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target-arm: A64: Emulate the HVC insn

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Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 1411718914-6608-8-git-send-email-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Edgar E. Iglesias 2014-09-29 18:48:50 +01:00 • committed by Peter Maydell
parent 2dd081ae76
commit 35979d71c4
7 changed files with 81 additions and 10 deletions
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20
target-arm/helper.c
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@ -3769,7 +3769,25 @@ void switch_mode(CPUARMState *env, int mode)
*/
unsigned int arm_excp_target_el(CPUState *cs, unsigned int excp_idx)
{
return 1;
ARMCPU *cpu = ARM_CPU(cs);
CPUARMState *env = &cpu->env;
unsigned int cur_el = arm_current_pl(env);
unsigned int target_el;
if (!env->aarch64) {
/* TODO: Add EL2 and 3 exception handling for AArch32. */
return 1;
}
switch (excp_idx) {
case EXCP_HVC:
target_el = 2;
break;
default:
target_el = MAX(cur_el, 1);
break;
}
return target_el;
}
static void v7m_push(CPUARMState *env, uint32_t val)