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| author | Kumar Gala <galak@kernel.crashing.org> | 2009-08-18 19:08:32 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-08-28 14:24:13 +1000 |
| commit | 4b98d9e713a03bd79ced8800e24a56359f9effbf (patch) | |
| tree | 3c1ca441b80f907241a6dd065feb0879436d40e2 | |
| parent | 6c188829d2c20a1d02aedb13db34b3ca2a8f0dc4 (diff) | |
| download | linux-4b98d9e713a03bd79ced8800e24a56359f9effbf.tar.bz2 | |
powerpc/book3e-64: Add helper function to setup IVORs
Not all 64-bit Book-3E parts will have fixed IVORs so add a function that
cpusetup code can call to setup the base IVORs (0..15) to match the fixed
offsets. We need to 'or' part of interrupt_base_book3e into the IVORs
since on parts that have them the IVPR doesn't extend as far down.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| -rw-r--r-- | arch/powerpc/include/asm/exception-64e.h | 4 | ||||
| -rw-r--r-- | arch/powerpc/kernel/exceptions-64e.S | 19 |
2 files changed, 23 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/exception-64e.h b/arch/powerpc/include/asm/exception-64e.h index 94cb3d79d125..6d53f311d942 100644 --- a/arch/powerpc/include/asm/exception-64e.h +++ b/arch/powerpc/include/asm/exception-64e.h @@ -196,6 +196,10 @@ exc_##label##_book3e: #define TLB_MISS_STATS_SAVE_INFO #endif +#define SET_IVOR(vector_number, vector_offset) \ + li r3,vector_offset@l; \ + ori r3,r3,interrupt_base_book3e@l; \ + mtspr SPRN_IVOR##vector_number,r3; #endif /* _ASM_POWERPC_EXCEPTION_64E_H */ diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S index 3611b0e7d46d..662236c72244 100644 --- a/arch/powerpc/kernel/exceptions-64e.S +++ b/arch/powerpc/kernel/exceptions-64e.S @@ -782,5 +782,24 @@ _STATIC(init_thread_book3e) blr +_GLOBAL(__setup_base_ivors) + SET_IVOR(0, 0x020) /* Critical Input */ + SET_IVOR(1, 0x000) /* Machine Check */ + SET_IVOR(2, 0x060) /* Data Storage */ + SET_IVOR(3, 0x080) /* Instruction Storage */ + SET_IVOR(4, 0x0a0) /* External Input */ + SET_IVOR(5, 0x0c0) /* Alignment */ + SET_IVOR(6, 0x0e0) /* Program */ + SET_IVOR(7, 0x100) /* FP Unavailable */ + SET_IVOR(8, 0x120) /* System Call */ + SET_IVOR(9, 0x140) /* Auxiliary Processor Unavailable */ + SET_IVOR(10, 0x160) /* Decrementer */ + SET_IVOR(11, 0x180) /* Fixed Interval Timer */ + SET_IVOR(12, 0x1a0) /* Watchdog Timer */ + SET_IVOR(13, 0x1c0) /* Data TLB Error */ + SET_IVOR(14, 0x1e0) /* Instruction TLB Error */ + SET_IVOR(15, 0x040) /* Debug */ + sync + blr |