Mikael Ågren d82c3a706e
fw: Add syscalls
Adds:
- SYSCALL_RESET
- SYSCALL_SET_LED

Co-authored-by: Michael Cardell Widerkrantz <mc@tillitis.se>
2025-02-27 14:27:05 +01:00

13 lines
213 B
ArmAsm

#include "../tk1/picorv32/custom_ops.S"
.section ".text"
.globl syscall_enable
syscall_enable:
/* Enable syscall IRQ */
li t0, 0x7fffffff // IRQ31 mask
picorv32_maskirq_insn(zero, t0) // Enable IRQs
ret