diff options
Diffstat (limited to 'target/riscv/cpu.h')
| -rw-r--r-- | target/riscv/cpu.h | 58 |
1 files changed, 56 insertions, 2 deletions
diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index 4d63086765..55635d68d5 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -47,6 +47,7 @@ #define TYPE_RISCV_CPU_SIFIVE_E51 RISCV_CPU_TYPE_NAME("sifive-e51") #define TYPE_RISCV_CPU_SIFIVE_U34 RISCV_CPU_TYPE_NAME("sifive-u34") #define TYPE_RISCV_CPU_SIFIVE_U54 RISCV_CPU_TYPE_NAME("sifive-u54") +#define TYPE_RISCV_CPU_HOST RISCV_CPU_TYPE_NAME("host") #if defined(TARGET_RISCV32) # define TYPE_RISCV_CPU_BASE TYPE_RISCV_CPU_BASE32 @@ -110,7 +111,6 @@ FIELD(VTYPE, VTA, 6, 1) FIELD(VTYPE, VMA, 7, 1) FIELD(VTYPE, VEDIV, 8, 2) FIELD(VTYPE, RESERVED, 10, sizeof(target_ulong) * 8 - 11) -FIELD(VTYPE, VILL, sizeof(target_ulong) * 8 - 1, 1) struct CPURISCVState { target_ulong gpr[32]; @@ -124,6 +124,7 @@ struct CPURISCVState { target_ulong vl; target_ulong vstart; target_ulong vtype; + bool vill; target_ulong pc; target_ulong load_res; @@ -145,6 +146,7 @@ struct CPURISCVState { 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 */ /* 128-bit helpers upper part return value */ target_ulong retxh; @@ -264,11 +266,23 @@ struct CPURISCVState { target_ulong upmmask; target_ulong upmbase; #endif + target_ulong cur_pmmask; + target_ulong cur_pmbase; float_status fp_status; /* Fields from here on are preserved across CPU reset. */ QEMUTimer *timer; /* Internal timer */ + + hwaddr kernel_addr; + hwaddr fdt_addr; + + /* kvm timer */ + bool kvm_timer_dirty; + uint64_t kvm_timer_time; + uint64_t kvm_timer_compare; + uint64_t kvm_timer_state; + uint64_t kvm_timer_frequency; }; OBJECT_DECLARE_TYPE(RISCVCPU, RISCVCPUClass, @@ -329,6 +343,8 @@ struct RISCVCPU { bool ext_icsr; bool ext_zfh; bool ext_zfhmin; + bool ext_zve32f; + bool ext_zve64f; char *priv_spec; char *user_spec; @@ -432,7 +448,8 @@ FIELD(TB_FLAGS, MSTATUS_HS_VS, 18, 2) /* The combination of MXL/SXL/UXL that applies to the current cpu mode. */ FIELD(TB_FLAGS, XL, 20, 2) /* If PointerMasking should be applied */ -FIELD(TB_FLAGS, PM_ENABLED, 22, 1) +FIELD(TB_FLAGS, PM_MASK_ENABLED, 22, 1) +FIELD(TB_FLAGS, PM_BASE_ENABLED, 23, 1) #ifdef TARGET_RISCV32 #define riscv_cpu_mxl(env) ((void)(env), MXL_RV32) @@ -443,6 +460,41 @@ static inline RISCVMXL riscv_cpu_mxl(CPURISCVState *env) } #endif +#if defined(TARGET_RISCV32) +#define cpu_recompute_xl(env) ((void)(env), MXL_RV32) +#else +static inline RISCVMXL cpu_recompute_xl(CPURISCVState *env) +{ + RISCVMXL xl = env->misa_mxl; +#if !defined(CONFIG_USER_ONLY) + /* + * When emulating a 32-bit-only cpu, use RV32. + * When emulating a 64-bit cpu, and MXL has been reduced to RV32, + * MSTATUSH doesn't have UXL/SXL, therefore XLEN cannot be widened + * back to RV64 for lower privs. + */ + if (xl != MXL_RV32) { + switch (env->priv) { + case PRV_M: + break; + case PRV_U: + xl = get_field(env->mstatus, MSTATUS64_UXL); + break; + default: /* PRV_S | PRV_H */ + xl = get_field(env->mstatus, MSTATUS64_SXL); + break; + } + } +#endif + return xl; +} +#endif + +static inline int riscv_cpu_xlen(CPURISCVState *env) +{ + return 16 << env->xl; +} + /* * Encode LMUL to lmul as follows: * LMUL vlmul lmul @@ -471,6 +523,8 @@ static inline uint32_t vext_get_vlmax(RISCVCPU *cpu, target_ulong vtype) void cpu_get_tb_cpu_state(CPURISCVState *env, target_ulong *pc, target_ulong *cs_base, uint32_t *pflags); +void riscv_cpu_update_mask(CPURISCVState *env); + RISCVException riscv_csrrw(CPURISCVState *env, int csrno, target_ulong *ret_value, target_ulong new_value, target_ulong write_mask); |