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authorKyösti Mälkki <kyosti.malkki@gmail.com>2013-03-25 12:48:49 +0200
committerMarc Jones <marc.jones@se-eng.com>2013-04-04 04:52:18 +0200
commit190011e47c6187479db69344ccf87762009af444 (patch)
tree9fa99d7b08f37a734bcd4fd10e17ff94a78a6626 /src/include/cpu
parent4d6ab4e2ae25c8148e699e3821b71991ac4d80dc (diff)
AMD: Drop six copies of wrmsr_amd and rdmsr_amd
Based on comments in cpu/x86/msr.h for wrmsr/rdmsr, and for symmetry, I have added __attribute__((always_inline)) for these. Change-Id: Ia0a34c15241f9fbc8c78763386028ddcbe6690b1 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/2898 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Marc Jones <marc.jones@se-eng.com>
Diffstat (limited to 'src/include/cpu')
-rw-r--r--src/include/cpu/amd/amdfam12.h3
-rw-r--r--src/include/cpu/amd/amdfam14.h3
-rw-r--r--src/include/cpu/amd/amdfam15.h3
-rw-r--r--src/include/cpu/amd/model_10xxx_msr.h3
-rw-r--r--src/include/cpu/amd/mtrr.h20
5 files changed, 20 insertions, 12 deletions
diff --git a/src/include/cpu/amd/amdfam12.h b/src/include/cpu/amd/amdfam12.h
index c8d8fcf15f..9ad84bd4ee 100644
--- a/src/include/cpu/amd/amdfam12.h
+++ b/src/include/cpu/amd/amdfam12.h
@@ -33,9 +33,6 @@
#define CPU_ID_FEATURES_MSR 0xC0011004
#define CPU_ID_EXT_FEATURES_MSR 0xC0011005
-msr_t rdmsr_amd(u32 index);
-void wrmsr_amd(u32 index, msr_t msr);
-
//#if defined(__GNUC__)
//// it can be used to get unitid and coreid it running only
//struct node_core_id get_node_core_id(u32 nb_cfg_54);
diff --git a/src/include/cpu/amd/amdfam14.h b/src/include/cpu/amd/amdfam14.h
index 16581e3204..c39019b01d 100644
--- a/src/include/cpu/amd/amdfam14.h
+++ b/src/include/cpu/amd/amdfam14.h
@@ -33,9 +33,6 @@
#define CPU_ID_FEATURES_MSR 0xC0011004
#define CPU_ID_EXT_FEATURES_MSR 0xC0011005
-msr_t rdmsr_amd(u32 index);
-void wrmsr_amd(u32 index, msr_t msr);
-
#if defined(__PRE_RAM__)
void wait_all_core0_started(void);
void wait_all_other_cores_started(u32 bsp_apicid);
diff --git a/src/include/cpu/amd/amdfam15.h b/src/include/cpu/amd/amdfam15.h
index 01da63161f..0c2cf7bde7 100644
--- a/src/include/cpu/amd/amdfam15.h
+++ b/src/include/cpu/amd/amdfam15.h
@@ -35,9 +35,6 @@
#define CPU_ID_FEATURES_MSR 0xC0011004
#define CPU_ID_EXT_FEATURES_MSR 0xC0011005
-msr_t rdmsr_amd(u32 index);
-void wrmsr_amd(u32 index, msr_t msr);
-
#if defined(__PRE_RAM__)
void wait_all_core0_started(void);
void wait_all_other_cores_started(u32 bsp_apicid);
diff --git a/src/include/cpu/amd/model_10xxx_msr.h b/src/include/cpu/amd/model_10xxx_msr.h
index 7d630798e7..6678a4f6f3 100644
--- a/src/include/cpu/amd/model_10xxx_msr.h
+++ b/src/include/cpu/amd/model_10xxx_msr.h
@@ -39,7 +39,4 @@
#define LOGICAL_CPUS_NUM_MSR 0xC001100d
#define CPU_ID_EXT_FEATURES_MSR 0xC0011005
-msr_t rdmsr_amd(u32 index);
-void wrmsr_amd(u32 index, msr_t msr);
-
#endif /* CPU_AMD_MODEL_10XXX_MSR_H */
diff --git a/src/include/cpu/amd/mtrr.h b/src/include/cpu/amd/mtrr.h
index aa904e6a25..a9e672b48b 100644
--- a/src/include/cpu/amd/mtrr.h
+++ b/src/include/cpu/amd/mtrr.h
@@ -40,6 +40,26 @@
#if !defined(__PRE_RAM__) && !defined(__ASSEMBLER__)
void amd_setup_mtrrs(void);
+static inline __attribute__((always_inline)) msr_t rdmsr_amd(unsigned index)
+{
+ msr_t result;
+ __asm__ __volatile__ (
+ "rdmsr"
+ : "=a" (result.lo), "=d" (result.hi)
+ : "c"(index), "D"(0x9c5a203a)
+ );
+ return result;
+}
+
+static inline __attribute__((always_inline)) void wrmsr_amd(unsigned index, msr_t msr)
+{
+ __asm__ __volatile__ (
+ "wrmsr"
+ : /* No outputs */
+ : "c" (index), "a" (msr.lo), "d" (msr.hi), "D" (0x9c5a203a)
+ );
+}
+
/* To distribute topmem MSRs to APs. */
void setup_bsp_ramtop(void);
uint64_t bsp_topmem(void);