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HV: load cpu px data in boot

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The patch takes Intel ATOM A3960 as example that hard code all Px info
which is needed for Px control into Acrn HV and load it in boot process.

Signed-off-by: Victor Sun <victor.sun@intel.com>
Acked-by: Kevin Tian <kevin.tian@intel.com>
This commit is contained in:
Victor Sun
2018-04-04 14:29:46 +08:00
committed by Jack Ren
parent 4cd2717038
commit a28fbd15b5
6 changed files with 170 additions and 0 deletions
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4
hypervisor/include/arch/x86/cpu.h
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@@ -237,10 +237,14 @@ struct cpuinfo_x86 {
uint64_t physical_address_mask;
uint32_t cpuid_leaves[FEATURE_WORDS];
char model_name[64];
uint8_t px_cnt;
struct cpu_px_data *px_data;
};
extern struct cpuinfo_x86 boot_cpu_data;
#define MAX_PSTATE 20
/* Function prototypes */
void cpu_halt(uint32_t logical_id);
uint64_t cpu_cycles_per_second(void);