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| author | Tiejun Chen <tiejun.chen@windriver.com> | 2013-10-23 09:31:22 (GMT) |
|---|---|---|
| committer | Jose Rivera <German.Rivera@freescale.com> | 2014-03-28 13:55:32 (GMT) |
| commit | 2aa8a591e94656b8a7213d935b4663ba16bc8093 (patch) | |
| tree | 10962728d93bf70018d69214273540ec08df3ee2 | |
| parent | 3bc49f3459fa9652f9c282b8dbc6e9659c806792 (diff) | |
| download | linux-fsl-qoriq-2aa8a591e94656b8a7213d935b4663ba16bc8093.tar.xz | |
powerpc/book3e: store crit/mc/dbg exception thread info
We need to store thread info to these exception thread info like something
we already did for PPC32.
Signed-off-by: Tiejun Chen <tiejun.chen@windriver.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
Change-Id: I4c41e2a6b7b9994a8f2015a175f8b5e5454af223
Reviewed-on: http://git.am.freescale.net:8181/10261
Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com>
Reviewed-by: Bharat Bhushan <Bharat.Bhushan@freescale.com>
Reviewed-by: Jose Rivera <German.Rivera@freescale.com>
| -rw-r--r-- | arch/powerpc/kernel/exceptions-64e.S | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S index 3eab121..5bf9948 100644 --- a/arch/powerpc/kernel/exceptions-64e.S +++ b/arch/powerpc/kernel/exceptions-64e.S @@ -36,6 +36,19 @@ */ #define SPECIAL_EXC_FRAME_SIZE INT_FRAME_SIZE +/* Now we only store something to exception thread info */ +#define EXC_LEVEL_EXCEPTION_PROLOG(type) \ + ld r14,PACAKSAVE(r13); \ + CURRENT_THREAD_INFO(r14, r14); \ + CURRENT_THREAD_INFO(r15, r1); \ + ld r10,TI_FLAGS(r14); \ + std r10,TI_FLAGS(r15); \ + ld r10,TI_PREEMPT(r14); \ + std r10,TI_PREEMPT(r15); \ + ld r10,TI_TASK(r14); \ + std r10,TI_TASK(r15); + + /* Exception prolog code for all exceptions */ #define EXCEPTION_PROLOG(n, intnum, type, addition) \ mtspr SPRN_SPRG_##type##_SCRATCH,r13; /* get spare registers */ \ @@ -69,19 +82,22 @@ #define CRIT_SET_KSTACK \ ld r1,PACA_CRIT_STACK(r13); \ - subi r1,r1,SPECIAL_EXC_FRAME_SIZE; + subi r1,r1,SPECIAL_EXC_FRAME_SIZE; \ + EXC_LEVEL_EXCEPTION_PROLOG(CRIT); #define SPRN_CRIT_SRR0 SPRN_CSRR0 #define SPRN_CRIT_SRR1 SPRN_CSRR1 #define DBG_SET_KSTACK \ ld r1,PACA_DBG_STACK(r13); \ - subi r1,r1,SPECIAL_EXC_FRAME_SIZE; + subi r1,r1,SPECIAL_EXC_FRAME_SIZE; \ + EXC_LEVEL_EXCEPTION_PROLOG(DBG); #define SPRN_DBG_SRR0 SPRN_DSRR0 #define SPRN_DBG_SRR1 SPRN_DSRR1 #define MC_SET_KSTACK \ ld r1,PACA_MC_STACK(r13); \ - subi r1,r1,SPECIAL_EXC_FRAME_SIZE; + subi r1,r1,SPECIAL_EXC_FRAME_SIZE; \ + EXC_LEVEL_EXCEPTION_PROLOG(MC); #define SPRN_MC_SRR0 SPRN_MCSRR0 #define SPRN_MC_SRR1 SPRN_MCSRR1 |