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Remove unnecessary calls to CPUID.Get()

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This commit is contained in:
EnderIce2
2024-02-25 18:43:11 +02:00
parent 578b8f74da
commit 3eb25c8e14
12 changed files with 164 additions and 530 deletions
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222
include/cpu/x86/cpuid_intel.hpp
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@ -19,6 +19,7 @@
#define __FENNIX_KERNEL_CPU_x86_CPUID_INTEL_H__
#include <types.h>
#include <debug.h>
#if defined(a64)
typedef uint64_t cpuid_t;
@ -28,6 +29,42 @@ typedef uint32_t cpuid_t;
typedef uint64_t cpuid_t;
#endif // a64 || a32
#if defined(a86)
#define __intel_cpuid_init(leaf) \
CPUID##leaf() \
{ \
asmv("cpuid" \
: "=a"(EAX.raw), "=b"(EBX.raw), \
"=c"(ECX.raw), "=d"(EDX.raw) \
: "a"(leaf)); \
if (!EAX.raw && !EBX.raw && !ECX.raw && !EDX.raw) \
warn("cpuid not supported"); \
}
#define __intel_cpuid_init2(leaf, leaf2, suffix) \
CPUID##leaf##suffix() \
{ \
asmv("cpuid" \
: "=a"(EAX.raw), "=b"(EBX.raw), \
"=c"(ECX.raw), "=d"(EDX.raw) \
: "a"(leaf), "c"(leaf2)); \
if (!EAX.raw && !EBX.raw && !ECX.raw && !EDX.raw) \
warn("cpuid not supported"); \
}
#else
#define __intel_cpuid_init(leaf) \
CPUID##leaf() \
{ \
assert(!"cpuid not implemented for this architecture"); \
}
#define __intel_cpuid_init2(leaf, leaf2, suffix) \
CPUID##leaf##suffix() \
{ \
assert(!"cpuid not implemented for this architecture"); \
}
#endif
namespace CPU
{
namespace x86
@ -38,14 +75,7 @@ namespace CPU
/** @brief Basic CPU information */
struct CPUID0x00000000
{
__always_inline inline void Get()
{
#if defined(a86)
asmv("cpuid"
: "=a"(EAX.raw), "=b"(EBX.raw), "=c"(ECX.raw), "=d"(EDX.raw)
: "a"(0x0));
#endif // a64 || a32
}
__intel_cpuid_init(0x00000000);
union
{
@ -84,14 +114,7 @@ namespace CPU
/** @brief Additional CPU information */
struct CPUID0x00000001
{
__always_inline inline void Get()
{
#if defined(a86)
asmv("cpuid"
: "=a"(EAX.raw), "=b"(EBX.raw), "=c"(ECX.raw), "=d"(EDX.raw)
: "a"(0x1));
#endif // a64 || a32
}
__intel_cpuid_init(0x00000001);
union
{
@ -102,7 +125,7 @@ namespace CPU
uint32_t Family : 4;
/**
* @brief Processor Type
*
*
* 00: Original OEM Processor
* 01: Intel OverDrive Processor
* 10: Dual processor
@ -217,14 +240,7 @@ namespace CPU
/** @brief CPU cache and TLB */ /* FIXME TODO */
struct CPUID0x00000002
{
__always_inline inline void Get()
{
#if defined(a86)
asmv("cpuid"
: "=a"(EAX.raw), "=b"(EBX.raw), "=c"(ECX.raw), "=d"(EDX.raw)
: "a"(0x2));
#endif // a64 || a32
}
__intel_cpuid_init(0x00000002);
union
{
@ -278,14 +294,7 @@ namespace CPU
/** @brief CPU serial number */
struct CPUID0x00000003
{
__always_inline inline void Get()
{
#if defined(a86)
asmv("cpuid"
: "=a"(EAX.raw), "=b"(EBX.raw), "=c"(ECX.raw), "=d"(EDX.raw)
: "a"(0x3));
#endif // a64 || a32
}
__intel_cpuid_init(0x00000003);
union
{
@ -327,14 +336,7 @@ namespace CPU
/** @brief Cache information */
struct CPUID0x00000004_1
{
__always_inline inline void Get()
{
#if defined(a86)
asmv("cpuid"
: "=a"(EAX.raw), "=b"(EBX.raw), "=c"(ECX.raw), "=d"(EDX.raw)
: "a"(0x4), "c"(0x1)); /* FIXME */
#endif // a64 || a32
}
__intel_cpuid_init2(0x00000004, 0x1, _1);
union
{
@ -384,14 +386,7 @@ namespace CPU
/** @brief MONITOR information */
struct CPUID0x00000005
{
__always_inline inline void Get()
{
#if defined(a86)
asmv("cpuid"
: "=a"(EAX.raw), "=b"(EBX.raw), "=c"(ECX.raw), "=d"(EDX.raw)
: "a"(0x5));
#endif // a64 || a32
}
__intel_cpuid_init(0x00000005);
union
{
@ -442,14 +437,7 @@ namespace CPU
/** @brief Thermal and power management information */
struct CPUID0x00000006
{
__always_inline inline void Get()
{
#if defined(a86)
asmv("cpuid"
: "=a"(EAX.raw), "=b"(EBX.raw), "=c"(ECX.raw), "=d"(EDX.raw)
: "a"(0x6));
#endif // a64 || a32
}
__intel_cpuid_init(0x00000006);
union
{
@ -494,14 +482,7 @@ namespace CPU
/** @brief Extended feature flags enumeration */
struct CPUID0x00000007_0
{
__always_inline inline void Get()
{
#if defined(a86)
asmv("cpuid"
: "=a"(EAX.raw), "=b"(EBX.raw), "=c"(ECX.raw), "=d"(EDX.raw)
: "a"(0x7), "c"(0x0)); /* FIXME */
#endif // a64 || a32
}
__intel_cpuid_init2(0x00000007, 0x0, _0);
union
{
@ -720,14 +701,7 @@ namespace CPU
/** @brief Extended feature flags enumeration */
struct CPUID0x00000007_1
{
__always_inline inline void Get()
{
#if defined(a86)
asmv("cpuid"
: "=a"(EAX.raw), "=b"(EBX.raw), "=c"(ECX.raw), "=d"(EDX.raw)
: "a"(0x7), "c"(0x1)); /* FIXME */
#endif // a64 || a32
}
__intel_cpuid_init2(0x00000007, 0x1, _1);
union
{
@ -826,14 +800,7 @@ namespace CPU
/** @brief Performance monitors */
struct CPUID0x0000000A
{
__always_inline inline void Get()
{
#if defined(a86)
asmv("cpuid"
: "=a"(EAX.raw), "=b"(EBX.raw), "=c"(ECX.raw), "=d"(EDX.raw)
: "a"(0xA));
#endif // a64 || a32
}
__intel_cpuid_init(0x0000000A);
union
{
@ -887,14 +854,7 @@ namespace CPU
/** @brief Get CPU frequency information */
struct CPUID0x00000015
{
__always_inline inline void Get()
{
#if defined(a86)
asmv("cpuid"
: "=a"(EAX.raw), "=b"(EBX.raw), "=c"(ECX.raw), "=d"(EDX.raw)
: "a"(0x15));
#endif // a64 || a32
}
__intel_cpuid_init(0x00000015);
union
{
@ -948,14 +908,7 @@ namespace CPU
/** @brief Get CPU frequency information */
struct CPUID0x00000016
{
__always_inline inline void Get()
{
#if defined(a86)
asmv("cpuid"
: "=a"(EAX.raw), "=b"(EBX.raw), "=c"(ECX.raw), "=d"(EDX.raw)
: "a"(0x16));
#endif // a64 || a32
}
__intel_cpuid_init(0x00000016);
union
{
@ -1009,14 +962,7 @@ namespace CPU
/** @brief Extended CPU information */
struct CPUID0x80000000
{
__always_inline inline void Get()
{
#if defined(a86)
asmv("cpuid"
: "=a"(EAX.raw), "=b"(EBX.raw), "=c"(ECX.raw), "=d"(EDX.raw)
: "a"(0x80000000));
#endif // a64 || a32
}
__intel_cpuid_init(0x80000000);
union
{
@ -1059,14 +1005,7 @@ namespace CPU
/** @brief Extended CPU information */
struct CPUID0x80000001
{
__always_inline inline void Get()
{
#if defined(a86)
asmv("cpuid"
: "=a"(EAX.raw), "=b"(EBX.raw), "=c"(ECX.raw), "=d"(EDX.raw)
: "a"(0x80000001));
#endif // a64 || a32
}
__intel_cpuid_init(0x80000001);
union
{
@ -1116,14 +1055,7 @@ namespace CPU
/** @brief CPU brand string */
struct CPUID0x80000002
{
__always_inline inline void Get()
{
#if defined(a86)
asmv("cpuid"
: "=a"(EAX.raw), "=b"(EBX.raw), "=c"(ECX.raw), "=d"(EDX.raw)
: "a"(0x80000002));
#endif // a64 || a32
}
__intel_cpuid_init(0x80000002);
union
{
@ -1166,14 +1098,7 @@ namespace CPU
/** @brief CPU brand string */
struct CPUID0x80000003
{
__always_inline inline void Get()
{
#if defined(a86)
asmv("cpuid"
: "=a"(EAX.raw), "=b"(EBX.raw), "=c"(ECX.raw), "=d"(EDX.raw)
: "a"(0x80000003));
#endif // a64 || a32
}
__intel_cpuid_init(0x80000003);
union
{
@ -1216,14 +1141,7 @@ namespace CPU
/** @brief CPU brand string */
struct CPUID0x80000004
{
__always_inline inline void Get()
{
#if defined(a86)
asmv("cpuid"
: "=a"(EAX.raw), "=b"(EBX.raw), "=c"(ECX.raw), "=d"(EDX.raw)
: "a"(0x80000004));
#endif // a64 || a32
}
__intel_cpuid_init(0x80000004);
union
{
@ -1266,14 +1184,7 @@ namespace CPU
/** @brief CPU cache line information */
struct CPUID0x80000006
{
__always_inline inline void Get()
{
#if defined(a86)
asmv("cpuid"
: "=a"(EAX.raw), "=b"(EBX.raw), "=c"(ECX.raw), "=d"(EDX.raw)
: "a"(0x80000006));
#endif // a64 || a32
}
__intel_cpuid_init(0x80000006);
union
{
@ -1325,14 +1236,7 @@ namespace CPU
/** @brief Virtual and physical memory size */
struct CPUID0x80000008
{
__always_inline inline void Get()
{
#if defined(a86)
asmv("cpuid"
: "=a"(EAX.raw), "=b"(EBX.raw), "=c"(ECX.raw), "=d"(EDX.raw)
: "a"(0x80000008));
#endif // a64 || a32
}
__intel_cpuid_init(0x80000008);
union
{
@ -1377,14 +1281,7 @@ namespace CPU
/** @brief Secure virtual machine parameters */
struct CPUID0x8000000A
{
__always_inline inline void Get()
{
#if defined(a86)
asmv("cpuid"
: "=a"(EAX.raw), "=b"(EBX.raw), "=c"(ECX.raw), "=d"(EDX.raw)
: "a"(0x8000000A));
#endif // a64 || a32
}
__intel_cpuid_init(0x8000000A);
union
{
@ -1428,4 +1325,7 @@ namespace CPU
}
}
#undef __intel_cpuid_init
#undef __intel_cpuid_init2
#endif // !__FENNIX_KERNEL_CPU_x86_CPUID_INTEL_H__