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-rw-r--r--arch/frv/Kconfig1
-rw-r--r--arch/frv/include/asm/atomic.h6
-rw-r--r--arch/frv/include/asm/bitops.h3
-rw-r--r--arch/frv/include/asm/hardirq.h2
-rw-r--r--arch/frv/include/asm/processor.h1
-rw-r--r--arch/frv/include/asm/ptrace.h1
-rw-r--r--arch/frv/kernel/entry.S2
-rw-r--r--arch/frv/kernel/gdb-stub.c44
-rw-r--r--arch/frv/kernel/irq.c2
-rw-r--r--arch/frv/kernel/module.c57
-rw-r--r--arch/frv/kernel/process.c5
-rw-r--r--arch/frv/mm/fault.c2
-rw-r--r--arch/frv/mm/pgalloc.c8
13 files changed, 36 insertions, 98 deletions
diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig
index cb884e4..bad27a6 100644
--- a/arch/frv/Kconfig
+++ b/arch/frv/Kconfig
@@ -7,6 +7,7 @@ config FRV
select HAVE_PERF_EVENTS
select HAVE_GENERIC_HARDIRQS
select GENERIC_IRQ_SHOW
+ select ARCH_HAVE_NMI_SAFE_CMPXCHG
config ZONE_DMA
bool
diff --git a/arch/frv/include/asm/atomic.h b/arch/frv/include/asm/atomic.h
index fae32c7..0d8a7d6 100644
--- a/arch/frv/include/asm/atomic.h
+++ b/arch/frv/include/asm/atomic.h
@@ -241,7 +241,7 @@ extern uint32_t __xchg_32(uint32_t i, volatile void *v);
#define atomic64_cmpxchg(v, old, new) (__cmpxchg_64(old, new, &(v)->counter))
#define atomic64_xchg(v, new) (__xchg_64(new, &(v)->counter))
-static __inline__ int atomic_add_unless(atomic_t *v, int a, int u)
+static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
{
int c, old;
c = atomic_read(v);
@@ -253,10 +253,8 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u)
break;
c = old;
}
- return c != (u);
+ return c;
}
-#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
-#include <asm-generic/atomic-long.h>
#endif /* _ASM_ATOMIC_H */
diff --git a/arch/frv/include/asm/bitops.h b/arch/frv/include/asm/bitops.h
index a1d00b0..57bf85d 100644
--- a/arch/frv/include/asm/bitops.h
+++ b/arch/frv/include/asm/bitops.h
@@ -403,8 +403,7 @@ int __ilog2_u64(u64 n)
#include <asm-generic/bitops/le.h>
-#define ext2_set_bit_atomic(lock,nr,addr) test_and_set_bit ((nr) ^ 0x18, (addr))
-#define ext2_clear_bit_atomic(lock,nr,addr) test_and_clear_bit((nr) ^ 0x18, (addr))
+#include <asm-generic/bitops/ext2-atomic-setbit.h>
#endif /* __KERNEL__ */
diff --git a/arch/frv/include/asm/hardirq.h b/arch/frv/include/asm/hardirq.h
index 5fc8b6f..c62833d 100644
--- a/arch/frv/include/asm/hardirq.h
+++ b/arch/frv/include/asm/hardirq.h
@@ -12,7 +12,7 @@
#ifndef __ASM_HARDIRQ_H
#define __ASM_HARDIRQ_H
-#include <asm/atomic.h>
+#include <linux/atomic.h>
extern atomic_t irq_err_count;
static inline void ack_bad_irq(int irq)
diff --git a/arch/frv/include/asm/processor.h b/arch/frv/include/asm/processor.h
index 4b789ab..81c2e27 100644
--- a/arch/frv/include/asm/processor.h
+++ b/arch/frv/include/asm/processor.h
@@ -97,7 +97,6 @@ extern struct task_struct *__kernel_current_task;
*/
#define start_thread(_regs, _pc, _usp) \
do { \
- set_fs(USER_DS); /* reads from user space */ \
__frame = __kernel_frame0_ptr; \
__frame->pc = (_pc); \
__frame->psr &= ~PSR_S; \
diff --git a/arch/frv/include/asm/ptrace.h b/arch/frv/include/asm/ptrace.h
index 6bfad4c..ef6635c 100644
--- a/arch/frv/include/asm/ptrace.h
+++ b/arch/frv/include/asm/ptrace.h
@@ -78,7 +78,6 @@ register struct pt_regs *__frame asm("gr28");
#define user_stack_pointer(regs) ((regs)->sp)
extern unsigned long user_stack(const struct pt_regs *);
-extern void show_regs(struct pt_regs *);
#define profile_pc(regs) ((regs)->pc)
#define task_pt_regs(task) ((task)->thread.frame0)
diff --git a/arch/frv/kernel/entry.S b/arch/frv/kernel/entry.S
index 017d6d7..5ba23f7 100644
--- a/arch/frv/kernel/entry.S
+++ b/arch/frv/kernel/entry.S
@@ -1358,7 +1358,7 @@ sys_call_table:
.long sys_ni_syscall /* for vm86 */
.long sys_ni_syscall /* Old sys_query_module */
.long sys_poll
- .long sys_nfsservctl
+ .long sys_ni_syscall /* Old nfsservctl */
.long sys_setresgid16 /* 170 */
.long sys_getresgid16
.long sys_prctl
diff --git a/arch/frv/kernel/gdb-stub.c b/arch/frv/kernel/gdb-stub.c
index a4dba6b..a6d5381 100644
--- a/arch/frv/kernel/gdb-stub.c
+++ b/arch/frv/kernel/gdb-stub.c
@@ -672,7 +672,7 @@ static unsigned char *mem2hex(const void *_mem, char *buf, int count, int may_fa
if ((uint32_t)mem&1 && count>=1) {
if (!gdbstub_read_byte(mem,ch))
return NULL;
- buf = pack_hex_byte(buf, ch[0]);
+ buf = hex_byte_pack(buf, ch[0]);
mem++;
count--;
}
@@ -680,8 +680,8 @@ static unsigned char *mem2hex(const void *_mem, char *buf, int count, int may_fa
if ((uint32_t)mem&3 && count>=2) {
if (!gdbstub_read_word(mem,(uint16_t *)ch))
return NULL;
- buf = pack_hex_byte(buf, ch[0]);
- buf = pack_hex_byte(buf, ch[1]);
+ buf = hex_byte_pack(buf, ch[0]);
+ buf = hex_byte_pack(buf, ch[1]);
mem += 2;
count -= 2;
}
@@ -689,10 +689,10 @@ static unsigned char *mem2hex(const void *_mem, char *buf, int count, int may_fa
while (count>=4) {
if (!gdbstub_read_dword(mem,(uint32_t *)ch))
return NULL;
- buf = pack_hex_byte(buf, ch[0]);
- buf = pack_hex_byte(buf, ch[1]);
- buf = pack_hex_byte(buf, ch[2]);
- buf = pack_hex_byte(buf, ch[3]);
+ buf = hex_byte_pack(buf, ch[0]);
+ buf = hex_byte_pack(buf, ch[1]);
+ buf = hex_byte_pack(buf, ch[2]);
+ buf = hex_byte_pack(buf, ch[3]);
mem += 4;
count -= 4;
}
@@ -700,8 +700,8 @@ static unsigned char *mem2hex(const void *_mem, char *buf, int count, int may_fa
if (count>=2) {
if (!gdbstub_read_word(mem,(uint16_t *)ch))
return NULL;
- buf = pack_hex_byte(buf, ch[0]);
- buf = pack_hex_byte(buf, ch[1]);
+ buf = hex_byte_pack(buf, ch[0]);
+ buf = hex_byte_pack(buf, ch[1]);
mem += 2;
count -= 2;
}
@@ -709,7 +709,7 @@ static unsigned char *mem2hex(const void *_mem, char *buf, int count, int may_fa
if (count>=1) {
if (!gdbstub_read_byte(mem,ch))
return NULL;
- buf = pack_hex_byte(buf, ch[0]);
+ buf = hex_byte_pack(buf, ch[0]);
}
*buf = 0;
@@ -1498,21 +1498,21 @@ void gdbstub(int sigval)
ptr = mem2hex(title, ptr, sizeof(title) - 1,0);
hx = hex_asc_hi(brr >> 24);
- ptr = pack_hex_byte(ptr, hx);
+ ptr = hex_byte_pack(ptr, hx);
hx = hex_asc_lo(brr >> 24);
- ptr = pack_hex_byte(ptr, hx);
+ ptr = hex_byte_pack(ptr, hx);
hx = hex_asc_hi(brr >> 16);
- ptr = pack_hex_byte(ptr, hx);
+ ptr = hex_byte_pack(ptr, hx);
hx = hex_asc_lo(brr >> 16);
- ptr = pack_hex_byte(ptr, hx);
+ ptr = hex_byte_pack(ptr, hx);
hx = hex_asc_hi(brr >> 8);
- ptr = pack_hex_byte(ptr, hx);
+ ptr = hex_byte_pack(ptr, hx);
hx = hex_asc_lo(brr >> 8);
- ptr = pack_hex_byte(ptr, hx);
+ ptr = hex_byte_pack(ptr, hx);
hx = hex_asc_hi(brr);
- ptr = pack_hex_byte(ptr, hx);
+ ptr = hex_byte_pack(ptr, hx);
hx = hex_asc_lo(brr);
- ptr = pack_hex_byte(ptr, hx);
+ ptr = hex_byte_pack(ptr, hx);
ptr = mem2hex(crlf, ptr, sizeof(crlf) - 1, 0);
*ptr = 0;
@@ -1526,10 +1526,10 @@ void gdbstub(int sigval)
/* Send trap type (converted to signal) */
*ptr++ = 'T';
- ptr = pack_hex_byte(ptr, sigval);
+ ptr = hex_byte_pack(ptr, sigval);
/* Send Error PC */
- ptr = pack_hex_byte(ptr, GDB_REG_PC);
+ ptr = hex_byte_pack(ptr, GDB_REG_PC);
*ptr++ = ':';
ptr = mem2hex(&__debug_frame->pc, ptr, 4, 0);
*ptr++ = ';';
@@ -1537,7 +1537,7 @@ void gdbstub(int sigval)
/*
* Send frame pointer
*/
- ptr = pack_hex_byte(ptr, GDB_REG_FP);
+ ptr = hex_byte_pack(ptr, GDB_REG_FP);
*ptr++ = ':';
ptr = mem2hex(&__debug_frame->fp, ptr, 4, 0);
*ptr++ = ';';
@@ -1545,7 +1545,7 @@ void gdbstub(int sigval)
/*
* Send stack pointer
*/
- ptr = pack_hex_byte(ptr, GDB_REG_SP);
+ ptr = hex_byte_pack(ptr, GDB_REG_SP);
*ptr++ = ':';
ptr = mem2hex(&__debug_frame->sp, ptr, 4, 0);
*ptr++ = ';';
diff --git a/arch/frv/kernel/irq.c b/arch/frv/kernel/irq.c
index a5f624a..3facbc2 100644
--- a/arch/frv/kernel/irq.c
+++ b/arch/frv/kernel/irq.c
@@ -25,7 +25,7 @@
#include <linux/module.h>
#include <linux/bitops.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <asm/io.h>
#include <asm/smp.h>
#include <asm/system.h>
diff --git a/arch/frv/kernel/module.c b/arch/frv/kernel/module.c
index 711763c..9d9835f 100644
--- a/arch/frv/kernel/module.c
+++ b/arch/frv/kernel/module.c
@@ -22,57 +22,6 @@
#define DEBUGP(fmt...)
#endif
-void *module_alloc(unsigned long size)
-{
- if (size == 0)
- return NULL;
-
- return vmalloc_exec(size);
-}
-
-
-/* Free memory returned from module_alloc */
-void module_free(struct module *mod, void *module_region)
-{
- vfree(module_region);
-}
-
-/* We don't need anything special. */
-int module_frob_arch_sections(Elf_Ehdr *hdr,
- Elf_Shdr *sechdrs,
- char *secstrings,
- struct module *mod)
-{
- return 0;
-}
-
-int apply_relocate(Elf32_Shdr *sechdrs,
- const char *strtab,
- unsigned int symindex,
- unsigned int relsec,
- struct module *me)
-{
- printk(KERN_ERR "module %s: ADD RELOCATION unsupported\n", me->name);
- return -ENOEXEC;
-}
-
-int apply_relocate_add(Elf32_Shdr *sechdrs,
- const char *strtab,
- unsigned int symindex,
- unsigned int relsec,
- struct module *me)
-{
- printk(KERN_ERR "module %s: ADD RELOCATION unsupported\n", me->name);
- return -ENOEXEC;
-}
-
-int module_finalize(const Elf_Ehdr *hdr,
- const Elf_Shdr *sechdrs,
- struct module *me)
-{
- return 0;
-}
-
-void module_arch_cleanup(struct module *mod)
-{
-}
+/* TODO: At least one of apply_relocate or apply_relocate_add must be
+ * implemented in order to get working module support.
+ */
diff --git a/arch/frv/kernel/process.c b/arch/frv/kernel/process.c
index 9d35975..3901df1 100644
--- a/arch/frv/kernel/process.c
+++ b/arch/frv/kernel/process.c
@@ -143,10 +143,7 @@ void machine_power_off(void)
void flush_thread(void)
{
-#if 0 //ndef NO_FPU
- unsigned long zero = 0;
-#endif
- set_fs(USER_DS);
+ /* nothing */
}
inline unsigned long user_stack(const struct pt_regs *regs)
diff --git a/arch/frv/mm/fault.c b/arch/frv/mm/fault.c
index a325d57..46a3c18 100644
--- a/arch/frv/mm/fault.c
+++ b/arch/frv/mm/fault.c
@@ -167,6 +167,8 @@ asmlinkage void do_page_fault(int datammu, unsigned long esr0, unsigned long ear
if (unlikely(fault & VM_FAULT_ERROR)) {
if (fault & VM_FAULT_OOM)
goto out_of_memory;
+ else if (fault & VM_FAULT_SIGSEGV)
+ goto bad_area;
else if (fault & VM_FAULT_SIGBUS)
goto do_sigbus;
BUG();
diff --git a/arch/frv/mm/pgalloc.c b/arch/frv/mm/pgalloc.c
index c42c83d..4fb63a3 100644
--- a/arch/frv/mm/pgalloc.c
+++ b/arch/frv/mm/pgalloc.c
@@ -133,13 +133,7 @@ void pgd_dtor(void *pgd)
pgd_t *pgd_alloc(struct mm_struct *mm)
{
- pgd_t *pgd;
-
- pgd = quicklist_alloc(0, GFP_KERNEL, pgd_ctor);
- if (!pgd)
- return pgd;
-
- return pgd;
+ return quicklist_alloc(0, GFP_KERNEL, pgd_ctor);
}
void pgd_free(struct mm_struct *mm, pgd_t *pgd)
generated by cgit v1.1 at 2024-04-27 08:15:52 +0000