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Support rdmsr/wrmsr operations on FreeBSD

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So far, AMD Geode LX is the only user of this infrastructure. It needs
/dev/cpu0 from ports/sysutils on FreeBSD during runtime on Geode LX.

Corresponding to flashrom svn r690.

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Idwer Vollering <vidwer@gmail.com>
Acked-by: <putlinuxonit@gmail.com>
This commit is contained in:
Stefan Reinauer
2009-08-19 10:46:23 +00:00
committed by Carl-Daniel Hailfinger
parent dfade10e39
commit 173e3eaabe
2 changed files with 97 additions and 1 deletions
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12
flash.h
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@ -309,11 +309,21 @@ void *physmap(const char *descr, unsigned long phys_addr, size_t len);
void physunmap(void *virt_addr, size_t len);
int setup_cpu_msr(int cpu);
void cleanup_cpu_msr(void);
#ifndef __DARWIN__
#if !defined(__DARWIN__) && !defined(__FreeBSD__) && !defined(__DragonFly__)
typedef struct { uint32_t hi, lo; } msr_t;
msr_t rdmsr(int addr);
int wrmsr(int addr, msr_t msr);
#endif
#if defined(__FreeBSD__) || defined(__DragonFly__)
/* FreeBSD already has conflicting definitions for wrmsr/rdmsr. */
#undef rdmsr
#undef wrmsr
#define rdmsr freebsd_rdmsr
#define wrmsr freebsd_wrmsr
typedef struct { uint32_t hi, lo; } msr_t;
msr_t freebsd_rdmsr(int addr);
int freebsd_wrmsr(int addr, msr_t msr);
#endif
/* internal.c */
struct pci_dev *pci_dev_find_filter(struct pci_filter filter);