diff options
| author | Michael Brown | 2006-08-28 03:58:52 +0200 |
|---|---|---|
| committer | Michael Brown | 2006-08-28 03:58:52 +0200 |
| commit | 6e5ffefd79db740a66e165696663dad28e458cf9 (patch) | |
| tree | cfc220531a38e8563a2395c7da811d5049fa19f0 /contrib/bochs/qemu-patch | |
| parent | Add --enable-show-ips; it's useful when using the profiling code. (diff) | |
| download | ipxe-6e5ffefd79db740a66e165696663dad28e458cf9.tar.gz ipxe-6e5ffefd79db740a66e165696663dad28e458cf9.tar.xz ipxe-6e5ffefd79db740a66e165696663dad28e458cf9.zip | |
Document requisite patch for qemu
Diffstat (limited to 'contrib/bochs/qemu-patch')
| -rw-r--r-- | contrib/bochs/qemu-patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/contrib/bochs/qemu-patch b/contrib/bochs/qemu-patch new file mode 100644 index 00000000..5fb6c09e --- /dev/null +++ b/contrib/bochs/qemu-patch @@ -0,0 +1,26 @@ +Index: qemu/cpu-exec.c +=================================================================== +RCS file: /sources/qemu/qemu/cpu-exec.c,v +retrieving revision 1.84 +diff -u -r1.84 cpu-exec.c +--- qemu/cpu-exec.c 29 Jul 2006 19:09:31 -0000 1.84 ++++ qemu/cpu-exec.c 28 Aug 2006 01:54:15 -0000 +@@ -788,6 +788,18 @@ + cpu_loop_exit(); + } + #endif ++#if 1 ++#define MIN_CYCLE_COUNT 100 ++ { ++ static int cycle_count; ++ ++ if (++cycle_count > MIN_CYCLE_COUNT) { ++ cycle_count = 0; ++ env->exception_index = EXCP_INTERRUPT; ++ cpu_loop_exit(); ++ } ++ } ++#endif + } + } else { + env_to_regs(); |