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misc QEMU fixes

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3351 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2011-03-08 01:24:42 +00:00
parent 47f6b44c9a
commit 42ab9cc60c
4 changed files with 77 additions and 29 deletions
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arch/x86/include/i486/arch.h
+38
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@@ -163,6 +163,44 @@ static inline uint32_t up_getsp()
return regval;
}
/* Get segment registers */
static inline uint32_t up_getds()
{
uint32_t regval;
asm volatile(
"\tmov %%ds, %0\n"
: "=rm" (regval)
:
: "memory");
return regval;
}
static inline uint32_t up_getcs()
{
uint32_t regval;
asm volatile(
"\tmov %%cs, %0\n"
: "=rm" (regval)
:
: "memory");
return regval;
}
static inline uint32_t up_getss()
{
uint32_t regval;
asm volatile(
"\tmov %%ss, %0\n"
: "=rm" (regval)
:
: "memory");
return regval;
}
/****************************************************************************
* Public Types
****************************************************************************/