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authorbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2005-12-05 19:59:36 +0000
committerbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2005-12-05 19:59:36 +0000
commit4ad40f366f20f6991b640d7af63c9fc3a59246fa (patch)
treec895253e1b6f236ff8d874b7ac7fddf98e486795 /target-mips/cpu.h
parent6810e154907c4ed3883f3f9fc03507fe45a679ea (diff)
MIPS fixes (Daniel Jacobowitz)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1690 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-mips/cpu.h')
-rw-r--r--target-mips/cpu.h31
1 files changed, 18 insertions, 13 deletions
diff --git a/target-mips/cpu.h b/target-mips/cpu.h
index 3314c9d91b..5e4b91dcc3 100644
--- a/target-mips/cpu.h
+++ b/target-mips/cpu.h
@@ -1,6 +1,8 @@
#if !defined (__MIPS_CPU_H__)
#define __MIPS_CPU_H__
+#define TARGET_HAS_ICE 1
+
#include "mips-defs.h"
#include "cpu-defs.h"
#include "config.h"
@@ -18,6 +20,7 @@ typedef struct tlb_t tlb_t;
struct tlb_t {
target_ulong VPN;
target_ulong end;
+ target_ulong end2;
uint8_t ASID;
uint8_t G;
uint8_t C[2];
@@ -151,18 +154,20 @@ struct CPUMIPSState {
#define MIPS_HFLAG_DM 0x0008 /* Debug mode */
#define MIPS_HFLAG_SM 0x0010 /* Supervisor mode */
#define MIPS_HFLAG_RE 0x0040 /* Reversed endianness */
-#define MIPS_HFLAG_DS 0x0080 /* In / out of delay slot */
- /* Those flags keep the branch state if the translation is interrupted
- * between the branch instruction and the delay slot
- */
-#define MIPS_HFLAG_BMASK 0x0F00
-#define MIPS_HFLAG_B 0x0100 /* Unconditional branch */
-#define MIPS_HFLAG_BC 0x0200 /* Conditional branch */
-#define MIPS_HFLAG_BL 0x0400 /* Likely branch */
-#define MIPS_HFLAG_BR 0x0800 /* branch to register (can't link TB) */
+ /* If translation is interrupted between the branch instruction and
+ * the delay slot, record what type of branch it is so that we can
+ * resume translation properly. It might be possible to reduce
+ * this from three bits to two. */
+#define MIPS_HFLAG_BMASK 0x0380
+#define MIPS_HFLAG_B 0x0080 /* Unconditional branch */
+#define MIPS_HFLAG_BC 0x0100 /* Conditional branch */
+#define MIPS_HFLAG_BL 0x0180 /* Likely branch */
+#define MIPS_HFLAG_BR 0x0200 /* branch to register (can't link TB) */
target_ulong btarget; /* Jump / branch target */
int bcond; /* Branch condition (if needed) */
+ int halted; /* TRUE if the CPU is in suspend state */
+
CPU_COMMON
};
@@ -202,15 +207,15 @@ enum {
EXCP_IBE,
EXCP_DBp,
EXCP_SYSCALL,
- EXCP_BREAK,
- EXCP_CpU, /* 16 */
+ EXCP_BREAK, /* 16 */
+ EXCP_CpU,
EXCP_RI,
EXCP_OVERFLOW,
EXCP_TRAP,
EXCP_DDBS,
EXCP_DWATCH,
- EXCP_LAE, /* 22 */
- EXCP_SAE,
+ EXCP_LAE,
+ EXCP_SAE, /* 24 */
EXCP_LTLBL,
EXCP_TLBL,
EXCP_TLBS,