unlock.cgs

来自「这个是LINUX下的GDB调度工具的源码」· CGS 代码 · 共 31 行

# m32r testcase for unlock $src1,@$src2
# mach(): m32r m32rx

	.include "testutils.inc"

	start

	.global unlock
unlock:
	mvaddr_h_gr r4, data_loc
	mvi_h_gr    r5, 1

	lock r5, @r4

	mvi_h_gr r5, 2
	unlock r5, @r4

	ld r6, @r4
	test_h_gr r6, 2

	mvi_h_gr r5, 0
	unlock r5, @r4	; This should be a nop since the processor should be unlocked.

	ld r6, @r4
	test_h_gr r6, 2
	
	pass

data_loc:
	.word 0