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| author | Edgar E. Iglesias <edgar.iglesias@gmail.com> | 2009-09-03 10:25:00 +0200 |
|---|---|---|
| committer | Edgar E. Iglesias <edgar.iglesias@gmail.com> | 2009-09-03 10:25:00 +0200 |
| commit | cedb936bfcc9b7fe9f7df58aa24ca191cba414fe (patch) | |
| tree | 6e1922f98a1a64966f2a6cf33c833b384fe1d73b /target-microblaze/cpu.h | |
| parent | a75cf0c52d353d90594007b69f27fcba1d5f1022 (diff) | |
| download | qemu-cedb936bfcc9b7fe9f7df58aa24ca191cba414fe.tar.gz | |
microblaze: Add infrastructure for supporting hw exceptions.
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Diffstat (limited to 'target-microblaze/cpu.h')
| -rw-r--r-- | target-microblaze/cpu.h | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/target-microblaze/cpu.h b/target-microblaze/cpu.h index a1c1a99ce1..5dc2b7d5c7 100644 --- a/target-microblaze/cpu.h +++ b/target-microblaze/cpu.h @@ -38,6 +38,7 @@ struct CPUMBState; #define EXCP_IRQ 3 #define EXCP_BREAK 4 #define EXCP_HW_BREAK 5 +#define EXCP_HW_EXCP 6 /* Register aliases. R0 - R15 */ #define R_SP 1 @@ -77,7 +78,18 @@ struct CPUMBState; #define ESR_DIZ (1<<11) /* Zone Protection */ #define ESR_S (1<<10) /* Store instruction */ - +#define ESR_EC_FSL 0 +#define ESR_EC_UNALIGNED_DATA 1 +#define ESR_EC_ILLEGAL_OP 2 +#define ESR_EC_INSN_BUS 3 +#define ESR_EC_DATA_BUS 4 +#define ESR_EC_DIVZERO 5 +#define ESR_EC_FPU 6 +#define ESR_EC_PRIVINSN 7 +#define ESR_EC_DATA_STORAGE 8 +#define ESR_EC_INSN_STORAGE 9 +#define ESR_EC_DATA_TLB 10 +#define ESR_EC_INSN_TLB 11 /* Version reg. */ /* Basic PVR mask */ @@ -198,13 +210,15 @@ typedef struct CPUMBState { uint32_t sregs[24]; /* Internal flags. */ -#define IMM_FLAG 4 +#define IMM_FLAG 4 +#define MSR_EE_FLAG (1 << 8) #define DRTI_FLAG (1 << 16) #define DRTE_FLAG (1 << 17) #define DRTB_FLAG (1 << 18) #define D_FLAG (1 << 19) /* Bit in ESR. */ /* TB dependant CPUState. */ -#define IFLAGS_TB_MASK (D_FLAG | IMM_FLAG | DRTI_FLAG | DRTE_FLAG | DRTB_FLAG) +#define IFLAGS_TB_MASK (D_FLAG | IMM_FLAG | DRTI_FLAG \ + | DRTE_FLAG | DRTB_FLAG | MSR_EE_FLAG) uint32_t iflags; struct { @@ -306,6 +320,7 @@ static inline void cpu_get_tb_cpu_state(CPUState *env, target_ulong *pc, { *pc = env->sregs[SR_PC]; *cs_base = 0; + env->iflags |= env->sregs[SR_MSR] & MSR_EE; *flags = env->iflags & IFLAGS_TB_MASK; } #endif |