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Fix compilation for DOS and non-x86 targets

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Fixup for r1638.
Thanks to Idwer Vollering for testing.

Corresponding to flashrom svn r1645.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
This commit is contained in:
Carl-Daniel Hailfinger 2013-01-08 22:49:12 +00:00
parent a2faddf7d3
commit 8225868465
1 changed files with 7 additions and 12 deletions
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19
hwaccess.c
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@ -65,31 +65,25 @@ static inline void sync_primitive(void)
#endif
}
#if IS_X86 && !(defined(__DJGPP__) || defined(__LIBPAYLOAD__))
static int release_io_perms(void *p)
{
#if IS_X86
#if defined(__DJGPP__) || defined(__LIBPAYLOAD__)
/* Nothing to release */
#elif defined (__sun)
#if defined (__sun)
sysi86(SI86V86, V86SC_IOPL, 0);
#elif IS_BSD
close(io_fd);
#elif IS_LINUX
iopl(0);
#endif
#else
/* PCI port I/O support is unimplemented on PPC/MIPS and unavailable on ARM. */
#endif
return 0;
}
#endif
/* Get I/O permissions with automatic permission release on shutdown. */
int rget_io_perms(void)
{
#if IS_X86
#if defined(__DJGPP__) || defined(__LIBPAYLOAD__)
/* We have full permissions by default. */
#elif defined (__sun)
#if IS_X86 && !(defined(__DJGPP__) || defined(__LIBPAYLOAD__))
#if defined (__sun)
if (sysi86(SI86V86, V86SC_IOPL, PS_IOPL) != 0) {
#elif IS_BSD
if ((io_fd = open("/dev/io", O_RDWR)) < 0) {
@ -107,7 +101,8 @@ int rget_io_perms(void)
register_shutdown(release_io_perms, NULL);
}
#else
/* PCI port I/O support is unimplemented on PPC/MIPS and unavailable on ARM. */
/* DJGPP and libpayload environments have full PCI port I/O permissions by default. */
/* PCI port I/O support is unimplemented on PPC/MIPS and unavailable on ARM. */
#endif
return 0;
}