ppc/amigaone: Simplify replacement dummy_fw

There's no need to do shift in a loop, doing it in one instruction
works just as well, only the result is used.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Message-ID: <446bf740cbb99422be2cc5a31e51a1034eddded7.1740673173.git.balaton@eik.bme.hu>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>

diff --git a/hw/ppc/amigaone.c b/hw/ppc/amigaone.c
index b02792221cc54a4dded0e375fa0b8b2bc0a94d45..4290d5861396311ab5ce3aed802f66666bd15fdb 100644 (file)
--- a/hw/ppc/amigaone.c
+++ b/hw/ppc/amigaone.c
@@ -41,10 +41,7 @@
 
 /* AmigaOS calls this routine from ROM, use this if no firmware loaded */
 static const char dummy_fw[] = {
-    0x38, 0x00, 0x00, 0x08, /* li      r0,8 */
-    0x7c, 0x09, 0x03, 0xa6, /* mtctr   r0 */
-    0x54, 0x63, 0xf8, 0x7e, /* srwi    r3,r3,1 */
-    0x42, 0x00, 0xff, 0xfc, /* bdnz    0x8 */
+    0x54, 0x63, 0xc2, 0x3e, /* srwi    r3,r3,8 */
     0x7c, 0x63, 0x18, 0xf8, /* not     r3,r3 */
     0x4e, 0x80, 0x00, 0x20, /* blr */
 };