diff options
Diffstat (limited to 'target/microblaze/cpu.h')
| -rw-r--r-- | target/microblaze/cpu.h | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/target/microblaze/cpu.h b/target/microblaze/cpu.h index 5be71bc320..3c4e0ba80a 100644 --- a/target/microblaze/cpu.h +++ b/target/microblaze/cpu.h @@ -23,7 +23,7 @@ #include "qemu-common.h" #include "cpu-qom.h" -#define TARGET_LONG_BITS 32 +#define TARGET_LONG_BITS 64 #define CPUArchState struct CPUMBState @@ -203,6 +203,7 @@ typedef struct CPUMBState CPUMBState; /* Target family PVR mask */ #define PVR10_TARGET_FAMILY_MASK 0xFF000000 +#define PVR10_ASIZE_SHIFT 18 /* MMU descrtiption */ #define PVR11_USE_MMU 0xC0000000 @@ -238,19 +239,19 @@ typedef struct CPUMBState CPUMBState; struct CPUMBState { uint32_t debug; uint32_t btaken; - uint32_t btarget; + uint64_t btarget; uint32_t bimm; uint32_t imm; - uint32_t regs[33]; - uint32_t sregs[24]; + uint32_t regs[32]; + uint64_t sregs[14]; float_status fp_status; /* Stack protectors. Yes, it's a hw feature. */ uint32_t slr, shr; /* lwx/swx reserved address */ #define RES_ADDR_NONE 0xffffffff /* Use 0xffffffff to indicate no reservation */ - uint32_t res_addr; + target_ulong res_addr; uint32_t res_val; /* Internal flags. */ @@ -277,7 +278,7 @@ struct CPUMBState { /* These fields are preserved on reset. */ struct { - uint32_t regs[16]; + uint32_t regs[13]; } pvr; }; @@ -297,6 +298,7 @@ struct MicroBlazeCPU { struct { bool stackprot; uint32_t base_vectors; + uint8_t addr_size; uint8_t use_fpu; uint8_t use_hw_mul; bool use_barrel; @@ -340,8 +342,8 @@ int cpu_mb_signal_handler(int host_signum, void *pinfo, /* FIXME: MB uses variable pages down to 1K but linux only uses 4k. */ #define TARGET_PAGE_BITS 12 -#define TARGET_PHYS_ADDR_SPACE_BITS 32 -#define TARGET_VIRT_ADDR_SPACE_BITS 32 +#define TARGET_PHYS_ADDR_SPACE_BITS 64 +#define TARGET_VIRT_ADDR_SPACE_BITS 64 #define CPU_RESOLVING_TYPE TYPE_MICROBLAZE_CPU @@ -358,13 +360,17 @@ int cpu_mb_signal_handler(int host_signum, void *pinfo, static inline int cpu_mmu_index (CPUMBState *env, bool ifetch) { - /* Are we in nommu mode?. */ - if (!(env->sregs[SR_MSR] & MSR_VM)) - return MMU_NOMMU_IDX; + MicroBlazeCPU *cpu = mb_env_get_cpu(env); - if (env->sregs[SR_MSR] & MSR_UM) - return MMU_USER_IDX; - return MMU_KERNEL_IDX; + /* Are we in nommu mode?. */ + if (!(env->sregs[SR_MSR] & MSR_VM) || !cpu->cfg.use_mmu) { + return MMU_NOMMU_IDX; + } + + if (env->sregs[SR_MSR] & MSR_UM) { + return MMU_USER_IDX; + } + return MMU_KERNEL_IDX; } int mb_cpu_handle_mmu_fault(CPUState *cpu, vaddr address, int size, int rw, |