From 4abab5ad6c8465a7528ccdd5f49367da05f78bbd Mon Sep 17 00:00:00 2001 From: Vladimir Azarov Date: Tue, 1 Oct 2024 15:47:05 +0200 Subject: Initial version --- src/thread/riscv64/syscall_cp.s | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 src/thread/riscv64/syscall_cp.s (limited to 'src/thread/riscv64/syscall_cp.s') diff --git a/src/thread/riscv64/syscall_cp.s b/src/thread/riscv64/syscall_cp.s new file mode 100644 index 0000000..eeef639 --- /dev/null +++ b/src/thread/riscv64/syscall_cp.s @@ -0,0 +1,29 @@ +.global __cp_begin +.hidden __cp_begin +.global __cp_end +.hidden __cp_end +.global __cp_cancel +.hidden __cp_cancel +.hidden __cancel +.global __syscall_cp_asm +.hidden __syscall_cp_asm +.type __syscall_cp_asm, %function +__syscall_cp_asm: +__cp_begin: + lw t0, 0(a0) + bnez t0, __cp_cancel + + mv t0, a1 + mv a0, a2 + mv a1, a3 + mv a2, a4 + mv a3, a5 + mv a4, a6 + mv a5, a7 + ld a6, 0(sp) + mv a7, t0 + ecall +__cp_end: + ret +__cp_cancel: + tail __cancel -- cgit v1.2.3