diff options
Diffstat (limited to 'target-sparc/cpu.h')
| -rw-r--r-- | target-sparc/cpu.h | 31 |
1 files changed, 25 insertions, 6 deletions
diff --git a/target-sparc/cpu.h b/target-sparc/cpu.h index 6bf9275a74..ce1e66857a 100644 --- a/target-sparc/cpu.h +++ b/target-sparc/cpu.h @@ -335,6 +335,27 @@ enum { #define SFSR_CT_NOTRANS (3ULL << 4) #define SFSR_CT_MASK (3ULL << 4) +/* Leon3 cache control */ + +/* Cache control: emulate the behavior of cache control registers but without + any effect on the emulated */ + +#define CACHE_STATE_MASK 0x3 +#define CACHE_DISABLED 0x0 +#define CACHE_FROZEN 0x1 +#define CACHE_ENABLED 0x3 + +/* Cache Control register fields */ + +#define CACHE_CTRL_IF (1 << 4) /* Instruction Cache Freeze on Interrupt */ +#define CACHE_CTRL_DF (1 << 5) /* Data Cache Freeze on Interrupt */ +#define CACHE_CTRL_DP (1 << 14) /* Data cache flush pending */ +#define CACHE_CTRL_IP (1 << 15) /* Instruction cache flush pending */ +#define CACHE_CTRL_IB (1 << 16) /* Instruction burst fetch */ +#define CACHE_CTRL_FI (1 << 21) /* Flush Instruction cache (Write only) */ +#define CACHE_CTRL_FD (1 << 22) /* Flush Data cache (Write only) */ +#define CACHE_CTRL_DS (1 << 23) /* Data cache snoop enable */ + typedef struct SparcTLBEntry { uint64_t tag; uint64_t tte; @@ -478,7 +499,7 @@ typedef struct CPUSPARCState { sparc_def_t *def; void *irq_manager; - void (*qemu_irq_ack) (void *irq_manager, int intno); + void (*qemu_irq_ack)(CPUState *env, void *irq_manager, int intno); /* Leon3 cache control */ uint32_t cache_control; @@ -523,8 +544,9 @@ int cpu_cwp_inc(CPUState *env1, int cwp); int cpu_cwp_dec(CPUState *env1, int cwp); void cpu_set_cwp(CPUState *env1, int new_cwp); -/* op_helper.c */ -void leon3_irq_manager(void *irq_manager, int intno); +/* int_helper.c */ +void do_interrupt(CPUState *env); +void leon3_irq_manager(CPUState *env, void *irq_manager, int intno); /* sun4m.c, sun4u.c */ void cpu_check_irqs(CPUSPARCState *env); @@ -721,9 +743,6 @@ static inline bool tb_am_enabled(int tb_flags) #endif } -/* helper.c */ -void do_interrupt(CPUState *env); - static inline bool cpu_has_work(CPUState *env1) { return (env1->interrupt_request & CPU_INTERRUPT_HARD) && |