These registers are required in TCG because they are migrated by KVM: their absence from the cpreg table leads to a migration failure.
Signed-off-by: Alvise Rigo <a.r...@virtualopensystems.com> --- target-arm/cpu.h | 1 + target-arm/helper.c | 9 +++++++++ 2 files changed, 10 insertions(+) diff --git a/target-arm/cpu.h b/target-arm/cpu.h index adcfa42..2381fc5 100644 --- a/target-arm/cpu.h +++ b/target-arm/cpu.h @@ -170,6 +170,7 @@ typedef struct CPUARMState { /* System control coprocessor (cp15) */ struct { uint32_t c0_cpuid; + uint32_t c0_revid; uint64_t c0_cssel; /* Cache size selection. */ uint64_t c1_sys; /* System control register. */ uint64_t c1_coproc; /* Coprocessor access register. */ diff --git a/target-arm/helper.c b/target-arm/helper.c index daa707e..1fec33a 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -1456,6 +1456,10 @@ static const ARMCPRegInfo vmsa_cp_reginfo[] = { { .name = "IFSR", .cp = 15, .crn = 5, .crm = 0, .opc1 = 0, .opc2 = 1, .access = PL1_RW, .fieldoffset = offsetof(CPUARMState, cp15.c5_insn), .resetvalue = 0, }, + { .name = "ADFSR", .cp = 15, .crn = 5, .crm = 1, .opc1 = 0, .opc2 = 0, + .access = PL1_R, .resetvalue = 0, .type = ARM_CP_CONST, }, + { .name = "AIFSR", .cp = 15, .crn = 5, .crm = 1, .opc1 = 0, .opc2 = 1, + .access = PL1_R, .resetvalue = 0, .type = ARM_CP_CONST, }, { .name = "TTBR0_EL1", .state = ARM_CP_STATE_BOTH, .opc0 = 3, .crn = 2, .crm = 0, .opc1 = 0, .opc2 = 0, .access = PL1_RW, .fieldoffset = offsetof(CPUARMState, cp15.ttbr0_el1), @@ -2148,6 +2152,11 @@ void register_cp_regs_for_features(ARMCPU *cpu) .writefn = arm_cp_write_ignore, .raw_writefn = raw_write, .fieldoffset = offsetof(CPUARMState, cp15.c0_cpuid), .type = ARM_CP_OVERRIDE }, + { .name = "REVIDR", + .cp = 15, .crn = 0, .crm = 0, .opc1 = 0, .opc2 = 6, + .access = PL1_R, .resetvalue = 0, + .writefn = arm_cp_write_ignore, .raw_writefn = raw_write, + .fieldoffset = offsetof(CPUARMState, cp15.c0_revid),}, { .name = "MIDR_EL1", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 0, .opc2 = 0, .crn = 0, .crm = 0, .access = PL1_R, .resetvalue = cpu->midr, .type = ARM_CP_CONST }, -- 1.8.3.2