diff options
Diffstat (limited to 'target-sparc/cpu.h')
| -rw-r--r-- | target-sparc/cpu.h | 44 |
1 files changed, 33 insertions, 11 deletions
diff --git a/target-sparc/cpu.h b/target-sparc/cpu.h index 19de5ba334..38a707466c 100644 --- a/target-sparc/cpu.h +++ b/target-sparc/cpu.h @@ -3,16 +3,17 @@ #include "config.h" #include "qemu-common.h" +#include "bswap.h" #if !defined(TARGET_SPARC64) #define TARGET_LONG_BITS 32 -#define TARGET_FPREGS 32 +#define TARGET_DPREGS 16 #define TARGET_PAGE_BITS 12 /* 4k */ #define TARGET_PHYS_ADDR_SPACE_BITS 36 #define TARGET_VIRT_ADDR_SPACE_BITS 32 #else #define TARGET_LONG_BITS 64 -#define TARGET_FPREGS 64 +#define TARGET_DPREGS 32 #define TARGET_PAGE_BITS 13 /* 8k */ #define TARGET_PHYS_ADDR_SPACE_BITS 41 # ifdef TARGET_ABI32 @@ -335,6 +336,27 @@ 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; @@ -374,7 +396,7 @@ typedef struct CPUSPARCState { uint32_t psr; /* processor state register */ target_ulong fsr; /* FPU state register */ - float32 fpr[TARGET_FPREGS]; /* floating point registers */ + CPU_DoubleU fpr[TARGET_DPREGS]; /* floating point registers */ uint32_t cwp; /* index of current register window (extracted from PSR) */ #if !defined(TARGET_SPARC64) || defined(TARGET_ABI32) @@ -442,7 +464,6 @@ typedef struct CPUSPARCState { uint64_t prom_addr; #endif /* temporary float registers */ - float64 dt0, dt1; float128 qt0, qt1; float_status fp_status; #if defined(TARGET_SPARC64) @@ -478,17 +499,18 @@ 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; } CPUSPARCState; #ifndef NO_CPU_IO_DEFS -/* helper.c */ +/* cpu_init.c */ CPUSPARCState *cpu_sparc_init(const char *cpu_model); void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu); void sparc_cpu_list(FILE *f, fprintf_function cpu_fprintf); +/* mmu_helper.c */ int cpu_sparc_handle_mmu_fault(CPUSPARCState *env1, target_ulong address, int rw, int mmu_idx); #define cpu_handle_mmu_fault cpu_sparc_handle_mmu_fault @@ -508,7 +530,7 @@ void gen_intermediate_code_init(CPUSPARCState *env); /* cpu-exec.c */ int cpu_sparc_exec(CPUSPARCState *s); -/* op_helper.c */ +/* win_helper.c */ target_ulong cpu_get_psr(CPUState *env1); void cpu_put_psr(CPUState *env1, target_ulong val); #ifdef TARGET_SPARC64 @@ -521,7 +543,10 @@ void cpu_change_pstate(CPUState *env1, uint32_t new_pstate); 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); -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); @@ -718,9 +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) && |