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authorHyok S. Choi <hyok.choi@samsung.com>2006-01-13 21:04:17 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-01-13 21:04:17 +0000
commite72b04756f16e40dfd6dab3da81e03fe6dfe16e6 (patch)
tree1fcdeb3d50aee061ca28bcf848fe9707a2d7a1d9 /include/asm-arm/processor.h
parent946d4935fc61e1479f8c057d58c64110bb43d3b0 (diff)
[ARM] start_thread fixup for nommu mode
This patch supports start_thread in nommu mode which requires the base index register. Signed-off-by: Hyok S. Choi <hyok.choi@samsung.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/asm-arm/processor.h')
-rw-r--r--include/asm-arm/processor.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/asm-arm/processor.h b/include/asm-arm/processor.h
index 31290694648b..04f4d34c6317 100644
--- a/include/asm-arm/processor.h
+++ b/include/asm-arm/processor.h
@@ -49,6 +49,12 @@ struct thread_struct {
#define INIT_THREAD { }
+#ifdef CONFIG_MMU
+#define nommu_start_thread(regs) do { } while (0)
+#else
+#define nommu_start_thread(regs) regs->ARM_r10 = current->mm->start_data
+#endif
+
#define start_thread(regs,pc,sp) \
({ \
unsigned long *stack = (unsigned long *)sp; \
@@ -65,6 +71,7 @@ struct thread_struct {
regs->ARM_r2 = stack[2]; /* r2 (envp) */ \
regs->ARM_r1 = stack[1]; /* r1 (argv) */ \
regs->ARM_r0 = stack[0]; /* r0 (argc) */ \
+ nommu_start_thread(regs); \
})
/* Forward declaration, a strange C thing */