diff options
Diffstat (limited to 'common/recipes-bsp/gummiboot/files/0006-Add-32-bit-compatible-rdtsc-asm.patch')
-rw-r--r-- | common/recipes-bsp/gummiboot/files/0006-Add-32-bit-compatible-rdtsc-asm.patch | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/common/recipes-bsp/gummiboot/files/0006-Add-32-bit-compatible-rdtsc-asm.patch b/common/recipes-bsp/gummiboot/files/0006-Add-32-bit-compatible-rdtsc-asm.patch deleted file mode 100644 index e170b695..00000000 --- a/common/recipes-bsp/gummiboot/files/0006-Add-32-bit-compatible-rdtsc-asm.patch +++ /dev/null @@ -1,52 +0,0 @@ -From e4711180646eb1fd701c4e5b124e5dc5372d446d Mon Sep 17 00:00:00 2001 -Message-Id: <e4711180646eb1fd701c4e5b124e5dc5372d446d.1367620002.git.dvhart@linux.intel.com> -From: Darren Hart <dvhart@linux.intel.com> -Date: Fri, 3 May 2013 15:10:43 -0700 -Subject: [PATCH] Add 32 bit compatible rdtsc asm - -Gcc's inline asm constraints have different meanings on x86_64 and ia32. -Include a 32 bit version for the rdtsc function. Drop the empty 32 bit -version of time_usec as it and the cpuid function both function properly -when compiled for 32 bit systems. - -Tested on the following CPU: -Intel(R) Atom(TM) CPU E640 @ 1.00GHz - -A value of 1000000000 was detected. - -Signed-off-by: Darren Hart <dvhart@linux.intel.com> ---- - src/efi/gummiboot.c | 10 +++++++--- - 1 files changed, 7 insertions(+), 3 deletions(-) - -diff --git a/src/efi/gummiboot.c b/src/efi/gummiboot.c -index 9be8f8e..971e05c 100644 ---- a/src/efi/gummiboot.c -+++ b/src/efi/gummiboot.c -@@ -89,6 +89,13 @@ static UINT64 ticks_read(void) { - __asm__ volatile ("rdtsc" : "=a" (a), "=d" (d)); - return (d << 32) | a; - } -+#else -+static UINT64 ticks_read(void) { -+ UINT64 val; -+ __asm__ volatile ("rdtsc" : "=A" (val)); -+ return val; -+} -+#endif - - static void cpuid_read(UINT32 info, UINT32 *eax, UINT32 *ebx, UINT32 *ecx, UINT32 *edx) { - *eax = info; -@@ -186,9 +193,6 @@ static UINT64 time_usec(void) { - - return 1000 * 1000 * ticks / cpufreq; - } --#else --static UINT64 time_usec(void) { return 0; } --#endif - - static EFI_STATUS efivar_set_raw(const EFI_GUID *vendor, CHAR16 *name, CHAR8 *buf, UINTN size, BOOLEAN persistent) { - UINT32 flags; --- -1.7.5.4 - |