diff options
Diffstat (limited to 'target/riscv/cpu.h')
| -rw-r--r-- | target/riscv/cpu.h | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index f63ee9cc58..f52dce78ba 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -69,6 +69,7 @@ typedef struct CPUArchState CPURISCVState; #define RVH RV('H') #define RVJ RV('J') #define RVG RV('G') +#define RVB RV('B') extern const uint32_t misa_bits[]; const char *riscv_get_misa_ext_name(uint32_t bit); @@ -93,6 +94,9 @@ typedef struct riscv_cpu_profile { extern RISCVCPUProfile *riscv_profiles[]; /* Privileged specification version */ +#define PRIV_VER_1_10_0_STR "v1.10.0" +#define PRIV_VER_1_11_0_STR "v1.11.0" +#define PRIV_VER_1_12_0_STR "v1.12.0" enum { PRIV_VERSION_1_10_0 = 0, PRIV_VERSION_1_11_0, @@ -102,6 +106,7 @@ enum { }; #define VEXT_VERSION_1_00_0 0x00010000 +#define VEXT_VER_1_00_0_STR "v1.0" enum { TRANSLATE_SUCCESS, @@ -180,12 +185,10 @@ struct CPUArchState { target_ulong guest_phys_fault_addr; target_ulong priv_ver; - target_ulong bext_ver; target_ulong vext_ver; /* RISCVMXL, but uint32_t for vmstate migration */ uint32_t misa_mxl; /* current mxl */ - uint32_t misa_mxl_max; /* max mxl for this cpu */ uint32_t misa_ext; /* current extensions */ uint32_t misa_ext_mask; /* max ext for this cpu */ uint32_t xl; /* current xlen */ @@ -361,6 +364,7 @@ struct CPUArchState { target_ulong tdata1[RV_MAX_TRIGGERS]; target_ulong tdata2[RV_MAX_TRIGGERS]; target_ulong tdata3[RV_MAX_TRIGGERS]; + target_ulong mcontext; struct CPUBreakpoint *cpu_breakpoint[RV_MAX_TRIGGERS]; struct CPUWatchpoint *cpu_watchpoint[RV_MAX_TRIGGERS]; QEMUTimer *itrigger_timer[RV_MAX_TRIGGERS]; @@ -466,6 +470,7 @@ struct RISCVCPUClass { DeviceRealize parent_realize; ResettablePhases parent_phases; + uint32_t misa_mxl_max; /* max mxl for this cpu */ }; static inline int riscv_has_ext(CPURISCVState *env, target_ulong ext) @@ -506,8 +511,11 @@ bool riscv_cpu_tlb_fill(CPUState *cs, vaddr address, int size, MMUAccessType access_type, int mmu_idx, bool probe, uintptr_t retaddr); char *riscv_isa_string(RISCVCPU *cpu); +int riscv_cpu_max_xlen(RISCVCPUClass *mcc); +bool riscv_cpu_option_set(const char *optname); #ifndef CONFIG_USER_ONLY +void riscv_isa_write_fdt(RISCVCPU *cpu, void *fdt, char *nodename); void riscv_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr, vaddr addr, unsigned size, MMUAccessType access_type, @@ -682,11 +690,17 @@ static inline RISCVMXL riscv_cpu_sxl(CPURISCVState *env) * = 256 >> 7 * = 2 */ -static inline uint32_t vext_get_vlmax(RISCVCPU *cpu, target_ulong vtype) +static inline uint32_t vext_get_vlmax(uint32_t vlenb, uint32_t vsew, + int8_t lmul) { - uint8_t sew = FIELD_EX64(vtype, VTYPE, VSEW); - int8_t lmul = sextract32(FIELD_EX64(vtype, VTYPE, VLMUL), 0, 3); - return cpu->cfg.vlen >> (sew + 3 - lmul); + uint32_t vlen = vlenb << 3; + + /* + * We need to use 'vlen' instead of 'vlenb' to + * preserve the '+ 3' in the formula. Otherwise + * we risk a negative shift if vsew < lmul. + */ + return vlen >> (vsew + 3 - lmul); } void cpu_get_tb_cpu_state(CPURISCVState *env, vaddr *pc, @@ -769,7 +783,8 @@ enum riscv_pmu_event_idx { /* used by tcg/tcg-cpu.c*/ void isa_ext_update_enabled(RISCVCPU *cpu, uint32_t ext_offset, bool en); bool isa_ext_is_enabled(RISCVCPU *cpu, uint32_t ext_offset); -void riscv_cpu_set_misa(CPURISCVState *env, RISCVMXL mxl, uint32_t ext); +void riscv_cpu_set_misa_ext(CPURISCVState *env, uint32_t ext); +bool riscv_cpu_is_vendor(Object *cpu_obj); typedef struct RISCVCPUMultiExtConfig { const char *name; @@ -782,7 +797,6 @@ extern const RISCVCPUMultiExtConfig riscv_cpu_vendor_exts[]; extern const RISCVCPUMultiExtConfig riscv_cpu_experimental_exts[]; extern const RISCVCPUMultiExtConfig riscv_cpu_named_features[]; extern const RISCVCPUMultiExtConfig riscv_cpu_deprecated_exts[]; -extern Property riscv_cpu_options[]; typedef struct isa_ext_data { const char *name; |