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Made our kernel-emu a bit more complete.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22634 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2007-10-21 13:45:47 +00:00
parent 85b69a9437
commit d0a41190b6
1 changed files with 46 additions and 0 deletions
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46
src/tests/add-ons/kernel/kernelland_emu.cpp
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@ -697,6 +697,39 @@ devfs_publish_partition(const char *path, const partition_info *info)
}
extern "C" int32
atomic_test_and_set(vint32 *value, int32 newValue, int32 testAgainst)
{
#if __INTEL__
int32 oldValue;
asm volatile("lock; cmpxchg %%ecx, (%%edx)"
: "=a" (oldValue) : "a" (testAgainst), "c" (newValue), "d" (value));
return oldValue;
#else
#warn "atomic_test_and_set() won't work correctly!"
int32 oldValue = *value;
if (oldValue == testAgainst)
*value = newValue;
return oldValue;
#endif
}
extern "C" int
add_debugger_command(char *name, int (*func)(int, char **), char *desc)
{
return B_OK;
}
extern "C" int
remove_debugger_command(char * name, int (*func)(int, char **))
{
return B_OK;
}
extern "C" void
panic(const char *format, ...)
{
@ -728,6 +761,19 @@ dprintf(const char *format,...)
}
extern "C" void
kprintf(const char *format,...)
{
va_list args;
va_start(args, format);
printf("\33[35m");
vprintf(format, args);
printf("\33[0m");
fflush(stdout);
va_end(args);
}
extern "C" void
dump_block(const char *buffer, int size, const char *prefix)
{