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| author | Richard Henderson <richard.henderson@linaro.org> | 2020-02-07 14:04:21 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2020-02-07 14:04:21 +0000 |
| commit | ed30da8eee6906032b38a84e4807e2142b09d8ec (patch) | |
| tree | f4f48de5a47e22ac86c903378d54560af2d508e9 /target/arm/helper.c | |
| parent | e2a1a4616c86159eb4c07659a02fff8bb25d3729 (diff) | |
| download | focaccia-qemu-ed30da8eee6906032b38a84e4807e2142b09d8ec.tar.gz focaccia-qemu-ed30da8eee6906032b38a84e4807e2142b09d8ec.zip | |
target/arm: Add TTBR1_EL2
At the same time, add writefn to TTBR0_EL2 and TCR_EL2. A later patch will update any ASID therein. Tested-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20200206105448.4726-5-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/helper.c')
| -rw-r--r-- | target/arm/helper.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/target/arm/helper.c b/target/arm/helper.c index fe7991864a..c7ee0d603f 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -3533,6 +3533,13 @@ static void vmsa_ttbr_write(CPUARMState *env, const ARMCPRegInfo *ri, raw_write(env, ri, value); } +static void vmsa_tcr_ttbr_el2_write(CPUARMState *env, const ARMCPRegInfo *ri, + uint64_t value) +{ + /* TODO: There are ASID fields in here with HCR_EL2.E2H */ + raw_write(env, ri, value); +} + static void vttbr_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value) { @@ -4979,7 +4986,7 @@ static const ARMCPRegInfo el2_cp_reginfo[] = { .fieldoffset = offsetof(CPUARMState, cp15.tpidr_el[2]) }, { .name = "TTBR0_EL2", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 4, .crn = 2, .crm = 0, .opc2 = 0, - .access = PL2_RW, .resetvalue = 0, + .access = PL2_RW, .resetvalue = 0, .writefn = vmsa_tcr_ttbr_el2_write, .fieldoffset = offsetof(CPUARMState, cp15.ttbr0_el[2]) }, { .name = "HTTBR", .cp = 15, .opc1 = 4, .crm = 2, .access = PL2_RW, .type = ARM_CP_64BIT | ARM_CP_ALIAS, @@ -6131,6 +6138,10 @@ static const ARMCPRegInfo vhe_reginfo[] = { .opc0 = 3, .opc1 = 4, .crn = 13, .crm = 0, .opc2 = 1, .access = PL2_RW, .fieldoffset = offsetof(CPUARMState, cp15.contextidr_el[2]) }, + { .name = "TTBR1_EL2", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 4, .crn = 2, .crm = 0, .opc2 = 1, + .access = PL2_RW, .writefn = vmsa_tcr_ttbr_el2_write, + .fieldoffset = offsetof(CPUARMState, cp15.ttbr1_el[2]) }, REGINFO_SENTINEL }; |