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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-04-05 14:27:11 +1000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-04-20 11:03:23 +1000 |
| commit | b3e6b5dfcf0974069a8ddcce7dd071120d20d79c (patch) | |
| tree | 96b8b9446ad134d9aab9021d97c292c0fafd8e90 /arch/powerpc/include/asm/exception-64s.h | |
| parent | a5d4f3ad3a28cf046836b9bfae61d532b8f77036 (diff) | |
| download | op-kernel-dev-b3e6b5dfcf0974069a8ddcce7dd071120d20d79c.zip op-kernel-dev-b3e6b5dfcf0974069a8ddcce7dd071120d20d79c.tar.gz | |
powerpc: More work to support HV exceptions
Rework exception macros a bit to split offset from vector and add
some basic support for HDEC, HDSI, HISI and a few more.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm/exception-64s.h')
| -rw-r--r-- | arch/powerpc/include/asm/exception-64s.h | 37 |
1 files changed, 24 insertions, 13 deletions
diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h index 1d98e05..fb5b0af 100644 --- a/arch/powerpc/include/asm/exception-64s.h +++ b/arch/powerpc/include/asm/exception-64s.h @@ -150,28 +150,27 @@ /* * Exception vectors. */ -#define STD_EXCEPTION_PSERIES(n, label) \ - . = n; \ +#define STD_EXCEPTION_PSERIES(loc, vec, label) \ + . = loc; \ .globl label##_pSeries; \ label##_pSeries: \ HMT_MEDIUM; \ - DO_KVM n; \ + DO_KVM vec; \ mtspr SPRN_SPRG_SCRATCH0,r13; /* save r13 */ \ EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common, EXC_STD) -#define HSTD_EXCEPTION_PSERIES(n, label) \ - . = n; \ - .globl label##_pSeries; \ -label##_pSeries: \ +#define STD_EXCEPTION_HV(loc, vec, label) \ + . = loc; \ + .globl label##_hv; \ +label##_hv: \ HMT_MEDIUM; \ - DO_KVM n; \ + DO_KVM vec; \ mtspr SPRN_SPRG_HSCRATCH0,r13;/* save r13 */ \ EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common, EXC_HV) - -#define __MASKABLE_EXCEPTION_PSERIES(n, label, h) \ +#define __MASKABLE_EXCEPTION_PSERIES(vec, label, h) \ HMT_MEDIUM; \ - DO_KVM n; \ + DO_KVM vec; \ mtspr SPRN_SPRG_##h##SCRATCH0,r13; /* save r13 */ \ GET_PACA(r13); \ std r9,PACA_EXGEN+EX_R9(r13); /* save r9, r10 */ \ @@ -193,8 +192,20 @@ label##_pSeries: \ mtspr SPRN_##h##SRR1,r10; \ h##rfid; \ b . /* prevent speculative execution */ -#define MASKABLE_EXCEPTION_PSERIES(n, label, h) \ - __MASKABLE_EXCEPTION_PSERIES(n, label, h) +#define _MASKABLE_EXCEPTION_PSERIES(vec, label, h) \ + __MASKABLE_EXCEPTION_PSERIES(vec, label, h) + +#define MASKABLE_EXCEPTION_PSERIES(loc, vec, label) \ + . = loc; \ + .globl label##_pSeries; \ +label##_pSeries: \ + _MASKABLE_EXCEPTION_PSERIES(vec, label, EXC_STD) + +#define MASKABLE_EXCEPTION_HV(loc, vec, label) \ + . = loc; \ + .globl label##_hv; \ +label##_hv: \ + _MASKABLE_EXCEPTION_PSERIES(vec, label, EXC_HV) #ifdef CONFIG_PPC_ISERIES #define DISABLE_INTS \ |
