Re: [Qemu-devel] [Qemu-ppc] [PATCH for-2.0 2/2] ohw: let the right reset entry point 0xfff00100 jump to the currently wrong entry point (0xfffffffc)

[Hervé Poussineau]

Le mer. 02 avril 2014 07:14:48 CEST, Alexander Graf a écrit :

Am 01.04.2014 um 23:18 schrieb Hervé Poussineau <hpous...@reactos.org>:

This is easier to do this than to copy the code from the wrong entry point to 
the right entry point.

Signed-off-by: Hervé Poussineau <hpous...@reactos.org>
---
src/vectors.S |    7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/vectors.S b/src/vectors.S
index 691d568..05cd1d9 100644
--- a/src/vectors.S
+++ b/src/vectors.S
@@ -121,7 +121,12 @@ excp_##entry##:                                           
; \

         /* Exception vectors */
         /* Reset exception */
-        EXCP_BUG(0100)                                    ;
+.org 0x0100
+excp_0100:
+        lis r3,0
+        addi r3,r3,-4
+        mtlr r3
+        blr

Doesn't ba -4 work?

Yes, "ba -4" also works, I just tested it.

Hervé