[arch][riscv][sbi] add probe for new SRST extension

2020-12-09 02:15:29 -08:00
parent 8869020ae2
commit 3194e45807
2 changed files with 2 additions and 0 deletions
--- a/arch/riscv/arch.c
+++ b/arch/riscv/arch.c
@@ -85,6 +85,7 @@ void arch_init(void) {
    dprintf(INFO, "RISCV: SBI extension IPI %ld\n", sbi_call(SBI_PROBE_EXTENSION, SBI_EXT_IPI).value);
    dprintf(INFO, "RISCV: SBI extension RFENCE %ld\n", sbi_call(SBI_PROBE_EXTENSION, SBI_EXT_RFENCE).value);
    dprintf(INFO, "RISCV: SBI extension HSM %ld\n", sbi_call(SBI_PROBE_EXTENSION, SBI_EXT_HSM).value);
+    dprintf(INFO, "RISCV: SBI extension SRST %ld\n", sbi_call(SBI_PROBE_EXTENSION, SBI_EXT_SRST).value);
 #endif

 #if WITH_SMP
--- a/arch/riscv/include/arch/riscv/sbi.h
+++ b/arch/riscv/include/arch/riscv/sbi.h
@@ -71,6 +71,7 @@ enum sbi_return_code {
 #define SBI_EXT_IPI                 0x00735049
 #define SBI_EXT_RFENCE              0x52464e43
 #define SBI_EXT_HSM                 0x0048534d
+#define SBI_EXT_SRST                0x53525354

 static inline void sbi_set_timer(uint64_t stime_value) {
    sbi_call(SBI_SET_TIMER, stime_value);