INTERRUPT_8 (0x28 << 4)
+#define TBR_TT_INTERRUPT_9 (0x29 << 4)
+#define TBR_TT_INTERRUPT_10 (0x2a << 4)
+#define TBR_TT_INTERRUPT_11 (0x2b << 4)
+#define TBR_TT_INTERRUPT_12 (0x2c << 4)
+#define TBR_TT_INTERRUPT_13 (0x2d << 4)
+#define TBR_TT_INTERRUPT_14 (0x2e << 4)
+#define TBR_TT_INTERRUPT_15 (0x2f << 4)
+#define TBR_TT_TRAP0 (0x80 << 4)
+#define TBR_TT_TRAP1 (0x81 << 4)
+#define TBR_TT_TRAP2 (0x82 << 4)
+#define TBR_TT_TRAP126 (0xfe << 4)
+#define TBR_TT_BREAK (0xff << 4)
+
+#define __get_TBR() ({ unsigned long x; asm volatile("movsg tbr,%0" : "=r"(x)); x; })
+
+/*
+ * HSR0 - Hardware Status Register 0
+ */
+#define HSR0_PDM 0x00000007 /* power down mode */
+#define HSR0_PDM_NORMAL 0x00000000 /* - normal mode */
+#define HSR0_PDM_CORE_SLEEP 0x00000001 /* - CPU core sleep mode */
+#define HSR0_PDM_BUS_SLEEP 0x00000003 /* - bus sleep mode */
+#define HSR0_PDM_PLL_RUN 0x00000005 /* - PLL run */
+#define HSR0_PDM_PLL_STOP 0x00000007 /* - PLL stop */
+#define HSR0_GRLE 0x00000040 /* GR lower register set enable */
+#define HSR0_GRHE 0x00000080 /* GR higher register set enable */
+#define HSR0_FRLE 0x00000100 /* FR lower register set enable */
+#define HSR0_FRHE 0x00000200 /* FR higher register set enable */
+#define HSR0_GRN 0x00000400 /* GR quantity */
+#define HSR0_GRN_64 0x00000000 /* - 64 GR registers */
+#define HSR0_GRN_32 0x00000400 /* - 32 GR registers */
+#define HSR0_FRN 0x00000800 /* FR quantity */
+#define HSR0_FRN_64 0x00000000 /* - 64 FR registers */
+#define HSR0_FRN_32 0x00000800 /* - 32 FR registers */
+#define HSR0_SA 0x00001000 /* start address (RAMBOOT#) */
+#define HSR0_ETMI 0x00008000 /* enable TIMERI (64-bit up timer) */
+#define HSR0_ETMD 0x00004000 /* enable TIMERD (32-bit down timer) */
+#define HSR0_PEDAT 0x00010000 /* previous DAT mode */
+#define HSR0_XEDAT 0x00020000 /* exception DAT mode */
+#define HSR0_EDAT 0x00080000 /* enable DAT mode */
+#define HSR0_RME 0x00400000 /* enable RAM mode */
+#define HSR0_EMEM 0x00800000 /* enable MMU_Miss mask */
+#define HSR0_EXMMU 0x01000000 /* enable extended MMU mode */
+#define HSR0_EDMMU 0x02000000 /* enable data MMU */
+#define HSR0_EIMMU 0x04000000 /* enable instruction MMU */
+#define HSR0_CBM 0x08000000 /* copy back mode */
+#define HSR0_CBM_WRITE_THRU 0x00000000 /* - write through */
+#define HSR0_CBM_COPY_BACK 0x08000000 /* - copy back */
+#define HSR0_NWA 0x10000000 /* no write allocate */
+#define HSR0_DCE 0x40000000 /* data cache enable */
+#define HSR0_ICE 0x80000000 /* instruction cache enable */
+
+#define __get_HSR(R) ({ unsigned long x; asm volatile("movsg hsr"#R",%0" : "=r"(x)); x; })
+#define __set_HSR(R,V) do { asm volatile("movgs %0,hsr"#R : : "r"(V)); } while(0)
+
+/*
+ * CCR - Condition Codes Register
+ */
+#define CCR_FCC0 0x0000000f /* FP/Media condition 0 (fcc0 reg) */
+#define CCR_FCC1 0x000000f0 /* FP/Media condition 1 (fcc1 reg) */
+#define CCR_FCC2 0x00000f00 /* FP/Media condition 2 (fcc2 reg) */
+#define CCR_FCC3 0x0000f000 /* FP/Media condition 3 (fcc3 reg) */
+#define CCR_ICC0 0x000f0000 /* Integer condition 0 (icc0 reg) */
+#define CCR_ICC0_C 0x00010000 /* - Carry flag */
+#define CCR_ICC0_V 0x00020000 /* - Overflow flag */
+#define CCR_ICC0_Z 0x00040000 /* - Zero flag */
+#define CCR_ICC0_N 0x00080000 /* - Negative flag */
+#define CCR_ICC1 0x00f00000 /* Integer condition 1 (icc1 reg) */
+#define CCR_ICC2 0x0f000000 /* Integer condition 2 (icc2 reg) */
+#define CCR_ICC3 0xf0000000 /* Integer condition 3 (icc3 reg) */
+
+/*
+ * CCCR - Condition Codes for Conditional Instructions Register
+ */
+#define CCCR_CC0 0x00000003 /* condition 0 (cc0 reg) */
+#define CCCR_CC0_FALSE 0x00000002 /* - condition is false */
+#define CCCR_CC0_TRUE 0x00000003 /* - condition is true */
+#define CCCR_CC1 0x0000000c /* condition 1 (cc1 reg) */
+#define CCCR_CC2 0x00000030 /* condition 2 (cc2 reg) */
+#define CCCR_CC3 0x000000c0 /* condition 3 (cc3 reg) */
+#define CCCR_CC4 0x00000300 /* condition 4 (cc4 reg) */
+#define CCCR_CC5 0x00000c00 /* condition 5 (cc5 reg) */
+#define CCCR_CC6 0x00003000 /* condition 6 (cc6 reg) */
+#define CCCR_CC7 0x0000c000 /* condition 7 (cc7 reg) */
+
+/*
+ * ISR - Integer Status Register
+ */
+#define ISR_EMAM 0x00000001 /* memory misaligned access handling */
+#define ISR_EMAM_EXCEPTION 0x00000000 /* - generate exception */
+#define ISR_EMAM_FUDGE 0x00000001 /* - mask out invalid address bits */
+#define ISR_AEXC 0x00000004 /* accrued [overflow] exception */
+#define ISR_DTT 0x00000018 /* division type trap */
+#define ISR_DTT_IGNORE 0x00000000 /* - ignore division error */
+#define ISR_DTT_DIVBYZERO 0x00000008 /* - generate exception */
+#define ISR_DTT_OVERFLOW 0x00000010 /* - record overflow */
+#define ISR_EDE 0x00000020 /* enable division exception */
+#define ISR_PLI 0x20000000 /* pre-load instruction information */
+#define ISR_QI 0x80000000 /* quad data implementation information */
+
+/*
+ * EPCR0 - Exception PC Register
+ */
+#define EPCR0_V 0x00000001 /* register content validity indicator */
+#define EPCR0_PC 0xfffffffc /* faulting instruction address */
+
+/*
+ * ESR0/14/15 - Exception Status Register
+ */
+#define ESRx_VALID 0x00000001 /* register content validity indicator */
+#define ESRx_EC 0x0000003e /* exception type */
+#define ESRx_EC_DATA_STORE 0x00000000 /* - data_store_error */
+#define ESRx_EC_INSN_ACCESS 0x00000006 /* - instruction_access_error */
+#define ESRx_EC_PRIV_INSN 0x00000008 /* - privileged_instruction */
+#define ESRx_EC_ILL_INSN 0x0000000a /* - illegal_instruction */
+#define ESRx_EC_MP_EXCEP 0x0000001c /* - mp_exception */
+#define ESRx_EC_DATA_ACCESS 0x00000024 /* - data_access_error */
+#define ESRx_EC_DIVISION 0x00000026 /* - division_exception */
+#define ESRx_EC_ITLB_MISS 0x00000034 /* - instruction_access_TLB_miss */
+#define ESRx_EC_DTLB_MISS 0x00000036 /* - data_access_TLB_miss */
+#define ESRx_EC_DATA_ACCESS_DAT 0x0000003a /* - data_access_DAT_exception */
+
+#define ESR0_IAEC 0x00000100 /* info for instruction-access-exception */
+#define ESR0_IAEC_RESV 0x00000000 /* - reserved */
+#define ESR0_IAEC_PROT_VIOL 0x00000100 /* - protection violation */
+
+#define ESR0_ATXC 0x00f00000 /* address translation exception code */
+#define ESR0_ATXC_MMU_MISS 0x00000000 /* - MMU miss exception and more (?) */
+#define ESR0_ATXC_MULTI_DAT 0x00800000 /* - multiple DAT entry hit */
+#define ESR0_ATXC_MULTI_SAT 0x00900000 /* - multiple SAT entry hit */
+#define ESR0_ATXC_AMRTLB_MISS 0x00a00000 /* - MMU/TLB miss exception */
+#define ESR0_ATXC_PRIV_EXCEP 0x00c00000 /* - privilege protection fault */
+#define ESR0_ATXC_WP_EXCEP 0x00d00000 /* - write protection fault */
+
+#define ESR0_EAV 0x00000800 /* true if EAR0 register valid */
+#define ESR15_EAV 0x00000800 /* true if EAR15 register valid */
+
+/*
+ * ESFR1 - Exception Status Valid Flag Register
+ */
+#define ESFR1_ESR0 0x00000001 /* true if ESR0 is valid */
+#define ESFR1_ESR14 0x00004000 /* true if ESR14 is valid */
+#define ESFR1_ESR15 0x00008000 /* true if ESR15 is valid */
+
+/*
+ * MSR - Media Status Register
+ */
+#define MSR0_AOVF 0x00000001 /* overflow exception accrued */
+#define MSRx_OVF 0x00000002 /* overflow exception detected */
+#define MSRx_SIE 0x0000003c /* last SIMD instruction exception detected */
+#define MSRx_SIE_NONE 0x00000000 /* - none detected */
+#define MSRx_SIE_FRkHI_ACCk 0x00000020 /* - exception at FRkHI or ACCk */
+#define MSRx_SIE_FRkLO_ACCk1 0x00000010 /* - exception at FRkLO or ACCk+1 */
+#define MSRx_SIE_FRk1HI_ACCk2 0x00000008 /* - exception at FRk+1HI or ACCk+2 */
+#define MSRx_SIE_FRk1LO_ACCk3 0x00000004 /* - exception at FRk+1LO or ACCk+3 */
+#define MSR0_MTT 0x00007000 /* type of last media trap detected */
+#define MSR0_MTT_NONE 0x00000000 /* - none detected */
+#define MSR0_MTT_OVERFLOW 0x00001000 /* - overflow detected */
+#define MSR0_HI 0x00c00000 /* hardware implementation */
+#define MSR0_HI_ROUNDING 0x00000000 /* - rounding mode */
+#define MSR0_HI_NONROUNDING 0x00c00000 /* - non-rounding mode */
+#define MSR0_EMCI 0x01000000 /* enable media custom instructions */
+#define MSR0_SRDAV 0x10000000 /* select rounding mode of MAVEH */
+#define MSR0_SRDAV_RDAV 0x00000000 /* - controlled by MSR.RDAV */
+#define MSR0_SRDAV_RD 0x10000000 /* - controlled by MSR.RD */
+#define MSR0_RDAV 0x20000000 /* rounding mode of MAVEH */
+#define MSR0_RDAV_NEAREST_MI 0x00000000 /* - round to nearest minus */
+#define MSR0_RDAV_NEAREST_PL 0x20000000 /* - round to nearest plus */
+#define MSR0_RD 0xc0000000 /* rounding mode */
+#define MSR0_RD_NEAREST 0x00000000 /* - nearest */
+#define MSR0_RD_ZERO 0x40000000 /* - zero */
+#define MSR0_RD_POS_INF 0x80000000 /* - postive infinity */
+#define MSR0_RD_NEG_INF 0xc0000000 /* - negative infinity */
+
+/*
+ * IAMPR0-7 - Instruction Address Mapping Register
+ * DAMPR0-7 - Data Address Mapping Register
+ */
+#define xAMPRx_V 0x00000001 /* register content validity indicator */
+#define DAMPRx_WP 0x00000002 /* write protect */
+#define DAMPRx_WP_RW 0x00000000 /* - read/write */
+#define DAMPRx_WP_RO 0x00000002 /* - read-only */
+#define xAMPRx_C 0x00000004 /* cached/uncached */
+#define xAMPRx_C_CACHED 0x00000000 /* - cached */
+#define xAMPRx_C_UNCACHED 0x00000004 /* - uncached */
+#define xAMPRx_S 0x00000008 /* supervisor only */
+#define xAMPRx_S_USER 0x00000000 /* - userspace can access */
+#define xAMPRx_S_KERNEL 0x00000008 /* - kernel only */
+#define xAMPRx_SS 0x000000f0 /* segment size */
+#define xAMPRx_SS_16Kb 0x00000000 /* - 16 kilobytes */
+#define xAMPRx_SS_64Kb 0x00000010 /* - 64 kilobytes */
+#define xAMPRx_SS_256Kb 0x00000020 /* - 256 kilobytes */
+#define xAMPRx_SS_1Mb 0x00000030 /* - 1 megabyte */
+#define xAMPRx_SS_2Mb 0x00000040 /* - 2 megabytes */
+#define xAMPRx_SS_4Mb 0x00000050 /* - 4 megabytes */
+#define xAMPRx_SS_8Mb 0x00000060 /* - 8 megabytes */
+#define xAMPRx_SS_16Mb 0x00000070 /* - 16 megabytes */
+#define xAMPRx_SS_32Mb 0x00000080 /* - 32 megabytes */
+#define xAMPRx_SS_64Mb 0x00000090 /* - 64 megabytes */
+#define xAMPRx_SS_128Mb 0x000000a0 /* - 128 megabytes */
+#define xAMPRx_SS_256Mb 0x000000b0 /* - 256 megabytes */
+#define xAMPRx_SS_512Mb 0x000000c0 /* - 512 megabytes */
+#define xAMPRx_RESERVED8 0x00000100 /* reserved bit */
+#define xAMPRx_NG 0x00000200 /* non-global */
+#define xAMPRx_L 0x00000400 /* locked */
+#define xAMPRx_M 0x00000800 /* modified */
+#define xAMPRx_D 0x00001000 /* DAT entry */
+#define xAMPRx_RESERVED13 0x00002000 /* reserved bit */
+#define xAMPRx_PPFN 0xfff00000 /* physical page frame number */
+
+#define xAMPRx_V_BIT 0
+#define DAMPRx_WP_BIT 1
+#define xAMPRx_C_BIT 2
+#define xAMPRx_S_BIT 3
+#define xAMPRx_RESERVED8_BIT 8
+#define xAMPRx_NG_BIT 9
+#define xAMPRx_L_BIT 10
+#define xAMPRx_M_BIT 11
+#define xAMPRx_D_BIT 12
+#define xAMPRx_RESERVED13_BIT 13
+
+#define __get_IAMPR(R) ({ unsigned long x; asm volatile("movsg iampr"#R",%0" : "=r"(x)); x; })
+#define __get_DAMPR(R) ({ unsigned long x; asm volatile("movsg dampr"#R",%0" : "=r"(x)); x; })
+
+#define __get_IAMLR(R) ({ unsigned long x; asm volatile("movsg iamlr"#R",%0" : "=r"(x)); x; })
+#define __get_DAMLR(R) ({ unsigned long x; asm volatile("movsg damlr"#R",%0" : "=r"(x)); x; })
+
+#define __set_IAMPR(R,V) do { asm volatile("movgs %0,iampr"#R : : "r"(V)); } while(0)
+#define __set_DAMPR(R,V) do { asm volatile("movgs %0,dampr"#R : : "r"(V)); } while(0)
+
+#define __set_IAMLR(R,V) do { asm volatile("movgs %0,iamlr"#R : : "r"(V)); } while(0)
+#define __set_DAMLR(R,V) do { asm volatile("movgs %0,damlr"#R : : "r"(V)); } while(0)
+
+#define save_dampr(R, _dampr) \
+do { \
+ asm volatile("movsg dampr"R",%0" : "=r"(_dampr)); \
+} while(0)
+
+#define restore_dampr(R, _dampr) \
+do { \
+ asm volatile("movgs %0,dampr"R :: "r"(_dampr)); \
+} while(0)
+
+/*
+ * AMCR - Address Mapping Control Register
+ */
+#define AMCR_IAMRN 0x000000ff /* quantity of IAMPR registers */
+#define AMCR_DAMRN 0x0000ff00 /* quantity of DAMPR registers */
+
+/*
+ * TTBR - Address Translation Table Base Register
+ */
+#define __get_TTBR() ({ unsigned long x; asm volatile("movsg ttbr,%0" : "=r"(x)); x; })
+
+/*
+ * TPXR - TLB Probe Extend Register
+ */
+#define TPXR_E 0x00000001
+#define TPXR_LMAX_SHIFT 20
+#define TPXR_LMAX_SMASK 0xf
+#define TPXR_WMAX_SHIFT 24
+#define TPXR_WMAX_SMASK 0xf
+#define TPXR_WAY_SHIFT 28
+#define TPXR_WAY_SMASK 0xf
+
+/*
+ * DCR - Debug Control Register
+ */
+#define DCR_IBCE3 0x00000001 /* break on conditional insn pointed to by IBAR3 */
+#define DCR_IBE3 0x00000002 /* break on insn pointed to by IBAR3 */
+#define DCR_IBCE1 0x00000004 /* break on conditional insn pointed to by IBAR2 */
+#define DCR_IBE1 0x00000008 /* break on insn pointed to by IBAR2 */
+#define DCR_IBCE2 0x00000010 /* break on conditional insn pointed to by IBAR1 */
+#define DCR_IBE2 0x00000020 /* break on insn pointed to by IBAR1 */
+#define DCR_IBCE0 0x00000040 /* break on conditional insn pointed to by IBAR0 */
+#define DCR_IBE0 0x00000080 /* break on insn pointed to by IBAR0 */
+
+#define DCR_DDBE1 0x00004000 /* use DBDR1x when checking DBAR1 */
+#define DCR_DWBE1 0x00008000 /* break on store to address in DBAR1/DBMR1x */
+#define DCR_DRBE1 0x00010000 /* break on load from address in DBAR1/DBMR1x */
+#define DCR_DDBE0 0x00020000 /* use DBDR0x when checking DBAR0 */
+#define DCR_DWBE0 0x00040000 /* break on store to address in DBAR0/DBMR0x */
+#define DCR_DRBE0 0x00080000 /* break on load from address in DBAR0/DBMR0x */
+
+#define DCR_EIM 0x0c000000 /* external interrupt disable */
+#define DCR_IBM 0x10000000 /* instruction break disable */
+#define DCR_SE 0x20000000 /* single step enable */
+#define DCR_EBE 0x40000000 /* exception break enable */
+
+/*
+ * BRR - Break Interrupt Request Register
+ */
+#define BRR_ST 0x00000001 /* single-step detected */
+#define BRR_SB 0x00000002 /* break instruction detected */
+#define BRR_BB 0x00000004 /* branch with hint detected */
+#define BRR_CBB 0x00000008 /* branch to LR detected */
+#define BRR_IBx 0x000000f0 /* hardware breakpoint detected */
+#define BRR_DBx 0x00000f00 /* hardware watchpoint detected */
+#define BRR_DBNEx 0x0000f000 /* ? */
+#define BRR_EBTT 0x00ff0000 /* trap type of exception break */
+#define BRR_TB 0x10000000 /* external break request detected */
+#define BRR_CB 0x20000000 /* ICE break command detected */
+#define BRR_EB 0x40000000 /* exception break detected */
+
+/*
+ * BPSR - Break PSR Save Register
+ */
+#define BPSR_BET 0x00000001 /* former PSR.ET */
+#define BPSR_BS 0x00001000 /* former PSR.S */
+
+#endif /* _ASM_SPR_REGS_H */
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/statfs.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/statfs.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/statfs.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/statfs.h 2004-11-05 14:13:04.242467142 +0000
@@ -0,0 +1,7 @@
+#ifndef _ASM_STATFS_H
+#define _ASM_STATFS_H
+
+#include <asm-generic/statfs.h>
+
+#endif /* _ASM_STATFS_H */
+
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/stat.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/stat.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/stat.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/stat.h 2004-11-05 14:13:04.246466805 +0000
@@ -0,0 +1,100 @@
+#ifndef _ASM_STAT_H
+#define _ASM_STAT_H
+
+struct __old_kernel_stat {
+ unsigned short st_dev;
+ unsigned short st_ino;
+ unsigned short st_mode;
+ unsigned short st_nlink;
+ unsigned short st_uid;
+ unsigned short st_gid;
+ unsigned short st_rdev;
+ unsigned long st_size;
+ unsigned long st_atime;
+ unsigned long st_mtime;
+ unsigned long st_ctime;
+};
+
+/* This matches struct stat in uClibc/glibc. */
+struct stat {
+ unsigned char __pad1[6];
+ unsigned short st_dev;
+
+ unsigned long __pad2;
+ unsigned long st_ino;
+
+ unsigned short __pad3;
+ unsigned short st_mode;
+ unsigned short __pad4;
+ unsigned short st_nlink;
+
+ unsigned short __pad5;
+ unsigned short st_uid;
+ unsigned short __pad6;
+ unsigned short st_gid;
+
+ unsigned char __pad7[6];
+ unsigned short st_rdev;
+
+ unsigned long __pad8;
+ unsigned long st_size;
+
+ unsigned long __pad9; /* align 64-bit st_blocks to 2-word */
+ unsigned long st_blksize;
+
+ unsigned long __pad10; /* future possible st_blocks high bits */
+ unsigned long st_blocks; /* Number 512-byte blocks allocated. */
+
+ unsigned long __unused1;
+ unsigned long st_atime;
+
+ unsigned long __unused2;
+ unsigned long st_mtime;
+
+ unsigned long __unused3;
+ unsigned long st_ctime;
+
+ unsigned long long __unused4;
+};
+
+/* This matches struct stat64 in uClibc/glibc. The layout is exactly
+ the same as that of struct stat above, with 64-bit types taking up
+ space that was formerly used by padding. stat syscalls are still
+ different from stat64, though, in that the former tests for
+ overflow. */
+struct stat64 {
+ unsigned char __pad1[6];
+ unsigned short st_dev;
+
+ unsigned long long st_ino;
+
+ unsigned int st_mode;
+ unsigned int st_nlink;
+
+ unsigned long st_uid;
+ unsigned long st_gid;
+
+ unsigned char __pad2[6];
+ unsigned short st_rdev;
+
+ long long st_size;
+
+ unsigned long __pad3; /* align 64-bit st_blocks to 2-word */
+ unsigned long st_blksize;
+
+ unsigned long __pad4; /* future possible st_blocks high bits */
+ unsigned long st_blocks; /* Number 512-byte blocks allocated. */
+
+ unsigned long st_atime_nsec;
+ unsigned long st_atime;
+
+ unsigned int st_mtime_nsec;
+ unsigned long st_mtime;
+
+ unsigned long st_ctime_nsec;
+ unsigned long st_ctime;
+
+ unsigned long long __unused4;
+};
+
+#endif /* _ASM_STAT_H */
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/string.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/string.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/string.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/string.h 2004-11-05 14:13:04.250466467 +0000
@@ -0,0 +1,51 @@
+/* string.h: FRV string handling
+ *
+ * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@xxxxxxxxxx)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _ASM_STRING_H_
+#define _ASM_STRING_H_
+
+#ifdef __KERNEL__ /* only set these up for kernel code */
+
+#define __HAVE_ARCH_MEMSET 1
+#define __HAVE_ARCH_MEMCPY 1
+
+extern void *memset(void *, int, __kernel_size_t);
+extern void *memcpy(void *, const void *, __kernel_size_t);
+
+#else /* KERNEL */
+
+/*
+ * let user libraries deal with these,
+ * IMHO the kernel has no place defining these functions for user apps
+ */
+
+#define __HAVE_ARCH_STRCPY 1
+#define __HAVE_ARCH_STRNCPY 1
+#define __HAVE_ARCH_STRCAT 1
+#define __HAVE_ARCH_STRNCAT 1
+#define __HAVE_ARCH_STRCMP 1
+#define __HAVE_ARCH_STRNCMP 1
+#define __HAVE_ARCH_STRNICMP 1
+#define __HAVE_ARCH_STRCHR 1
+#define __HAVE_ARCH_STRRCHR 1
+#define __HAVE_ARCH_STRSTR 1
+#define __HAVE_ARCH_STRLEN 1
+#define __HAVE_ARCH_STRNLEN 1
+#define __HAVE_ARCH_MEMSET 1
+#define __HAVE_ARCH_MEMCPY 1
+#define __HAVE_ARCH_MEMMOVE 1
+#define __HAVE_ARCH_MEMSCAN 1
+#define __HAVE_ARCH_MEMCMP 1
+#define __HAVE_ARCH_MEMCHR 1
+#define __HAVE_ARCH_STRTOK 1
+
+#endif /* KERNEL */
+#endif /* _ASM_STRING_H_ */
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/suspend.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/suspend.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/suspend.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/suspend.h 2004-11-05 14:13:04.254466129 +0000
@@ -0,0 +1,20 @@
+/* suspend.h: suspension stuff
+ *
+ * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@xxxxxxxxxx)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _ASM_SUSPEND_H
+#define _ASM_SUSPEND_H
+
+static inline int arch_prepare_suspend(void)
+{
+ return 0;
+}
+
+#endif /* _ASM_SUSPEND_H */
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/system.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/system.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/system.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/system.h 2004-11-05 14:13:04.259465707 +0000
@@ -0,0 +1,123 @@
+/* system.h: FR-V CPU control definitions
+ *
+ * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@xxxxxxxxxx)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _ASM_SYSTEM_H
+#define _ASM_SYSTEM_H
+
+#include <linux/config.h> /* get configuration macros */
+#include <linux/linkage.h>
+#include <asm/atomic.h>
+
+struct thread_struct;
+
+#define prepare_to_switch() do { } while(0)
+
+/*
+ * switch_to(prev, next) should switch from task `prev' to `next'
+ * `prev' will never be the same as `next'.
+ * The `mb' is to tell GCC not to cache `current' across this call.
+ */
+extern asmlinkage
+void __switch_to(struct thread_struct *prev, struct thread_struct *next);
+
+#define switch_to(prev, next, last) \
+do { \
+ prev->thread.sched_lr = (unsigned long) __builtin_return_address(0); \
+ __switch_to(&prev->thread, &next->thread); \
+ mb(); \
+} while(0)
+
+/*
+ * interrupt flag manipulation
+ */
+#define local_irq_disable() \
+do { \
+ unsigned long psr; \
+ asm volatile(" movsg psr,%0 \n" \
+ " andi %0,%2,%0 \n" \
+ " ori %0,%1,%0 \n" \
+ " movgs %0,psr \n" \
+ : "=r"(psr) \
+ : "i" (PSR_PIL_14), "i" (~PSR_PIL) \
+ : "memory"); \
+} while(0)
+
+#define local_irq_enable() \
+do { \
+ unsigned long psr; \
+ asm volatile(" movsg psr,%0 \n" \
+ " andi %0,%1,%0 \n" \
+ " movgs %0,psr \n" \
+ : "=r"(psr) \
+ : "i" (~PSR_PIL) \
+ : "memory"); \
+} while(0)
+
+#define local_save_flags(flags) \
+do { \
+ typecheck(unsigned long, flags); \
+ asm("movsg psr,%0" \
+ : "=r"(flags) \
+ : \
+ : "memory"); \
+} while(0)
+
+#define local_irq_save(flags) \
+do { \
+ unsigned long npsr; \
+ typecheck(unsigned long, flags); \
+ asm volatile(" movsg psr,%0 \n" \
+ " andi %0,%3,%1 \n" \
+ " ori %1,%2,%1 \n" \
+ " movgs %1,psr \n" \
+ : "=r"(flags), "=r"(npsr) \
+ : "i" (PSR_PIL_14), "i" (~PSR_PIL) \
+ : "memory"); \
+} while(0)
+
+#define local_irq_restore(flags) \
+do { \
+ typecheck(unsigned long, flags); \
+ asm volatile(" movgs %0,psr \n" \
+ : \
+ : "r" (flags) \
+ : "memory"); \
+} while(0)
+
+#define irqs_disabled() \
+ ((__get_PSR() & PSR_PIL) >= PSR_PIL_14)
+
+/*
+ * Force strict CPU ordering.
+ */
+#define nop() asm volatile ("nop"::)
+#define mb() asm volatile ("membar" : : :"memory")
+#define rmb() asm volatile ("membar" : : :"memory")
+#define wmb() asm volatile ("membar" : : :"memory")
+#define set_mb(var, value) do { var = value; mb(); } while (0)
+#define set_wmb(var, value) do { var = value; wmb(); } while (0)
+
+#define smp_mb() mb()
+#define smp_rmb() rmb()
+#define smp_wmb() wmb()
+
+#define read_barrier_depends() do {} while(0)
+#define smp_read_barrier_depends() read_barrier_depends()
+
+#define HARD_RESET_NOW() \
+do { \
+ cli(); \
+} while(1)
+
+extern void die_if_kernel(const char *, ...) __attribute__((format(printf, 1, 2)));
+extern void free_initmem(void);
+
+#endif /* _ASM_SYSTEM_H */
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/termbits.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/termbits.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/termbits.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/termbits.h 2004-11-05 16:11:21.023484003 +0000
@@ -0,0 +1,177 @@
+#ifndef _ASM_TERMBITS_H__
+#define _ASM_TERMBITS_H__
+
+#include <linux/posix_types.h>
+
+typedef unsigned char cc_t;
+typedef unsigned int speed_t;
+typedef unsigned int tcflag_t;
+
+#define NCCS 19
+struct termios {
+ tcflag_t c_iflag; /* input mode flags */
+ tcflag_t c_oflag; /* output mode flags */
+ tcflag_t c_cflag; /* control mode flags */
+ tcflag_t c_lflag; /* local mode flags */
+ cc_t c_line; /* line discipline */
+ cc_t c_cc[NCCS]; /* control characters */
+};
+
+/* c_cc characters */
+#define VINTR 0
+#define VQUIT 1
+#define VERASE 2
+#define VKILL 3
+#define VEOF 4
+#define VTIME 5
+#define VMIN 6
+#define VSWTC 7
+#define VSTART 8
+#define VSTOP 9
+#define VSUSP 10
+#define VEOL 11
+#define VREPRINT 12
+#define VDISCARD 13
+#define VWERASE 14
+#define VLNEXT 15
+#define VEOL2 16
+
+
+/* c_iflag bits */
+#define IGNBRK 0000001
+#define BRKINT 0000002
+#define IGNPAR 0000004
+#define PARMRK 0000010
+#define INPCK 0000020
+#define ISTRIP 0000040
+#define INLCR 0000100
+#define IGNCR 0000200
+#define ICRNL 0000400
+#define IUCLC 0001000
+#define IXON 0002000
+#define IXANY 0004000
+#define IXOFF 0010000
+#define IMAXBEL 0020000
+#define IUTF8 0040000
+
+/* c_oflag bits */
+#define OPOST 0000001
+#define OLCUC 0000002
+#define ONLCR 0000004
+#define OCRNL 0000010
+#define ONOCR 0000020
+#define ONLRET 0000040
+#define OFILL 0000100
+#define OFDEL 0000200
+#define NLDLY 0000400
+#define NL0 0000000
+#define NL1 0000400
+#define CRDLY 0003000
+#define CR0 0000000
+#define CR1 0001000
+#define CR2 0002000
+#define CR3 0003000
+#define TABDLY 0014000
+#define TAB0 0000000
+#define TAB1 0004000
+#define TAB2 0010000
+#define TAB3 0014000
+#define XTABS 0014000
+#define BSDLY 0020000
+#define BS0 0000000
+#define BS1 0020000
+#define VTDLY 0040000
+#define VT0 0000000
+#define VT1 0040000
+#define FFDLY 0100000
+#define FF0 0000000
+#define FF1 0100000
+
+/* c_cflag bit meaning */
+#define CBAUD 0010017
+#define B0 0000000 /* hang up */
+#define B50 0000001
+#define B75 0000002
+#define B110 0000003
+#define B134 0000004
+#define B150 0000005
+#define B200 0000006
+#define B300 0000007
+#define B600 0000010
+#define B1200 0000011
+#define B1800 0000012
+#define B2400 0000013
+#define B4800 0000014
+#define B9600 0000015
+#define B19200 0000016
+#define B38400 0000017
+#define EXTA B19200
+#define EXTB B38400
+#define CSIZE 0000060
+#define CS5 0000000
+#define CS6 0000020
+#define CS7 0000040
+#define CS8 0000060
+#define CSTOPB 0000100
+#define CREAD 0000200
+#define PARENB 0000400
+#define PARODD 0001000
+#define HUPCL 0002000
+#define CLOCAL 0004000
+#define CBAUDEX 0010000
+#define B57600 0010001
+#define B115200 0010002
+#define B230400 0010003
+#define B460800 0010004
+#define B500000 0010005
+#define B576000 0010006
+#define B921600 0010007
+#define B1000000 0010010
+#define B1152000 0010011
+#define B1500000 0010012
+#define B2000000 0010013
+#define B2500000 0010014
+#define B3000000 0010015
+#define B3500000 0010016
+#define B4000000 0010017
+#define CIBAUD 002003600000 /* input baud rate (not used) */
+#define CTVB 004000000000 /* VisioBraille Terminal flow control */
+#define CMSPAR 010000000000 /* mark or space (stick) parity */
+#define CRTSCTS 020000000000 /* flow control */
+
+/* c_lflag bits */
+#define ISIG 0000001
+#define ICANON 0000002
+#define XCASE 0000004
+#define ECHO 0000010
+#define ECHOE 0000020
+#define ECHOK 0000040
+#define ECHONL 0000100
+#define NOFLSH 0000200
+#define TOSTOP 0000400
+#define ECHOCTL 0001000
+#define ECHOPRT 0002000
+#define ECHOKE 0004000
+#define FLUSHO 0010000
+#define PENDIN 0040000
+#define IEXTEN 0100000
+
+
+/* tcflow() and TCXONC use these */
+#define TCOOFF 0
+#define TCOON 1
+#define TCIOFF 2
+#define TCION 3
+
+/* tcflush() and TCFLSH use these */
+#define TCIFLUSH 0
+#define TCOFLUSH 1
+#define TCIOFLUSH 2
+
+/* tcsetattr uses these */
+#define TCSANOW 0
+#define TCSADRAIN 1
+#define TCSAFLUSH 2
+
+#endif /* _ASM_TERMBITS_H__ */
+
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/termios.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/termios.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/termios.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/termios.h 2004-11-05 14:13:04.267465031 +0000
@@ -0,0 +1,74 @@
+#ifndef _ASM_TERMIOS_H
+#define _ASM_TERMIOS_H
+
+#include <asm/termbits.h>
+#include <asm/ioctls.h>
+
+struct winsize {
+ unsigned short ws_row;
+ unsigned short ws_col;
+ unsigned short ws_xpixel;
+ unsigned short ws_ypixel;
+};
+
+#define NCC 8
+struct termio {
+ unsigned short c_iflag; /* input mode flags */
+ unsigned short c_oflag; /* output mode flags */
+ unsigned short c_cflag; /* control mode flags */
+ unsigned short c_lflag; /* local mode flags */
+ unsigned char c_line; /* line discipline */
+ unsigned char c_cc[NCC]; /* control characters */
+};
+
+#ifdef __KERNEL__
+/* intr=^C quit=^| erase=del kill=^U
+ eof=^D vtime=\0 vmin=\1 sxtc=\0
+ start=^Q stop=^S susp=^Z eol=\0
+ reprint=^R discard=^U werase=^W lnext=^V
+ eol2=\0
+*/
+#define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0"
+#endif
+
+/* modem lines */
+#define TIOCM_LE 0x001
+#define TIOCM_DTR 0x002
+#define TIOCM_RTS 0x004
+#define TIOCM_ST 0x008
+#define TIOCM_SR 0x010
+#define TIOCM_CTS 0x020
+#define TIOCM_CAR 0x040
+#define TIOCM_RNG 0x080
+#define TIOCM_DSR 0x100
+#define TIOCM_CD TIOCM_CAR
+#define TIOCM_RI TIOCM_RNG
+#define TIOCM_OUT1 0x2000
+#define TIOCM_OUT2 0x4000
+#define TIOCM_LOOP 0x8000
+
+#define TIOCM_MODEM_BITS TIOCM_OUT2 /* IRDA support */
+
+/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
+
+/* line disciplines */
+#define N_TTY 0
+#define N_SLIP 1
+#define N_MOUSE 2
+#define N_PPP 3
+#define N_STRIP 4
+#define N_AX25 5
+#define N_X25 6 /* X.25 async */
+#define N_6PACK 7
+#define N_MASC 8 /* Reserved for Mobitex module <kaz@xxxxxxxx> */
+#define N_R3964 9 /* Reserved for Simatic R3964 module */
+#define N_PROFIBUS_FDL 10 /* Reserved for Profibus <Dave@xxxxxxxx> */
+#define N_IRDA 11 /* Linux IrDa - http://irda.sourceforge.net/ */
+#define N_SMSBLOCK 12 /* SMS block mode - for talking to GSM data cards about SMS messages */
+#define N_HDLC 13 /* synchronous HDLC */
+#define N_SYNC_PPP 14
+#define N_HCI 15 /* Bluetooth HCI UART */
+
+#include <asm-generic/termios.h>
+
+#endif /* _ASM_TERMIOS_H */
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/thread_info.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/thread_info.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/thread_info.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/thread_info.h 2004-11-05 14:13:04.272464609 +0000
@@ -0,0 +1,158 @@
+/* thread_info.h: description
+ *
+ * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@xxxxxxxxxx)
+ * Derived from include/asm-i386/thread_info.h
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _ASM_THREAD_INFO_H
+#define _ASM_THREAD_INFO_H
+
+#ifdef __KERNEL__
+
+#ifndef __ASSEMBLY__
+#include <asm/processor.h>
+#endif
+
+/*
+ * low level task data that entry.S needs immediate access to
+ * - this struct should fit entirely inside of one cache line
+ * - this struct shares the supervisor stack pages
+ * - if the contents of this structure are changed, the assembly constants must also be changed
+ */
+#ifndef __ASSEMBLY__
+
+struct thread_info {
+ struct task_struct *task; /* main task structure */
+ struct exec_domain *exec_domain; /* execution domain */
+ unsigned long flags; /* low level flags */
+ unsigned long status; /* thread-synchronous flags */
+ __u32 cpu; /* current CPU */
+ __s32 preempt_count; /* 0 => preemptable, <0 => BUG */
+
+ mm_segment_t addr_limit; /* thread address space:
+ 0-0xBFFFFFFF for user-thead
+ 0-0xFFFFFFFF for kernel-thread
+ */
+ struct restart_block restart_block;
+
+ __u8 supervisor_stack[0];
+};
+
+#else /* !__ASSEMBLY__ */
+
+/* offsets into the thread_info struct for assembly code access */
+#define TI_TASK 0x00000000
+#define TI_EXEC_DOMAIN 0x00000004
+#define TI_FLAGS 0x00000008
+#define TI_STATUS 0x0000000C
+#define TI_CPU 0x00000010
+#define TI_PRE_COUNT 0x00000014
+#define TI_ADDR_LIMIT 0x00000018
+#define TI_RESTART_BLOCK 0x0000001C
+
+#endif
+
+#define PREEMPT_ACTIVE 0x4000000
+
+/*
+ * macros/functions for gaining access to the thread information structure
+ *
+ * preempt_count needs to be 1 initially, until the scheduler is functional.
+ */
+#ifndef __ASSEMBLY__
+
+#define INIT_THREAD_INFO(tsk) \
+{ \
+ .task = &tsk, \
+ .exec_domain = &default_exec_domain, \
+ .flags = 0, \
+ .cpu = 0, \
+ .preempt_count = 1, \
+ .addr_limit = KERNEL_DS, \
+ .restart_block = { \
+ .fn = do_no_restart_syscall, \
+ }, \
+}
+
+#define init_thread_info (init_thread_union.thread_info)
+#define init_stack (init_thread_union.stack)
+
+#ifdef CONFIG_SMALL_TASKS
+#define THREAD_SIZE 4096
+#else
+#define THREAD_SIZE 8192
+#endif
+
+/* how to get the thread information struct from C */
+register struct thread_info *__current_thread_info asm("gr15");
+
+#define current_thread_info() ({ __current_thread_info; })
+
+/* thread information allocation */
+#ifdef CONFIG_DEBUG_STACK_USAGE
+#define alloc_thread_info(tsk) \
+ ({ \
+ struct thread_info *ret; \
+ \
+ ret = kmalloc(THREAD_SIZE, GFP_KERNEL); \
+ if (ret) \
+ memset(ret, 0, THREAD_SIZE); \
+ ret; \
+ })
+#else
+#define alloc_thread_info(tsk) kmalloc(THREAD_SIZE, GFP_KERNEL)
+#endif
+
+#define free_thread_info(info) kfree(info)
+#define get_thread_info(ti) get_task_struct((ti)->task)
+#define put_thread_info(ti) put_task_struct((ti)->task)
+
+#else /* !__ASSEMBLY__ */
+
+#define THREAD_SIZE 8192
+
+#endif
+
+/*
+ * thread information flags
+ * - these are process state flags that various assembly files may need to access
+ * - pending work-to-be-done flags are in LSW
+ * - other flags in MSW
+ */
+#define TIF_SYSCALL_TRACE 0 /* syscall trace active */
+#define TIF_NOTIFY_RESUME 1 /* resumption notification requested */
+#define TIF_SIGPENDING 2 /* signal pending */
+#define TIF_NEED_RESCHED 3 /* rescheduling necessary */
+#define TIF_SINGLESTEP 4 /* restore singlestep on return to user mode */
+#define TIF_IRET 5 /* return with iret */
+#define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling TIF_NEED_RESCHED */
+
+#define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE)
+#define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME)
+#define _TIF_SIGPENDING (1 << TIF_SIGPENDING)
+#define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED)
+#define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP)
+#define _TIF_IRET (1 << TIF_IRET)
+#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG)
+
+#define _TIF_WORK_MASK 0x0000FFFE /* work to do on interrupt/exception return */
+#define _TIF_ALLWORK_MASK 0x0000FFFF /* work to do on any return to u-space */
+
+/*
+ * Thread-synchronous status.
+ *
+ * This is different from the flags in that nobody else
+ * ever touches our thread-synchronous status, so we don't
+ * have to worry about atomic accesses.
+ */
+#define TS_USEDFPM 0x0001 /* FPU/Media was used by this task this quantum (SMP) */
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_THREAD_INFO_H */
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/timer-regs.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/timer-regs.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/timer-regs.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/timer-regs.h 2004-11-05 14:13:04.276464271 +0000
@@ -0,0 +1,106 @@
+/* timer-regs.h: hardware timer register definitions
+ *
+ * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@xxxxxxxxxx)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _ASM_TIMER_REGS_H
+#define _ASM_TIMER_REGS_H
+
+#include <asm/sections.h>
+
+extern unsigned long __nongprelbss __clkin_clock_speed_HZ;
+extern unsigned long __nongprelbss __ext_bus_clock_speed_HZ;
+extern unsigned long __nongprelbss __res_bus_clock_speed_HZ;
+extern unsigned long __nongprelbss __sdram_clock_speed_HZ;
+extern unsigned long __nongprelbss __core_bus_clock_speed_HZ;
+extern unsigned long __nongprelbss __core_clock_speed_HZ;
+extern unsigned long __nongprelbss __dsu_clock_speed_HZ;
+extern unsigned long __nongprelbss __serial_clock_speed_HZ;
+
+#define __get_CLKC() ({ *(volatile unsigned long *)(0xfeff9a00); })
+
+static inline void __set_CLKC(unsigned long v)
+{
+ int tmp;
+
+ asm volatile(" st%I0.p %2,%M0 \n"
+ " setlos %3,%1 \n"
+ " membar \n"
+ "0: \n"
+ " subicc %1,#1,%1,icc0 \n"
+ " bnc icc0,#1,0b \n"
+ : "=m"(*(volatile unsigned long *) 0xfeff9a00), "=r"(tmp)
+ : "r"(v), "i"(256)
+ : "icc0");
+}
+
+#define __get_TCTR() ({ *(volatile unsigned long *)(0xfeff9418); })
+#define __get_TPRV() ({ *(volatile unsigned long *)(0xfeff9420); })
+#define __get_TPRCKSL() ({ *(volatile unsigned long *)(0xfeff9428); })
+#define __get_TCSR(T) ({ *(volatile unsigned long *)(0xfeff9400 + 8 * (T)); })
+#define __get_TxCKSL(T) ({ *(volatile unsigned long *)(0xfeff9430 + 8 * (T)); })
+
+#define __get_TCSR_DATA(T) ({ __get_TCSR(T) >> 24; })
+
+#define __set_TCTR(V) do { *(volatile unsigned long *)(0xfeff9418) = (V); mb(); } while(0)
+#define __set_TPRV(V) do { *(volatile unsigned long *)(0xfeff9420) = (V) << 24; mb(); } while(0)
+#define __set_TPRCKSL(V) do { *(volatile unsigned long *)(0xfeff9428) = (V); mb(); } while(0)
+#define __set_TCSR(T,V) \
+do { *(volatile unsigned long *)(0xfeff9400 + 8 * (T)) = (V); mb(); } while(0)
+
+#define __set_TxCKSL(T,V) \
+do { *(volatile unsigned long *)(0xfeff9430 + 8 * (T)) = (V); mb(); } while(0)
+
+#define __set_TCSR_DATA(T,V) __set_TCSR(T, (V) << 24)
+#define __set_TxCKSL_DATA(T,V) __set_TxCKSL(T, TxCKSL_EIGHT | __TxCKSL_SELECT((V)))
+
+/* clock control register */
+#define CLKC_CMODE 0x0f000000
+#define CLKC_SLPL 0x000f0000
+#define CLKC_P0 0x00000100
+#define CLKC_CM 0x00000003
+
+#define CLKC_CMODE_s 24
+
+/* timer control register - non-readback mode */
+#define TCTR_MODE_0 0x00000000
+#define TCTR_MODE_2 0x04000000
+#define TCTR_MODE_4 0x08000000
+#define TCTR_MODE_5 0x0a000000
+#define TCTR_RL_LATCH 0x00000000
+#define TCTR_RL_RW_LOW8 0x10000000
+#define TCTR_RL_RW_HIGH8 0x20000000
+#define TCTR_RL_RW_LH8 0x30000000
+#define TCTR_SC_CTR0 0x00000000
+#define TCTR_SC_CTR1 0x40000000
+#define TCTR_SC_CTR2 0x80000000
+
+/* timer control register - readback mode */
+#define TCTR_CNT0 0x02000000
+#define TCTR_CNT1 0x04000000
+#define TCTR_CNT2 0x08000000
+#define TCTR_NSTATUS 0x10000000
+#define TCTR_NCOUNT 0x20000000
+#define TCTR_SC_READBACK 0xc0000000
+
+/* timer control status registers - non-readback mode */
+#define TCSRx_DATA 0xff000000
+
+/* timer control status registers - readback mode */
+#define TCSRx_OUTPUT 0x80000000
+#define TCSRx_NULLCOUNT 0x40000000
+#define TCSRx_RL 0x30000000
+#define TCSRx_MODE 0x07000000
+
+/* timer clock select registers */
+#define TxCKSL_SELECT 0x0f000000
+#define __TxCKSL_SELECT(X) ((X) << 24)
+#define TxCKSL_EIGHT 0xf0000000
+
+#endif /* _ASM_TIMER_REGS_H */
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/timex.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/timex.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/timex.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/timex.h 2004-11-05 14:13:04.279464017 +0000
@@ -0,0 +1,25 @@
+/* timex.h: FR-V architecture timex specifications
+ */
+#ifndef _ASM_TIMEX_H
+#define _ASM_TIMEX_H
+
+#define CLOCK_TICK_RATE 1193180 /* Underlying HZ */
+#define CLOCK_TICK_FACTOR 20 /* Factor of both 1000000 and CLOCK_TICK_RATE */
+
+#define FINETUNE \
+((((((long)LATCH * HZ - CLOCK_TICK_RATE) << SHIFT_HZ) * \
+ (1000000/CLOCK_TICK_FACTOR) / (CLOCK_TICK_RATE/CLOCK_TICK_FACTOR)) \
+ << (SHIFT_SCALE-SHIFT_HZ)) / HZ)
+
+typedef unsigned long cycles_t;
+
+static inline cycles_t get_cycles(void)
+{
+ return 0;
+}
+
+#define vxtime_lock() do {} while (0)
+#define vxtime_unlock() do {} while (0)
+
+#endif
+
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/tlbflush.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/tlbflush.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/tlbflush.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/tlbflush.h 2004-11-05 14:13:04.283463680 +0000
@@ -0,0 +1,76 @@
+/* tlbflush.h: TLB flushing functions
+ *
+ * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@xxxxxxxxxx)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _ASM_TLBFLUSH_H
+#define _ASM_TLBFLUSH_H
+
+#include <linux/config.h>
+#include <linux/mm.h>
+#include <asm/processor.h>
+
+#ifdef CONFIG_MMU
+
+#ifndef __ASSEMBLY__
+extern void asmlinkage __flush_tlb_all(void);
+extern void asmlinkage __flush_tlb_mm(unsigned long contextid);
+extern void asmlinkage __flush_tlb_page(unsigned long contextid, unsigned long start);
+extern void asmlinkage __flush_tlb_range(unsigned long contextid,
+ unsigned long start, unsigned long end);
+#endif /* !__ASSEMBLY__ */
+
+#define flush_tlb_all() \
+do { \
+ preempt_disable(); \
+ __flush_tlb_all(); \
+ preempt_enable(); \
+} while(0)
+
+#define flush_tlb_mm(mm) \
+do { \
+ preempt_disable(); \
+ __flush_tlb_mm((mm)->context.id); \
+ preempt_enable(); \
+} while(0)
+
+#define flush_tlb_range(vma,start,end) \
+do { \
+ preempt_disable(); \
+ __flush_tlb_range((vma)->vm_mm->context.id, start, end); \
+ preempt_enable(); \
+} while(0)
+
+#define flush_tlb_page(vma,addr) \
+do { \
+ preempt_disable(); \
+ __flush_tlb_page((vma)->vm_mm->context.id, addr); \
+ preempt_enable(); \
+} while(0)
+
+
+#define __flush_tlb_global() flush_tlb_all()
+#define flush_tlb() flush_tlb_all()
+#define flush_tlb_kernel_range(start, end) flush_tlb_all()
+#define flush_tlb_pgtables(mm,start,end) asm volatile("movgs gr0,scr0 ! movgs gr0,scr1");
+
+#else
+
+#define flush_tlb() BUG()
+#define flush_tlb_all() BUG()
+#define flush_tlb_mm(mm) BUG()
+#define flush_tlb_page(vma,addr) BUG()
+#define flush_tlb_range(mm,start,end) BUG()
+#define flush_tlb_pgtables(mm,start,end) BUG()
+#define flush_tlb_kernel_range(start, end) BUG()
+
+#endif
+
+
+#endif /* _ASM_TLBFLUSH_H */
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/tlb.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/tlb.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/tlb.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/tlb.h 2004-11-05 14:13:04.287463342 +0000
@@ -0,0 +1,23 @@
+#ifndef _ASM_TLB_H
+#define _ASM_TLB_H
+
+#include <asm/tlbflush.h>
+
+#define check_pgt_cache() do {} while(0)
+
+/*
+ * we don't need any special per-pte or per-vma handling...
+ */
+#define tlb_start_vma(tlb, vma) do { } while (0)
+#define tlb_end_vma(tlb, vma) do { } while (0)
+#define __tlb_remove_tlb_entry(tlb, ptep, address) do { } while (0)
+
+/*
+ * .. because we flush the whole mm when it fills up
+ */
+#define tlb_flush(tlb) flush_tlb_mm((tlb)->mm)
+
+#include <asm-generic/tlb.h>
+
+#endif /* _ASM_TLB_H */
+
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/topology.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/topology.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/topology.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/topology.h 2004-11-05 14:13:04.290463088 +0000
@@ -0,0 +1,14 @@
+#ifndef _ASM_TOPOLOGY_H
+#define _ASM_TOPOLOGY_H
+
+#ifdef CONFIG_NUMA
+
+#error NUMA not supported yet
+
+#else /* !CONFIG_NUMA */
+
+#include <asm-generic/topology.h>
+
+#endif /* CONFIG_NUMA */
+
+#endif /* _ASM_TOPOLOGY_H */
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/types.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/types.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/types.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/types.h 2004-11-05 14:13:04.294462751 +0000
@@ -0,0 +1,74 @@
+/* types.h: FRV types
+ *
+ * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@xxxxxxxxxx)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _ASM_TYPES_H
+#define _ASM_TYPES_H
+
+#ifndef __ASSEMBLY__
+
+typedef unsigned short umode_t;
+
+/*
+ * __xx is ok: it doesn't pollute the POSIX namespace. Use these in the
+ * header files exported to user space
+ */
+
+typedef __signed__ char __s8;
+typedef unsigned char __u8;
+
+typedef __signed__ short __s16;
+typedef unsigned short __u16;
+
+typedef __signed__ int __s32;
+typedef unsigned int __u32;
+
+#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
+typedef __signed__ long long __s64;
+typedef unsigned long long __u64;
+#endif
+
+#endif /* __ASSEMBLY__ */
+
+/*
+ * These aren't exported outside the kernel to avoid name space clashes
+ */
+#ifdef __KERNEL__
+
+#define BITS_PER_LONG 32
+
+#ifndef __ASSEMBLY__
+
+#include <linux/config.h>
+
+typedef signed char s8;
+typedef unsigned char u8;
+
+typedef signed short s16;
+typedef unsigned short u16;
+
+typedef signed int s32;
+typedef unsigned int u32;
+
+typedef signed long long s64;
+typedef unsigned long long u64;
+typedef u64 u_quad_t;
+
+/* Dma addresses are 32-bits wide. */
+
+typedef u32 dma_addr_t;
+
+typedef unsigned short kmem_bufctl_t;
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_TYPES_H */
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/uaccess.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/uaccess.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/uaccess.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/uaccess.h 2004-11-05 14:13:04.299462328 +0000
@@ -0,0 +1,317 @@
+/* uaccess.h: userspace accessor functions
+ *
+ * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@xxxxxxxxxx)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _ASM_UACCESS_H
+#define _ASM_UACCESS_H
+
+/*
+ * User space memory access functions
+ */
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <asm/segment.h>
+#include <asm/sections.h>
+
+#define HAVE_ARCH_UNMAPPED_AREA /* we decide where to put mmaps */
+
+#define __ptr(x) ((unsigned long *)(x))
+
+#define VERIFY_READ 0
+#define VERIFY_WRITE 1
+
+#define __addr_ok(addr) ((unsigned long)(addr) < get_addr_limit())
+
+/*
+ * check that a range of addresses falls within the current address limit
+ */
+static inline int ___range_ok(unsigned long addr, unsigned long size)
+{
+#ifdef CONFIG_MMU
+ int flag = -EFAULT, tmp;
+
+ asm volatile (
+ " addcc %3,%2,%1,icc0 \n" /* set C-flag if addr+size>4GB */
+ " subcc.p %1,%4,gr0,icc1 \n" /* jump if addr+size>limit */
+ " bc icc0,#0,0f \n"
+ " bhi icc1,#0,0f \n"
+ " setlos #0,%0 \n" /* mark okay */
+ "0: \n"
+ : "=r"(flag), "=&r"(tmp)
+ : "r"(addr), "r"(size), "r"(get_addr_limit()), "0"(flag)
+ );
+
+ return flag;
+
+#else
+
+ if (addr < memory_start ||
+ addr > memory_end ||
+ size > memory_end - memory_start ||
+ addr + size > memory_end)
+ return -EFAULT;
+
+ return 0;
+#endif
+}
+
+#define __range_ok(addr,size) ___range_ok((unsigned long) (addr), (unsigned long) (size))
+
+#define access_ok(type,addr,size) (__range_ok((addr), (size)) == 0)
+#define __access_ok(addr,size) (__range_ok((addr), (size)) == 0)
+
+static inline int verify_area(int type, const void * addr, unsigned long size)
+{
+ return __range_ok(addr, size);
+}
+
+/*
+ * The exception table consists of pairs of addresses: the first is the
+ * address of an instruction that is allowed to fault, and the second is
+ * the address at which the program should continue. No registers are
+ * modified, so it is entirely up to the continuation code to figure out
+ * what to do.
+ *
+ * All the routines below use bits of fixup code that are out of line
+ * with the main instruction path. This means when everything is well,
+ * we don't even have to jump over them. Further, they do not intrude
+ * on our cache or tlb entries.
+ */
+struct exception_table_entry
+{
+ unsigned long insn, fixup;
+};
+
+/* Returns 0 if exception not found and fixup otherwise. */
+extern unsigned long search_exception_table(unsigned long);
+
+
+/*
+ * These are the main single-value transfer routines. They automatically
+ * use the right size if we just have the right pointer type.
+ */
+#define __put_user(x, ptr) \
+({ \
+ int __pu_err = 0; \
+ \
+ typeof(*(ptr)) __pu_val = (x); \
+ \
+ switch (sizeof (*(ptr))) { \
+ case 1: \
+ __put_user_asm(__pu_err, __pu_val, ptr, "b", "r"); \
+ break; \
+ case 2: \
+ __put_user_asm(__pu_err, __pu_val, ptr, "h", "r"); \
+ break; \
+ case 4: \
+ __put_user_asm(__pu_err, __pu_val, ptr, "", "r"); \
+ break; \
+ case 8: \
+ __put_user_asm(__pu_err, __pu_val, ptr, "d", "e"); \
+ break; \
+ default: \
+ __pu_err = __put_user_bad(); \
+ break; \
+ } \
+ __pu_err; \
+})
+
+#define put_user(x, ptr) \
+({ \
+ typeof(&*ptr) _p = (ptr); \
+ int _e; \
+ \
+ _e = __range_ok(_p, sizeof(*_p)); \
+ if (_e == 0) \
+ _e = __put_user((x), _p); \
+ _e; \
+})
+
+extern int __put_user_bad(void);
+
+/*
+ * Tell gcc we read from memory instead of writing: this is because
+ * we do not write to any memory gcc knows about, so there are no
+ * aliasing issues.
+ */
+
+#ifdef CONFIG_MMU
+
+#define __put_user_asm(err,x,ptr,dsize,constraint) \
+do { \
+ asm volatile("1: st"dsize"%I1 %2,%M1 \n" \
+ "2: \n" \
+ ".subsection 2 \n" \
+ "3: setlos %3,%0 \n" \
+ " bra 2b \n" \
+ ".previous \n" \
+ ".section __ex_table,\"a\" \n" \
+ " .balign 8 \n" \
+ " .long 1b,3b \n" \
+ ".previous" \
+ : "=r" (err) \
+ : "m" (*__ptr(ptr)), constraint (x), "i"(-EFAULT), "0"(err) \
+ : "memory"); \
+} while (0)
+
+#else
+
+#define __put_user_asm(err,x,ptr,bwl,con) \
+do { \
+ asm(" st"bwl"%I0 %1,%M0 \n" \
+ " membar \n" \
+ : \
+ : "m" (*__ptr(ptr)), con (x) \
+ : "memory"); \
+} while (0)
+
+#endif
+
+/*****************************************************************************/
+/*
+ *
+ */
+#define __get_user(x, ptr) \
+({ \
+ typeof(*(ptr)) __gu_val = 0; \
+ int __gu_err = 0; \
+ \
+ switch (sizeof(*(ptr))) { \
+ case 1: \
+ __get_user_asm(__gu_err, __gu_val, ptr, "ub", "=r"); \
+ break; \
+ case 2: \
+ __get_user_asm(__gu_err, __gu_val, ptr, "uh", "=r"); \
+ break; \
+ case 4: \
+ __get_user_asm(__gu_err, __gu_val, ptr, "", "=r"); \
+ break; \
+ case 8: \
+ __get_user_asm(__gu_err, __gu_val, ptr, "d", "=e"); \
+ break; \
+ default: \
+ __gu_err = __get_user_bad(); \
+ break; \
+ } \
+ (x) = __gu_val; \
+ __gu_err; \
+})
+
+#define get_user(x, ptr) \
+({ \
+ typeof(&*ptr) _p = (ptr); \
+ int _e; \
+ \
+ _e = __range_ok(_p, sizeof(*_p)); \
+ if (likely(_e == 0)) \
+ _e = __get_user((x), _p); \
+ else \
+ (x) = (typeof(x)) 0; \
+ _e; \
+})
+
+extern int __get_user_bad(void);
+
+#ifdef CONFIG_MMU
+
+#define __get_user_asm(err,x,ptr,dtype,constraint) \
+do { \
+ asm("1: ld"dtype"%I2 %M2,%1 \n" \
+ "2: \n" \
+ ".subsection 2 \n" \
+ "3: setlos %3,%0 \n" \
+ " setlos #0,%1 \n" \
+ " bra 2b \n" \
+ ".previous \n" \
+ ".section __ex_table,\"a\" \n" \
+ " .balign 8 \n" \
+ " .long 1b,3b \n" \
+ ".previous" \
+ : "=r" (err), constraint (x) \
+ : "m" (*__ptr(ptr)), "i"(-EFAULT), "0"(err) \
+ ); \
+} while(0)
+
+#else
+
+#define __get_user_asm(err,x,ptr,bwl,con) \
+ asm(" ld"bwl"%I1 %M1,%0 \n" \
+ " membar \n" \
+ : con(x) \
+ : "m" (*__ptr(ptr)))
+
+#endif
+
+/*****************************************************************************/
+/*
+ *
+ */
+#ifdef CONFIG_MMU
+extern long __memset_user(void *dst, unsigned long count);
+extern long __memcpy_user(void *dst, const void *src, unsigned long count);
+
+#define clear_user(dst,count) __memset_user((dst), (count))
+#define __copy_from_user_inatomic(to, from, n) __memcpy_user((to), (from), (n))
+#define __copy_to_user_inatomic(to, from, n) __memcpy_user((to), (from), (n))
+
+#else
+
+#define clear_user(dst,count) (memset((dst), 0, (count)), 0)
+#define __copy_from_user_inatomic(to, from, n) (memcpy((to), (from), (n)), 0)
+#define __copy_to_user_inatomic(to, from, n) (memcpy((to), (from), (n)), 0)
+
+#endif
+
+static inline unsigned long __must_check
+__copy_to_user(void __user *to, const void *from, unsigned long n)
+{
+ might_sleep();
+ return __copy_to_user_inatomic(to, from, n);
+}
+
+static inline unsigned long
+__copy_from_user(void *to, const void __user *from, unsigned long n)
+{
+ might_sleep();
+ return __copy_from_user_inatomic(to, from, n);
+}
+
+static inline long copy_from_user(void *to, const void *from, unsigned long n)
+{
+ unsigned long ret = n;
+
+ if (likely(__access_ok(from, n)))
+ ret = __copy_from_user(to, from, n);
+
+ if (unlikely(ret != 0))
+ memset(to + (n - ret), 0, ret);
+
+ return ret;
+}
+
+static inline long copy_to_user(void *to, const void *from, unsigned long n)
+{
+ return likely(__access_ok(to, n)) ? __copy_to_user(to, from, n) : n;
+}
+
+#define copy_to_user_ret(to,from,n,retval) ({ if (copy_to_user(to,from,n)) return retval; })
+#define copy_from_user_ret(to,from,n,retval) ({ if (copy_from_user(to,from,n)) return retval; })
+
+extern long strncpy_from_user(char *dst, const char *src, long count);
+extern long strnlen_user(const char *src, long count);
+
+#define strlen_user(str) strnlen_user(str, 32767)
+
+extern unsigned long search_exception_table(unsigned long addr);
+
+#define copy_to_user_page(vma, page, vaddr, dst, src, len) memcpy(dst, src, len)
+#define copy_from_user_page(vma, page, vaddr, dst, src, len) memcpy(dst, src, len)
+
+#endif /* _ASM_UACCESS_H */
diff -uNrp /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/ucontext.h linux-2.6.10-rc1-mm3-frv/include/asm-frv/ucontext.h
--- /warthog/kernels/linux-2.6.10-rc1-mm3/include/asm-frv/ucontext.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-rc1-mm3-frv/include/asm-frv/ucontext.h 2004-11-05 14:13:04.303461991 +0000
@@ -0,0 +1,12 @@
+#ifndef _ASM_UCONTEXT_H
+#define _ASM_UCONTEXT_H
+
+struct ucontext {
+ unsigned long uc_flags;
+ struct ucontext *uc_link;
+ stack_t uc_stack;
+ struct sigcontext uc_mcontext;
+ sigset_t uc_sigmask; /* mask last for extensibility */
+};
+
+#endif
-
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