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Commit b1ce369e authored by Rusty Russell's avatar Rusty Russell Committed by Anton Blanchard
Browse files

powerpc: modules: use r12 for stub jump address. 



In ELFv2, r12 is supposed to equal to PC on entry to a function.
Our stubs use r11, so change swap that with r12.

Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
parent d2fae548

arch/powerpc/kernel/module_64.c

+5 −5
Original line number Diff line number Diff line
@@ -67,13 +67,13 @@ struct ppc64_stub_entry 
   r2) into the stub. */

static struct ppc64_stub_entry ppc64_stub =

{ .jump = {

	0x3d820000,			/* addis   r12,r2, <high> */

	0x398c0000,			/* addi    r12,r12, <low> */

	0x3d620000,			/* addis   r11,r2, <high> */

	0x396b0000,			/* addi    r11,r11, <low> */

	/* Save current r2 value in magic place on the stack. */

	0xf8410000|R2_STACK_OFFSET,	/* std     r2,R2_STACK_OFFSET(r1) */

	0xe96c0020,			/* ld      r11,32(r12) */

	0xe84c0028,			/* ld      r2,40(r12) */

	0x7d6903a6,			/* mtctr   r11 */

	0xe98b0020,			/* ld      r12,32(r11) */

	0xe84b0026,			/* ld      r2,40(r11) */

	0x7d8903a6,			/* mtctr   r12 */

	0x4e800420			/* bctr */

} };