diff options
Diffstat (limited to 'arch/mn10300/include/asm/frame.inc')
| -rw-r--r-- | arch/mn10300/include/asm/frame.inc | 56 |
1 files changed, 13 insertions, 43 deletions
diff --git a/arch/mn10300/include/asm/frame.inc b/arch/mn10300/include/asm/frame.inc index 406060e5e1c0..2ee58e3eb6b3 100644 --- a/arch/mn10300/include/asm/frame.inc +++ b/arch/mn10300/include/asm/frame.inc @@ -18,9 +18,7 @@ #ifndef __ASM_OFFSETS_H__ #include <asm/asm-offsets.h> #endif -#ifdef CONFIG_SMP -#include <proc/smp-regs.h> -#endif +#include <asm/thread_info.h> #define pi break @@ -40,27 +38,15 @@ movm [d2,d3,a2,a3,exreg0,exreg1,exother],(sp) mov sp,fp # FRAME pointer in A3 add -12,sp # allow for calls to be made -#ifdef CONFIG_SMP -#ifdef CONFIG_PREEMPT /* FIXME */ - mov epsw,d2 - and ~EPSW_IE,epsw -#endif - mov (CPUID),a0 - add a0,a0 - add a0,a0 - mov (___frame,a0),a1 - mov a1,(REG_NEXT,fp) - mov fp,(___frame,a0) -#ifdef CONFIG_PREEMPT /* FIXME */ - mov d2,epsw -#endif -#else /* CONFIG_SMP */ - mov (__frame),a1 - mov a1,(REG_NEXT,fp) - mov fp,(__frame) -#endif /* CONFIG_SMP */ - and ~EPSW_FE,epsw # disable the FPU inside the kernel + # push the exception frame onto the front of the list + GET_THREAD_INFO a1 + mov (TI_frame,a1),a0 + mov a0,(REG_NEXT,fp) + mov fp,(TI_frame,a1) + + # disable the FPU inside the kernel + and ~EPSW_FE,epsw # we may be holding current in E2 #ifdef CONFIG_MN10300_CURRENT_IN_E2 @@ -76,27 +62,11 @@ .macro RESTORE_ALL # peel back the stack to the calling frame # - this permits execve() to discard extra frames due to kernel syscalls -#ifdef CONFIG_SMP -#ifdef CONFIG_PREEMPT /* FIXME */ - mov epsw,d2 - and ~EPSW_IE,epsw -#endif - mov (CPUID),a0 - add a0,a0 - add a0,a0 - mov (___frame,a0),fp - mov fp,sp - mov (REG_NEXT,fp),d0 # userspace has regs->next == 0 - mov d0,(___frame,a0) -#ifdef CONFIG_PREEMPT /* FIXME */ - mov d2,epsw -#endif -#else /* CONFIG_SMP */ - mov (__frame),fp + GET_THREAD_INFO a0 + mov (TI_frame,a0),fp mov fp,sp - mov (REG_NEXT,fp),d0 # userspace has regs->next == 0 - mov d0,(__frame) -#endif /* CONFIG_SMP */ + mov (REG_NEXT,fp),d0 + mov d0,(TI_frame,a0) # userspace has regs->next == 0 #ifndef CONFIG_MN10300_USING_JTAG mov (REG_EPSW,fp),d0 |