tools/testing/selftests/powerpc/copyloops/stubs.S

#include <asm/ppc_asm.h>

FUNC_START(enter_vmx_usercopy)
	li	r3,1
	blr

FUNC_START(exit_vmx_usercopy)
	li	r3,0
	blr

FUNC_START(enter_vmx_ops)
	li	r3,1
	blr

FUNC_START(exit_vmx_ops)
	blr

FUNC_START(__copy_tofrom_user_base)
	blr
selftests/powerpc/64: Test exception cases in copy_tofrom_user This adds a set of test cases to test the behaviour of copy_tofrom_user when exceptions are encountered accessing the source or destination. Currently, copy_tofrom_user does not always copy as many bytes as possible when an exception occurs on a store to the destination, and that is reflected in failures in these tests. Based on a test program from Anton Blanchard. [paulus@ozlabs.org - test all three paths, wrote commit description, made EX_TABLE create an exception table.] Signed-off-by: Paul Mackerras <paulus@ozlabs.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> 2018-08-03 20:13:05 +10:00			`#include <asm/ppc_asm.h>`

			`FUNC_START(enter_vmx_usercopy)`
			`li r3,1`
			`blr`

			`FUNC_START(exit_vmx_usercopy)`
			`li r3,0`
			`blr`

			`FUNC_START(enter_vmx_ops)`
			`li r3,1`
			`blr`

			`FUNC_START(exit_vmx_ops)`
			`blr`

			`FUNC_START(__copy_tofrom_user_base)`
			`blr`