From fb6c91ba2bb0b1c1b8662ceeeeb9474a025f9a6b Mon Sep 17 00:00:00 2001 From: Greg Bellows Date: Thu, 11 Dec 2014 12:07:52 +0000 Subject: [PATCH] target-arm: make VBAR banked When EL3 is running in Aarch32 (or ARMv7 with Security Extensions) VBAR has a secure and a non-secure instance, which are mapped to VBAR_EL1 and VBAR_EL3. Signed-off-by: Fabian Aggeler Signed-off-by: Greg Bellows Reviewed-by: Peter Maydell Message-id: 1416242878-876-24-git-send-email-greg.bellows@linaro.org Signed-off-by: Peter Maydell --- target-arm/cpu.h | 10 +++++++++- target-arm/helper.c | 5 +++-- 2 files changed, 12 insertions(+), 3 deletions(-) diff --git a/target-arm/cpu.h b/target-arm/cpu.h index 2f8d607ffa..fc6449750f 100644 --- a/target-arm/cpu.h +++ b/target-arm/cpu.h @@ -297,7 +297,15 @@ typedef struct CPUARMState { uint32_t c9_pmuserenr; /* perf monitor user enable */ uint32_t c9_pminten; /* perf monitor interrupt enables */ uint64_t mair_el1; - uint64_t vbar_el[4]; /* vector base address register */ + union { /* vector base address register */ + struct { + uint64_t _unused_vbar; + uint64_t vbar_ns; + uint64_t hvbar; + uint64_t vbar_s; + }; + uint64_t vbar_el[4]; + }; uint32_t mvbar; /* (monitor) vector base address register */ uint32_t c13_fcse; /* FCSE PID. */ uint64_t contextidr_el1; /* Context ID. */ diff --git a/target-arm/helper.c b/target-arm/helper.c index d2e765295c..bc73c4fbbf 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -911,7 +911,8 @@ static const ARMCPRegInfo v7_cp_reginfo[] = { { .name = "VBAR", .state = ARM_CP_STATE_BOTH, .opc0 = 3, .crn = 12, .crm = 0, .opc1 = 0, .opc2 = 0, .access = PL1_RW, .writefn = vbar_write, - .fieldoffset = offsetof(CPUARMState, cp15.vbar_el[1]), + .bank_fieldoffsets = { offsetof(CPUARMState, cp15.vbar_s), + offsetof(CPUARMState, cp15.vbar_ns) }, .resetvalue = 0 }, { .name = "CCSIDR", .state = ARM_CP_STATE_BOTH, .opc0 = 3, .crn = 0, .crm = 0, .opc1 = 1, .opc2 = 0, @@ -4401,7 +4402,7 @@ void arm_cpu_do_interrupt(CPUState *cs) * This register is only followed in non-monitor mode, and is banked. * Note: only bits 31:5 are valid. */ - addr += env->cp15.vbar_el[1]; + addr += A32_BANKED_CURRENT_REG_GET(env, vbar); } if ((env->uncached_cpsr & CPSR_M) == ARM_CPU_MODE_MON) { -- 2.11.4.GIT