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microblaze: At swx, check that the reserved word is unmodified

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This improves the reservation check for system emulation, making
it possible to catch stores that modify reserved word.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
This commit is contained in:
Edgar E. Iglesias 2013-10-23 16:54:31 +02:00
parent 4a53627045
commit 11a7621763
2 changed files with 17 additions and 0 deletions
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target-microblaze/cpu.h
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@ -246,6 +246,7 @@ struct CPUMBState {
/* lwx/swx reserved address */
#define RES_ADDR_NONE 0xffffffff /* Use 0xffffffff to indicate no reservation */
uint32_t res_addr;
uint32_t res_val;
/* Internal flags. */
#define IMM_FLAG 4