diff options
| -rw-r--r-- | arch/powerpc/kernel/entry_32.S | 9 | ||||
| -rw-r--r-- | arch/powerpc/kernel/head_32.h | 15 |
2 files changed, 15 insertions, 9 deletions
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index 2f3d159c11d7..d0cea3deb86c 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -38,14 +38,7 @@ #include <asm/barrier.h> #include <asm/kup.h> -/* - * MSR_KERNEL is > 0x10000 on 4xx/Book-E since it include MSR_CE. - */ -#if MSR_KERNEL >= 0x10000 -#define LOAD_MSR_KERNEL(r, x) lis r,(x)@h; ori r,r,(x)@l -#else -#define LOAD_MSR_KERNEL(r, x) li r,(x) -#endif +#include "head_32.h" /* * Align to 4k in order to ensure that all functions modyfing srr0/srr1 diff --git a/arch/powerpc/kernel/head_32.h b/arch/powerpc/kernel/head_32.h index 7456e2a45acc..cf3d00844597 100644 --- a/arch/powerpc/kernel/head_32.h +++ b/arch/powerpc/kernel/head_32.h @@ -5,6 +5,19 @@ #include <asm/ptrace.h> /* for STACK_FRAME_REGS_MARKER */ /* + * MSR_KERNEL is > 0x8000 on 4xx/Book-E since it include MSR_CE. + */ +.macro __LOAD_MSR_KERNEL r, x +.if \x >= 0x8000 + lis \r, (\x)@h + ori \r, \r, (\x)@l +.else + li \r, (\x) +.endif +.endm +#define LOAD_MSR_KERNEL(r, x) __LOAD_MSR_KERNEL r, x + +/* * Exception entry code. This code runs with address translation * turned off, i.e. using physical addresses. * We assume sprg3 has the physical address of the current @@ -89,7 +102,7 @@ label: #define EXC_XFER_TEMPLATE(n, hdlr, trap, copyee, tfer, ret) \ li r10,trap; \ stw r10,_TRAP(r11); \ - li r10,MSR_KERNEL; \ + LOAD_MSR_KERNEL(r10, MSR_KERNEL); \ copyee(r10, r9); \ bl tfer; \ i##n: \ |