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| author | Andrew Waterman <andrew@sifive.com> | 2017-02-17 01:54:41 -0800 |
|---|---|---|
| committer | Andrew Waterman <andrew@sifive.com> | 2017-02-17 01:54:41 -0800 |
| commit | 926b360655fd7a22413c7732faceeea21a224aa1 (patch) | |
| tree | a0fe50446c5ccbdb2aecd7945aa7025804c655e7 /machine/mtrap.c | |
| parent | 611290ccde8d76c1973a37d82a5d4b3e4b7b90c4 (diff) | |
| download | riscv-pk-926b360655fd7a22413c7732faceeea21a224aa1.zip riscv-pk-926b360655fd7a22413c7732faceeea21a224aa1.tar.gz riscv-pk-926b360655fd7a22413c7732faceeea21a224aa1.tar.bz2 | |
WIP towards ECALL interface for SBI
Diffstat (limited to 'machine/mtrap.c')
| -rw-r--r-- | machine/mtrap.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/machine/mtrap.c b/machine/mtrap.c index 0ed27e9..3cbc064 100644 --- a/machine/mtrap.c +++ b/machine/mtrap.c @@ -13,11 +13,6 @@ void __attribute__((noreturn)) bad_trap() die("machine mode: unhandlable trap %d @ %p", read_csr(mcause), read_csr(mepc)); } -static uintptr_t mcall_hart_id() -{ - return read_const_csr(mhartid); -} - uintptr_t timer_interrupt() { // just send the timer interrupt to the supervisor @@ -156,9 +151,6 @@ void mcall_trap(uintptr_t* regs, uintptr_t mcause, uintptr_t mepc) uintptr_t n = regs[17], arg0 = regs[10], arg1 = regs[11], retval; switch (n) { - case MCALL_HART_ID: - retval = mcall_hart_id(); - break; case MCALL_CONSOLE_PUTCHAR: retval = mcall_console_putchar(arg0); break; |