diff options
| -rw-r--r-- | lib/sbi/sbi_ecall.c | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/lib/sbi/sbi_ecall.c b/lib/sbi/sbi_ecall.c index 311c4cf..b8e444f 100644 --- a/lib/sbi/sbi_ecall.c +++ b/lib/sbi/sbi_ecall.c @@ -35,7 +35,7 @@ int sbi_ecall_0_1_handler(u32 hartid, struct sbi_trap_regs *regs, struct sbi_scratch *scratch, struct unpriv_trap *uptrap) { - int ret = SBI_ENOTSUPP; + int ret = 0; struct sbi_tlb_info tlb_info; u32 source_hart = sbi_current_hartid(); @@ -47,19 +47,15 @@ int sbi_ecall_0_1_handler(u32 hartid, struct sbi_trap_regs *regs, #else sbi_timer_event_start(scratch, (u64)regs->a0); #endif - ret = 0; break; case SBI_EXT_0_1_CONSOLE_PUTCHAR: sbi_putc(regs->a0); - ret = 0; break; case SBI_EXT_0_1_CONSOLE_GETCHAR: regs->a0 = sbi_getc(); - ret = 0; break; case SBI_EXT_0_1_CLEAR_IPI: sbi_ipi_clear_smode(scratch); - ret = 0; break; case SBI_EXT_0_1_SEND_IPI: ret = sbi_ipi_send_many(scratch, uptrap, (ulong *)regs->a0, @@ -95,21 +91,18 @@ int sbi_ecall_0_1_handler(u32 hartid, struct sbi_trap_regs *regs, break; case SBI_EXT_0_1_SHUTDOWN: sbi_system_shutdown(scratch, 0); - ret = 0; break; default: regs->a0 = SBI_ENOTSUPP; - ret = 0; }; return ret; - } int sbi_ecall_handler(u32 hartid, ulong mcause, struct sbi_trap_regs *regs, struct sbi_scratch *scratch) { - int ret = SBI_ENOTSUPP; + int ret = 0; struct unpriv_trap uptrap; u32 extension_id = regs->a7; @@ -118,7 +111,6 @@ int sbi_ecall_handler(u32 hartid, ulong mcause, struct sbi_trap_regs *regs, ret = sbi_ecall_0_1_handler(hartid, regs, scratch, &uptrap); } else { regs->a0 = SBI_ENOTSUPP; - ret = 0; } if (!ret) { |