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microblaze: Emulate the hw stackprotector

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Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
This commit is contained in:
Edgar E. Iglesias 2012-01-10 10:27:11 +01:00
parent 48b5e96f0f
commit 5818dee572
4 changed files with 48 additions and 0 deletions
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3
target-microblaze/cpu.h
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@ -93,6 +93,7 @@ struct CPUMBState;
#define ESR_EC_DIVZERO 5
#define ESR_EC_FPU 6
#define ESR_EC_PRIVINSN 7
#define ESR_EC_STACKPROT 7 /* Same as PRIVINSN. */
#define ESR_EC_DATA_STORAGE 8
#define ESR_EC_INSN_STORAGE 9
#define ESR_EC_DATA_TLB 10
@ -235,6 +236,8 @@ typedef struct CPUMBState {
uint32_t regs[33];
uint32_t sregs[24];
float_status fp_status;
/* Stack protectors. Yes, it's a hw feature. */
uint32_t slr, shr;
/* Internal flags. */
#define IMM_FLAG 4