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authorRizwan Qureshi <rizwan.qureshi@intel.com>2016-09-07 20:11:11 +0530
committerMartin Roth <martinroth@google.com>2016-09-12 19:51:36 +0200
commit8453c4f2fba7ae95ed14137a14575226b24218af (patch)
tree6b1a684c422910bef540077c03b972b4f843810b /src/cpu
parentb1b44d34e39e52edfe5521d0671d685962529885 (diff)
downloadcoreboot-8453c4f2fba7ae95ed14137a14575226b24218af.tar.xz
cpu/x86: Move fls() and fms() to mtrr.h
Move the funtion to find most significant bit set(fms) and function to find least significant bit set(fls) to a common place. And remove the duplicates. Change-Id: Ia821038b622d93e7f719c18e5ee3e8112de66a53 Signed-off-by: Rizwan Qureshi <rizwan.qureshi@intel.com> Reviewed-on: https://review.coreboot.org/16525 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/cpu')
-rw-r--r--src/cpu/x86/mtrr/mtrr.c24
1 files changed, 0 insertions, 24 deletions
diff --git a/src/cpu/x86/mtrr/mtrr.c b/src/cpu/x86/mtrr/mtrr.c
index 8bdc511fd5..8033e792bc 100644
--- a/src/cpu/x86/mtrr/mtrr.c
+++ b/src/cpu/x86/mtrr/mtrr.c
@@ -92,30 +92,6 @@ static void enable_var_mtrr(unsigned char deftype)
wrmsr(MTRR_DEF_TYPE_MSR, msr);
}
-/* fms: find most significant bit set, stolen from Linux Kernel Source. */
-static inline unsigned int fms(unsigned int x)
-{
- int r;
-
- __asm__("bsrl %1,%0\n\t"
- "jnz 1f\n\t"
- "movl $0,%0\n"
- "1:" : "=r" (r) : "g" (x));
- return r;
-}
-
-/* fls: find least significant bit set */
-static inline unsigned int fls(unsigned int x)
-{
- int r;
-
- __asm__("bsfl %1,%0\n\t"
- "jnz 1f\n\t"
- "movl $32,%0\n"
- "1:" : "=r" (r) : "g" (x));
- return r;
-}
-
#define MTRR_VERBOSE_LEVEL BIOS_NEVER
/* MTRRs are at a 4KiB granularity. Therefore all address calculations can