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powerpc: modules: use r12 for stub jump address.

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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: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2014-03-18 20:12:59 +10:30 committed by Anton Blanchard
parent d2fae54803
commit b1ce369e82
1 changed files with 5 additions and 5 deletions
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10
arch/powerpc/kernel/module_64.c
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@ -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 */
} };