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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 <aggelerf@ethz.ch>
Signed-off-by: Greg Bellows <greg.bellows@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1416242878-876-24-git-send-email-greg.bellows@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Greg Bellows 2014-12-11 12:07:52 +00:00 committed by Peter Maydell
parent 01c097f796
commit fb6c91ba2b
2 changed files with 12 additions and 3 deletions
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10
target-arm/cpu.h
View File

@ -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. */

5
target-arm/helper.c
View File

@ -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) {