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author | Christophe Leroy <christophe.leroy@c-s.fr> | 2019-04-30 12:38:56 +0000 |
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committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-05-03 01:20:27 +1000 |
commit | 90f204b9a1f2dc81904547a52ba976d3e84dcf59 (patch) | |
tree | cb6303ef3517ef3db08d6d4208e880304b24d71f /arch/powerpc/kernel/head_32.h | |
parent | 7271fc960424a2fed3823a57358f67f650fd708d (diff) |
powerpc/40x: Refactor exception entry macros by using head_32.h
Refactor exception entry macros by using the ones defined in head_32.h
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/kernel/head_32.h')
-rw-r--r-- | arch/powerpc/kernel/head_32.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/head_32.h b/arch/powerpc/kernel/head_32.h index 985758cbf577..aa0131bb09b5 100644 --- a/arch/powerpc/kernel/head_32.h +++ b/arch/powerpc/kernel/head_32.h @@ -59,8 +59,12 @@ stw r1,GPR1(r11) stw r1,0(r11) tovirt(r1,r11) /* set new kernel sp */ +#ifdef CONFIG_40x + rlwinm r9,r9,0,14,12 /* clear MSR_WE (necessary?) */ +#else li r10,MSR_KERNEL & ~(MSR_IR|MSR_DR) /* can take exceptions */ MTMSRD(r10) /* (except for mach check in rtas) */ +#endif stw r0,GPR0(r11) lis r10,STACK_FRAME_REGS_MARKER@ha /* exception frame marker */ addi r10,r10,STACK_FRAME_REGS_MARKER@l |