complier.h: add __always_inline and use it in code base

Add a __always_inline macro that wraps __attribute__((always_inline))
and replace current users with the macro, excluding files under
src/vendorcode.

Change-Id: Ic57e474c1d2ca7cc0405ac677869f78a28d3e529
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/28587
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@google.com>
This commit is contained in:
Aaron Durbin
2018-09-13 02:10:45 -06:00
parent cf9ea55473
commit 75a62e7648
28 changed files with 124 additions and 101 deletions

View File

@@ -1,6 +1,8 @@
#ifndef CPU_X86_MSR_H
#define CPU_X86_MSR_H
#include <compiler.h>
/* Intel SDM: Table 2-1
* IA-32 architectural MSR: Extended Feature Enable Register
*/
@@ -50,19 +52,18 @@ msr_t soc_msr_read(unsigned int index);
void soc_msr_write(unsigned int index, msr_t msr);
/* Handle MSR references in the other source code */
static inline __attribute__((always_inline)) msr_t rdmsr(unsigned int index)
static __always_inline msr_t rdmsr(unsigned int index)
{
return soc_msr_read(index);
}
static inline __attribute__((always_inline)) void wrmsr(unsigned int index,
msr_t msr)
static __always_inline void wrmsr(unsigned int index, msr_t msr)
{
soc_msr_write(index, msr);
}
#else /* CONFIG_SOC_SETS_MSRS */
/* The following functions require the always_inline due to AMD
/* The following functions require the __always_inline due to AMD
* function STOP_CAR_AND_CPU that disables cache as
* RAM, the cache as RAM stack can no longer be used. Called
* functions must be inlined to avoid stack usage. Also, the
@@ -70,9 +71,9 @@ static inline __attribute__((always_inline)) void wrmsr(unsigned int index,
* allocated them from the stack. With gcc 4.5.0, some functions
* declared as inline are not being inlined. This patch forces
* these functions to always be inlined by adding the qualifier
* __attribute__((always_inline)) to their declaration.
* __always_inline to their declaration.
*/
static inline __attribute__((always_inline)) msr_t rdmsr(unsigned int index)
static __always_inline msr_t rdmsr(unsigned int index)
{
msr_t result;
__asm__ __volatile__ (
@@ -83,8 +84,7 @@ static inline __attribute__((always_inline)) msr_t rdmsr(unsigned int index)
return result;
}
static inline __attribute__((always_inline)) void wrmsr(unsigned int index,
msr_t msr)
static __always_inline void wrmsr(unsigned int index, msr_t msr)
{
__asm__ __volatile__ (
"wrmsr"