openwrt/flashrom
1
0
Fork 0
mirror of https://review.coreboot.org/flashrom.git synced 2025-07-02 06:23:18 +02:00
Code Issues Releases Wiki Activity

Unify usage of iopl-like code by introducing get_io_perms()

Browse Source 
Factor out portable iopl()-style code into a global function which all
programmers can use, add missing close() call.

Corresponding to flashrom svn r511.

Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
This commit is contained in:
Uwe Hermann
2009-05-14 20:41:57 +00:00
parent 0cdb0313f1
commit a086932cf9
3 changed files with 17 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
internal.c
View File

@ -83,11 +83,8 @@ struct pci_dev *pci_card_find(uint16_t vendor, uint16_t device,
return NULL;
}
int internal_init(void)
void get_io_perms(void)
{
int ret = 0;
/* First get full io access */
#if defined (__sun) && (defined(__i386) || defined(__amd64))
if (sysi86(SI86V86, V86SC_IOPL, PS_IOPL) != 0) {
#elif defined(__FreeBSD__) || defined (__DragonFly__)
@ -95,9 +92,17 @@ int internal_init(void)
#else
if (iopl(3) != 0) {
#endif
fprintf(stderr, "ERROR: Could not get IO privileges (%s).\nYou need to be root.\n", strerror(errno));
fprintf(stderr, "ERROR: Could not get I/O privileges (%s).\n"
"You need to be root.\n", strerror(errno));
exit(1);
}
}
int internal_init(void)
{
int ret = 0;
get_io_perms(void);
/* Initialize PCI access for flash enables */
pacc = pci_alloc(); /* Get the pci_access structure */