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[Qemu-devel] [PATCH] mips: Fix incorrect jump instruction in YAMON mini-


From: Andrew Drake
Subject: [Qemu-devel] [PATCH] mips: Fix incorrect jump instruction in YAMON mini-bootloader print function.
Date: Tue, 6 Sep 2011 16:41:56 -0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:7.0) Gecko/20110905 Thunderbird/7.0

The print function is listed in the vector table as 0xbfc00808. The backedge
of the loop is improperly encoded, and so jumps to 0xb0000814 instead of the
desired 0xbfc00814.

Signed-off-by: Andrew Drake <address@hidden>
---
 hw/mips_malta.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/hw/mips_malta.c b/hw/mips_malta.c
index a0adb56..d4820c3 100644
--- a/hw/mips_malta.c
+++ b/hw/mips_malta.c
@@ -605,7 +605,7 @@ static void write_bootloader (CPUState *env, uint8_t *base,
     stl_raw(p++, 0x00000000);                                     /* nop */
     stl_raw(p++, 0x0ff0021c);                                     /* jal 870 */
     stl_raw(p++, 0x00000000);                                     /* nop */
-    stl_raw(p++, 0x08000205);                                     /* j 814 */
+    stl_raw(p++, 0x0bf00205);                                     /* j 814 */
     stl_raw(p++, 0x00000000);                                     /* nop */
     stl_raw(p++, 0x01a00008);                                     /* jr t5 */
     stl_raw(p++, 0x01602021);                                     /* move 
a0,t3 */
--
1.7.1





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