riscv/nsbi: fix up_udelay for rv32

This fixes riscv_sbi_get_time for rv32 and NuttSBI is used. Signed-off-by: Yanfeng Liu <[email protected]>
anchao · Aug 5, 2024 · a36c168 · a36c168
1 parent 4ef3eeb
commit a36c168
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/arch/risc-v/src/common/supervisor/riscv_sbi.c b/arch/risc-v/src/common/supervisor/riscv_sbi.c
@@ -111,7 +111,11 @@ uint64_t riscv_sbi_get_time(void)
   sbiret_t ret = sbi_ecall(SBI_EXT_FIRMWARE, SBI_EXT_FIRMWARE_GET_MTIME,
                            0, 0, 0, 0, 0, 0);
 
+#  ifdef CONFIG_ARCH_RV64
   return ret.error;
+#  else
+  return (((uint64_t)ret.value << 32) | ret.error);
+#  endif
 #elif defined(CONFIG_ARCH_RV64)
   return READ_CSR(CSR_TIME);
 #else