diff options
| -rw-r--r-- | target-arm/helper.c | 95 |
1 files changed, 42 insertions, 53 deletions
diff --git a/target-arm/helper.c b/target-arm/helper.c index 3fe5822f61..65f4fbf98e 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -53,7 +53,6 @@ static void cpu_reset_model_id(CPUARMState *env, uint32_t id) env->cp15.c0_cpuid = id; switch (id) { case ARM_CPUID_ARM926: - set_feature(env, ARM_FEATURE_V4T); set_feature(env, ARM_FEATURE_V5); set_feature(env, ARM_FEATURE_VFP); env->vfp.xregs[ARM_VFP_FPSID] = 0x41011090; @@ -61,14 +60,12 @@ static void cpu_reset_model_id(CPUARMState *env, uint32_t id) env->cp15.c1_sys = 0x00090078; break; case ARM_CPUID_ARM946: - set_feature(env, ARM_FEATURE_V4T); set_feature(env, ARM_FEATURE_V5); set_feature(env, ARM_FEATURE_MPU); env->cp15.c0_cachetype = 0x0f004006; env->cp15.c1_sys = 0x00000078; break; case ARM_CPUID_ARM1026: - set_feature(env, ARM_FEATURE_V4T); set_feature(env, ARM_FEATURE_V5); set_feature(env, ARM_FEATURE_VFP); set_feature(env, ARM_FEATURE_AUXCR); @@ -85,11 +82,8 @@ static void cpu_reset_model_id(CPUARMState *env, uint32_t id) * older core than plain "arm1136". In particular this does not * have the v6K features. */ - set_feature(env, ARM_FEATURE_V4T); - set_feature(env, ARM_FEATURE_V5); set_feature(env, ARM_FEATURE_V6); set_feature(env, ARM_FEATURE_VFP); - set_feature(env, ARM_FEATURE_AUXCR); /* These ID register values are correct for 1136 but may be wrong * for 1136_r2 (in particular r0p2 does not actually implement most * of the ID registers). @@ -103,12 +97,8 @@ static void cpu_reset_model_id(CPUARMState *env, uint32_t id) env->cp15.c1_sys = 0x00050078; break; case ARM_CPUID_ARM1176: - set_feature(env, ARM_FEATURE_V4T); - set_feature(env, ARM_FEATURE_V5); - set_feature(env, ARM_FEATURE_V6); set_feature(env, ARM_FEATURE_V6K); set_feature(env, ARM_FEATURE_VFP); - set_feature(env, ARM_FEATURE_AUXCR); set_feature(env, ARM_FEATURE_VAPA); env->vfp.xregs[ARM_VFP_FPSID] = 0x410120b5; env->vfp.xregs[ARM_VFP_MVFR0] = 0x11111111; @@ -119,12 +109,8 @@ static void cpu_reset_model_id(CPUARMState *env, uint32_t id) env->cp15.c1_sys = 0x00050078; break; case ARM_CPUID_ARM11MPCORE: - set_feature(env, ARM_FEATURE_V4T); - set_feature(env, ARM_FEATURE_V5); - set_feature(env, ARM_FEATURE_V6); set_feature(env, ARM_FEATURE_V6K); set_feature(env, ARM_FEATURE_VFP); - set_feature(env, ARM_FEATURE_AUXCR); set_feature(env, ARM_FEATURE_VAPA); env->vfp.xregs[ARM_VFP_FPSID] = 0x410120b4; env->vfp.xregs[ARM_VFP_MVFR0] = 0x11111111; @@ -134,14 +120,7 @@ static void cpu_reset_model_id(CPUARMState *env, uint32_t id) env->cp15.c0_cachetype = 0x1dd20d2; break; case ARM_CPUID_CORTEXA8: - set_feature(env, ARM_FEATURE_V4T); - set_feature(env, ARM_FEATURE_V5); - set_feature(env, ARM_FEATURE_V6); - set_feature(env, ARM_FEATURE_V6K); set_feature(env, ARM_FEATURE_V7); - set_feature(env, ARM_FEATURE_AUXCR); - set_feature(env, ARM_FEATURE_THUMB2); - set_feature(env, ARM_FEATURE_VFP); set_feature(env, ARM_FEATURE_VFP3); set_feature(env, ARM_FEATURE_NEON); set_feature(env, ARM_FEATURE_THUMB2EE); @@ -158,14 +137,7 @@ static void cpu_reset_model_id(CPUARMState *env, uint32_t id) env->cp15.c1_sys = 0x00c50078; break; case ARM_CPUID_CORTEXA9: - set_feature(env, ARM_FEATURE_V4T); - set_feature(env, ARM_FEATURE_V5); - set_feature(env, ARM_FEATURE_V6); - set_feature(env, ARM_FEATURE_V6K); set_feature(env, ARM_FEATURE_V7); - set_feature(env, ARM_FEATURE_AUXCR); - set_feature(env, ARM_FEATURE_THUMB2); - set_feature(env, ARM_FEATURE_VFP); set_feature(env, ARM_FEATURE_VFP3); set_feature(env, ARM_FEATURE_VFP_FP16); set_feature(env, ARM_FEATURE_NEON); @@ -187,23 +159,11 @@ static void cpu_reset_model_id(CPUARMState *env, uint32_t id) env->cp15.c1_sys = 0x00c50078; break; case ARM_CPUID_CORTEXM3: - set_feature(env, ARM_FEATURE_V4T); - set_feature(env, ARM_FEATURE_V5); - set_feature(env, ARM_FEATURE_V6); - set_feature(env, ARM_FEATURE_THUMB2); set_feature(env, ARM_FEATURE_V7); set_feature(env, ARM_FEATURE_M); - set_feature(env, ARM_FEATURE_THUMB_DIV); break; case ARM_CPUID_ANY: /* For userspace emulation. */ - set_feature(env, ARM_FEATURE_V4T); - set_feature(env, ARM_FEATURE_V5); - set_feature(env, ARM_FEATURE_V6); - set_feature(env, ARM_FEATURE_V6K); set_feature(env, ARM_FEATURE_V7); - set_feature(env, ARM_FEATURE_THUMB2); - set_feature(env, ARM_FEATURE_VFP); - set_feature(env, ARM_FEATURE_VFP3); set_feature(env, ARM_FEATURE_VFP4); set_feature(env, ARM_FEATURE_VFP_FP16); set_feature(env, ARM_FEATURE_NEON); @@ -226,7 +186,6 @@ static void cpu_reset_model_id(CPUARMState *env, uint32_t id) case ARM_CPUID_PXA260: case ARM_CPUID_PXA261: case ARM_CPUID_PXA262: - set_feature(env, ARM_FEATURE_V4T); set_feature(env, ARM_FEATURE_V5); set_feature(env, ARM_FEATURE_XSCALE); /* JTAG_ID is ((id << 28) | 0x09265013) */ @@ -239,7 +198,6 @@ static void cpu_reset_model_id(CPUARMState *env, uint32_t id) case ARM_CPUID_PXA270_B1: case ARM_CPUID_PXA270_C0: case ARM_CPUID_PXA270_C5: - set_feature(env, ARM_FEATURE_V4T); set_feature(env, ARM_FEATURE_V5); set_feature(env, ARM_FEATURE_XSCALE); /* JTAG_ID is ((id << 28) | 0x09265013) */ @@ -261,10 +219,37 @@ static void cpu_reset_model_id(CPUARMState *env, uint32_t id) /* Some features automatically imply others: */ if (arm_feature(env, ARM_FEATURE_V7)) { set_feature(env, ARM_FEATURE_VAPA); + set_feature(env, ARM_FEATURE_THUMB2); + if (!arm_feature(env, ARM_FEATURE_M)) { + set_feature(env, ARM_FEATURE_V6K); + } else { + set_feature(env, ARM_FEATURE_V6); + } + } + if (arm_feature(env, ARM_FEATURE_V6K)) { + set_feature(env, ARM_FEATURE_V6); + } + if (arm_feature(env, ARM_FEATURE_V6)) { + set_feature(env, ARM_FEATURE_V5); + if (!arm_feature(env, ARM_FEATURE_M)) { + set_feature(env, ARM_FEATURE_AUXCR); + } + } + if (arm_feature(env, ARM_FEATURE_V5)) { + set_feature(env, ARM_FEATURE_V4T); + } + if (arm_feature(env, ARM_FEATURE_M)) { + set_feature(env, ARM_FEATURE_THUMB_DIV); } if (arm_feature(env, ARM_FEATURE_ARM_DIV)) { set_feature(env, ARM_FEATURE_THUMB_DIV); } + if (arm_feature(env, ARM_FEATURE_VFP4)) { + set_feature(env, ARM_FEATURE_VFP3); + } + if (arm_feature(env, ARM_FEATURE_VFP3)) { + set_feature(env, ARM_FEATURE_VFP); + } } void cpu_reset(CPUARMState *env) @@ -951,13 +936,14 @@ void do_interrupt(CPUARMState *env) /* Check section/page access permissions. Returns the page protection flags, or zero if the access is not permitted. */ -static inline int check_ap(CPUState *env, int ap, int domain, int access_type, - int is_user) +static inline int check_ap(CPUState *env, int ap, int domain_prot, + int access_type, int is_user) { int prot_ro; - if (domain == 3) + if (domain_prot == 3) { return PAGE_READ | PAGE_WRITE; + } if (access_type == 1) prot_ro = 0; @@ -1023,6 +1009,7 @@ static int get_phys_addr_v5(CPUState *env, uint32_t address, int access_type, int type; int ap; int domain; + int domain_prot; uint32_t phys_addr; /* Pagetable walk. */ @@ -1030,13 +1017,14 @@ static int get_phys_addr_v5(CPUState *env, uint32_t address, int access_type, table = get_level1_table_address(env, address); desc = ldl_phys(table); type = (desc & 3); - domain = (env->cp15.c3 >> ((desc >> 4) & 0x1e)) & 3; + domain = (desc >> 5) & 0x0f; + domain_prot = (env->cp15.c3 >> (domain * 2)) & 3; if (type == 0) { /* Section translation fault. */ code = 5; goto do_fault; } - if (domain == 0 || domain == 2) { + if (domain_prot == 0 || domain_prot == 2) { if (type == 2) code = 9; /* Section domain fault. */ else @@ -1094,7 +1082,7 @@ static int get_phys_addr_v5(CPUState *env, uint32_t address, int access_type, } code = 15; } - *prot = check_ap(env, ap, domain, access_type, is_user); + *prot = check_ap(env, ap, domain_prot, access_type, is_user); if (!*prot) { /* Access permission fault. */ goto do_fault; @@ -1117,6 +1105,7 @@ static int get_phys_addr_v6(CPUState *env, uint32_t address, int access_type, int type; int ap; int domain; + int domain_prot; uint32_t phys_addr; /* Pagetable walk. */ @@ -1134,10 +1123,10 @@ static int get_phys_addr_v6(CPUState *env, uint32_t address, int access_type, domain = 0; } else { /* Section or page. */ - domain = (desc >> 4) & 0x1e; + domain = (desc >> 5) & 0x0f; } - domain = (env->cp15.c3 >> domain) & 3; - if (domain == 0 || domain == 2) { + domain_prot = (env->cp15.c3 >> (domain * 2)) & 3; + if (domain_prot == 0 || domain_prot == 2) { if (type == 2) code = 9; /* Section domain fault. */ else @@ -1182,7 +1171,7 @@ static int get_phys_addr_v6(CPUState *env, uint32_t address, int access_type, } code = 15; } - if (domain == 3) { + if (domain_prot == 3) { *prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC; } else { if (xn && access_type == 2) @@ -1194,7 +1183,7 @@ static int get_phys_addr_v6(CPUState *env, uint32_t address, int access_type, code = (code == 15) ? 6 : 3; goto do_fault; } - *prot = check_ap(env, ap, domain, access_type, is_user); + *prot = check_ap(env, ap, domain_prot, access_type, is_user); if (!*prot) { /* Access permission fault. */ goto do_fault; |