user: implement mlibc as the libc, finally.

It's finally done.. Signed-off-by: kaguya <vpshinomiya@protonmail.com>
2026-05-02 03:31:49 -04:00
parent 2fa39ad85a
commit 9a9b91c940
2387 changed files with 152741 additions and 315 deletions
@@ -0,0 +1,30 @@
+.section .text
+.global __mlibc_do_asm_cp_syscall
+.global __mlibc_syscall_begin
+.global __mlibc_syscall_end
+.type __mlibc_do_asm_cp_syscall, "function"
+__mlibc_do_asm_cp_syscall:
+	sd a7, -8(sp)
+	mv a7, a0
+	mv a0, a1
+	mv a1, a2
+	mv a2, a3
+	mv a3, a4
+	mv a4, a5
+	mv a5, a6
+	ld a6, -8(sp) // a7
+	lw t0, -96(tp) // Tcb::cancelBits. See asserts in tcb.hpp.
+__mlibc_syscall_begin:
+	// tcbCancelEnableBit && tcbCancelTriggerBit
+	li t1, (1 << 0) | (1 << 2)
+	and t0, t0, t1
+	beq t0, t1, cancel
+	ecall
+__mlibc_syscall_end:
+	ret
+
+cancel:
+	call __mlibc_do_cancel
+	unimp
+.section .note.GNU-stack,"",%progbits
+