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target/riscv: Add support for the new execption numbers

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The v0.5 Hypervisor spec add new execption numbers, let's add support
for those.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
This commit is contained in:
Alistair Francis 2020-01-31 17:01:46 -08:00 • committed by Palmer Dabbelt
parent bd023ce33b
commit ab67a1d07a
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GPG key ID: 2E1319F35FBB1889
4 changed files with 37 additions and 20 deletions
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7
target/riscv/cpu_helper.c
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@ -528,13 +528,16 @@ void riscv_cpu_do_interrupt(CPUState *cs)
static const int ecall_cause_map[] = {
[PRV_U] = RISCV_EXCP_U_ECALL,
[PRV_S] = RISCV_EXCP_S_ECALL,
[PRV_H] = RISCV_EXCP_H_ECALL,
[PRV_H] = RISCV_EXCP_VS_ECALL,
[PRV_M] = RISCV_EXCP_M_ECALL
};
if (!async) {
/* set tval to badaddr for traps with address information */
switch (cause) {
case RISCV_EXCP_INST_GUEST_PAGE_FAULT:
case RISCV_EXCP_LOAD_GUEST_ACCESS_FAULT:
case RISCV_EXCP_STORE_GUEST_AMO_ACCESS_FAULT:
case RISCV_EXCP_INST_ADDR_MIS:
case RISCV_EXCP_INST_ACCESS_FAULT:
case RISCV_EXCP_LOAD_ADDR_MIS:
@ -556,7 +559,7 @@ void riscv_cpu_do_interrupt(CPUState *cs)
}
}
trace_riscv_trap(env->mhartid, async, cause, env->pc, tval, cause < 16 ?
trace_riscv_trap(env->mhartid, async, cause, env->pc, tval, cause < 23 ?
(async ? riscv_intr_names : riscv_excp_names)[cause] : "(unknown)");
if (env->priv <= PRV_S &&