The v0.5 Hypervisor spec add new execption numbers, let's add support
for those.
Signed-off-by: Alistair Francis <address@hidden>
---
target/riscv/cpu.c | 8 ++++++++
target/riscv/cpu_bits.h | 35 +++++++++++++++++++----------------
target/riscv/cpu_helper.c | 7 +++++--
target/riscv/csr.c | 7 +++++--
4 files changed, 37 insertions(+), 20 deletions(-)
diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index e521ebe2e1..d23d2cba64 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -67,6 +67,14 @@ const char * const riscv_excp_names[] = {
"load_page_fault",
"reserved",
"store_page_fault"
+ "reserved",
+ "reserved",
+ "reserved",
+ "reserved",
+ "guest_exec_page_fault",
+ "guest_load_page_fault",
+ "reserved",
+ "guest_store_page_fault"
};
const char * const riscv_intr_names[] = {
diff --git a/target/riscv/cpu_bits.h b/target/riscv/cpu_bits.h
index 25c0fb258d..9ce73c36de 100644
--- a/target/riscv/cpu_bits.h
+++ b/target/riscv/cpu_bits.h
@@ -488,22 +488,25 @@
#define DEFAULT_RSTVEC 0x1000
/* Exception causes */
-#define EXCP_NONE -1 /* sentinel value */
-#define RISCV_EXCP_INST_ADDR_MIS 0x0
-#define RISCV_EXCP_INST_ACCESS_FAULT 0x1
-#define RISCV_EXCP_ILLEGAL_INST 0x2
-#define RISCV_EXCP_BREAKPOINT 0x3
-#define RISCV_EXCP_LOAD_ADDR_MIS 0x4
-#define RISCV_EXCP_LOAD_ACCESS_FAULT 0x5
-#define RISCV_EXCP_STORE_AMO_ADDR_MIS 0x6
-#define RISCV_EXCP_STORE_AMO_ACCESS_FAULT 0x7
-#define RISCV_EXCP_U_ECALL 0x8
-#define RISCV_EXCP_S_ECALL 0x9
-#define RISCV_EXCP_H_ECALL 0xa
-#define RISCV_EXCP_M_ECALL 0xb
-#define RISCV_EXCP_INST_PAGE_FAULT 0xc /* since: priv-1.10.0 */
-#define RISCV_EXCP_LOAD_PAGE_FAULT 0xd /* since: priv-1.10.0 */
-#define RISCV_EXCP_STORE_PAGE_FAULT 0xf /* since: priv-1.10.0 */
+#define EXCP_NONE -1 /* sentinel value */
+#define RISCV_EXCP_INST_ADDR_MIS 0x0
+#define RISCV_EXCP_INST_ACCESS_FAULT 0x1
+#define RISCV_EXCP_ILLEGAL_INST 0x2
+#define RISCV_EXCP_BREAKPOINT 0x3
+#define RISCV_EXCP_LOAD_ADDR_MIS 0x4
+#define RISCV_EXCP_LOAD_ACCESS_FAULT 0x5
+#define RISCV_EXCP_STORE_AMO_ADDR_MIS 0x6
+#define RISCV_EXCP_STORE_AMO_ACCESS_FAULT 0x7
+#define RISCV_EXCP_U_ECALL 0x8
+#define RISCV_EXCP_S_ECALL 0x9
+#define RISCV_EXCP_VS_ECALL 0xa
+#define RISCV_EXCP_M_ECALL 0xb
+#define RISCV_EXCP_INST_PAGE_FAULT 0xc /* since: priv-1.10.0 */
+#define RISCV_EXCP_LOAD_PAGE_FAULT 0xd /* since: priv-1.10.0 */
+#define RISCV_EXCP_STORE_PAGE_FAULT 0xf /* since: priv-1.10.0 */
+#define RISCV_EXCP_INST_GUEST_PAGE_FAULT 0x14
+#define RISCV_EXCP_LOAD_GUEST_ACCESS_FAULT 0x15
+#define RISCV_EXCP_STORE_GUEST_AMO_ACCESS_FAULT 0x17
#define RISCV_EXCP_INT_FLAG 0x80000000
#define RISCV_EXCP_INT_MASK 0x7fffffff
diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c
index 0de3a468eb..c201919c54 100644
--- a/target/riscv/cpu_helper.c
+++ b/target/riscv/cpu_helper.c
@@ -526,7 +526,7 @@ 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
};
@@ -542,6 +542,9 @@ void riscv_cpu_do_interrupt(CPUState *cs)
case RISCV_EXCP_INST_PAGE_FAULT:
case RISCV_EXCP_LOAD_PAGE_FAULT:
case RISCV_EXCP_STORE_PAGE_FAULT:
+ case RISCV_EXCP_INST_GUEST_PAGE_FAULT:
+ case RISCV_EXCP_LOAD_GUEST_ACCESS_FAULT:
+ case RISCV_EXCP_STORE_GUEST_AMO_ACCESS_FAULT:
tval = env->badaddr;
break;
default:
@@ -554,7 +557,7 @@ 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 &&
diff --git a/target/riscv/csr.c b/target/riscv/csr.c
index da02f9f0b1..6a0a59edfd 100644
--- a/target/riscv/csr.c
+++ b/target/riscv/csr.c
@@ -242,11 +242,14 @@ static const target_ulong delegable_excps =
(1ULL << (RISCV_EXCP_STORE_AMO_ACCESS_FAULT)) |
(1ULL << (RISCV_EXCP_U_ECALL)) |
(1ULL << (RISCV_EXCP_S_ECALL)) |
- (1ULL << (RISCV_EXCP_H_ECALL)) |
+ (1ULL << (RISCV_EXCP_VS_ECALL)) |
(1ULL << (RISCV_EXCP_M_ECALL)) |
(1ULL << (RISCV_EXCP_INST_PAGE_FAULT)) |
(1ULL << (RISCV_EXCP_LOAD_PAGE_FAULT)) |
- (1ULL << (RISCV_EXCP_STORE_PAGE_FAULT));
+ (1ULL << (RISCV_EXCP_STORE_PAGE_FAULT)) |
+ (1ULL << (RISCV_EXCP_INST_GUEST_PAGE_FAULT)) |
+ (1ULL << (RISCV_EXCP_LOAD_GUEST_ACCESS_FAULT)) |
+ (1ULL << (RISCV_EXCP_STORE_GUEST_AMO_ACCESS_FAULT));
static const target_ulong sstatus_v1_9_mask = SSTATUS_SIE | SSTATUS_SPIE |
SSTATUS_UIE | SSTATUS_UPIE | SSTATUS_SPP | SSTATUS_FS | SSTATUS_XS |
SSTATUS_SUM | SSTATUS_SD;