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msrtool: Add endptr to str2msr() showing how many characters were parsed

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This also introduces a small change in the user interface for immediate
mode (-i). Previously, whitespace could separate high and low words in
an MSR as such:

msrtool -i 4c00000f='f2f100ff 56960004'

That is no longer allowed, a space character now ends the MSR value. Any
other character can still be used as separator however, so the following
syntax still works as expected:

msrtool -i 4c00000f=f2f100ff:56960004

Signed-off-by: Peter Stuge <peter@stuge.se>
Acked-by: Stefan Reinauer <stepan@coresystems.de>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5032 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Peter Stuge
2010-01-17 18:33:53 +00:00
parent 838c5a5d80
commit 34f2907a1b
3 changed files with 8 additions and 7 deletions
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2
util/msrtool/msrtool.h
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@ -170,7 +170,7 @@ const struct msrdef *findmsrdef(const uint32_t addr);
uint32_t msraddrbyname(const char *name);
void dumpmsrdefs(const struct targetdef *t);
int dumpmsrdefsvals(FILE *f, const struct targetdef *t, const uint8_t cpu);
uint8_t str2msr(char *str, struct msr *msr);
uint8_t str2msr(char *str, struct msr *msr, char **endptr);
void decodemsr(const uint8_t cpu, const uint32_t addr, const struct msr val);
uint8_t diff_msr(FILE *fout, const uint32_t addr, const struct msr a, const struct msr b);