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[Qemu-devel] [PATCH] MIPS/GDB: Correct stub handling of CP1 FIR
From: |
Maciej W. Rozycki |
Subject: |
[Qemu-devel] [PATCH] MIPS/GDB: Correct stub handling of CP1 FIR |
Date: |
Fri, 8 Jun 2012 02:08:02 +0100 |
User-agent: |
Alpine 1.10 (DEB 962 2008-03-14) |
The CP1 FIR register is read-only, ignore any write attempts from the GDB
stub.
Signed-off-by: Maciej W. Rozycki <address@hidden>
---
Definitely obvious, please apply.
Maciej
qemu-mips-fir.diff
Index: qemu-git-trunk/gdbstub.c
===================================================================
--- qemu-git-trunk.orig/gdbstub.c 2012-06-08 01:11:04.000000000 +0100
+++ qemu-git-trunk/gdbstub.c 2012-06-08 01:42:22.865584444 +0100
@@ -1130,7 +1130,9 @@ static int cpu_gdb_write_register(CPUMIP
/* set rounding mode */
RESTORE_ROUNDING_MODE;
break;
- case 71: env->active_fpu.fcr0 = tmp; break;
+ case 71:
+ /* FIR is read-only. Ignore writes. */
+ break;
}
return sizeof(target_ulong);
}
- [Qemu-devel] [PATCH] MIPS/GDB: Correct stub handling of CP1 FIR,
Maciej W. Rozycki <=