diff options
Diffstat (limited to 'target-arm')
| -rw-r--r-- | target-arm/cpu.h | 13 | ||||
| -rw-r--r-- | target-arm/helper.c | 28 |
2 files changed, 29 insertions, 12 deletions
diff --git a/target-arm/cpu.h b/target-arm/cpu.h index 0eaf981b58..1906fc1fa6 100644 --- a/target-arm/cpu.h +++ b/target-arm/cpu.h @@ -227,8 +227,17 @@ typedef struct CPUARMState { TCR tcr_el[4]; uint32_t c2_data; /* MPU data cachable bits. */ uint32_t c2_insn; /* MPU instruction cachable bits. */ - uint32_t c3; /* MMU domain access control register - MPU write buffer control. */ + union { /* MMU domain access control register + * MPU write buffer control. + */ + struct { + uint64_t dacr_ns; + uint64_t dacr_s; + }; + struct { + uint64_t dacr32_el2; + }; + }; uint32_t pmsav5_data_ap; /* PMSAv5 MPU data access permissions */ uint32_t pmsav5_insn_ap; /* PMSAv5 MPU insn access permissions */ uint64_t hcr_el2; /* Hypervisor configuration register */ diff --git a/target-arm/helper.c b/target-arm/helper.c index b80608c616..ad9481ceef 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -440,10 +440,12 @@ static const ARMCPRegInfo not_v8_cp_reginfo[] = { * definitions that don't use CP_ANY wildcards (mostly in v8_cp_reginfo[]). */ /* MMU Domain access control / MPU write buffer control */ - { .name = "DACR", .cp = 15, - .crn = 3, .crm = CP_ANY, .opc1 = CP_ANY, .opc2 = CP_ANY, - .access = PL1_RW, .fieldoffset = offsetof(CPUARMState, cp15.c3), - .resetvalue = 0, .writefn = dacr_write, .raw_writefn = raw_write, }, + { .name = "DACR", + .cp = 15, .opc1 = CP_ANY, .crn = 3, .crm = CP_ANY, .opc2 = CP_ANY, + .access = PL1_RW, .resetvalue = 0, + .writefn = dacr_write, .raw_writefn = raw_write, + .bank_fieldoffsets = { offsetoflow32(CPUARMState, cp15.dacr_s), + offsetoflow32(CPUARMState, cp15.dacr_ns) } }, /* ??? This covers not just the impdef TLB lockdown registers but also * some v7VMSA registers relating to TEX remap, so it is overly broad. */ @@ -2257,10 +2259,11 @@ static const ARMCPRegInfo v8_cp_reginfo[] = { { .name = "DCCISW", .cp = 15, .opc1 = 0, .crn = 7, .crm = 14, .opc2 = 2, .type = ARM_CP_NOP, .access = PL1_W }, /* MMU Domain access control / MPU write buffer control */ - { .name = "DACR", .cp = 15, - .opc1 = 0, .crn = 3, .crm = 0, .opc2 = 0, - .access = PL1_RW, .fieldoffset = offsetof(CPUARMState, cp15.c3), - .resetvalue = 0, .writefn = dacr_write, .raw_writefn = raw_write, }, + { .name = "DACR", .cp = 15, .opc1 = 0, .crn = 3, .crm = 0, .opc2 = 0, + .access = PL1_RW, .resetvalue = 0, + .writefn = dacr_write, .raw_writefn = raw_write, + .bank_fieldoffsets = { offsetoflow32(CPUARMState, cp15.dacr_s), + offsetoflow32(CPUARMState, cp15.dacr_ns) } }, { .name = "ELR_EL1", .state = ARM_CP_STATE_AA64, .type = ARM_CP_NO_MIGRATE, .opc0 = 3, .opc1 = 0, .crn = 4, .crm = 0, .opc2 = 1, @@ -2330,6 +2333,11 @@ static const ARMCPRegInfo v8_el2_cp_reginfo[] = { .opc0 = 3, .opc1 = 4, .crn = 1, .crm = 1, .opc2 = 0, .access = PL2_RW, .fieldoffset = offsetof(CPUARMState, cp15.hcr_el2), .writefn = hcr_write }, + { .name = "DACR32_EL2", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 4, .crn = 3, .crm = 0, .opc2 = 0, + .access = PL2_RW, .resetvalue = 0, + .writefn = dacr_write, .raw_writefn = raw_write, + .fieldoffset = offsetof(CPUARMState, cp15.dacr32_el2) }, { .name = "ELR_EL2", .state = ARM_CP_STATE_AA64, .type = ARM_CP_NO_MIGRATE, .opc0 = 3, .opc1 = 4, .crn = 4, .crm = 0, .opc2 = 1, @@ -4517,7 +4525,7 @@ static int get_phys_addr_v5(CPUARMState *env, uint32_t address, int access_type, desc = ldl_phys(cs->as, table); type = (desc & 3); domain = (desc >> 5) & 0x0f; - domain_prot = (env->cp15.c3 >> (domain * 2)) & 3; + domain_prot = (A32_BANKED_CURRENT_REG_GET(env, dacr) >> (domain * 2)) & 3; if (type == 0) { /* Section translation fault. */ code = 5; @@ -4629,7 +4637,7 @@ static int get_phys_addr_v6(CPUARMState *env, uint32_t address, int access_type, /* Page or Section. */ domain = (desc >> 5) & 0x0f; } - domain_prot = (env->cp15.c3 >> (domain * 2)) & 3; + domain_prot = (A32_BANKED_CURRENT_REG_GET(env, dacr) >> (domain * 2)) & 3; if (domain_prot == 0 || domain_prot == 2) { if (type != 1) { code = 9; /* Section domain fault. */ |