diff options
Diffstat (limited to 'src/cpu/p5/cpuid.c')
| -rw-r--r-- | src/cpu/p5/cpuid.c | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/src/cpu/p5/cpuid.c b/src/cpu/p5/cpuid.c deleted file mode 100644 index ab4a09d421..0000000000 --- a/src/cpu/p5/cpuid.c +++ /dev/null @@ -1,217 +0,0 @@ -#include <console/console.h> -#include <cpu/p5/cpuid.h> -#if i586==1 -#include <cpu/p6/msr.h> -#endif - - -int mtrr_check(void) -{ -#if i686==1 - /* Only Pentium Pro and later have MTRR */ - msr_t msr; - printk_debug("\nMTRR check\n"); - - msr = rdmsr(0x2ff); - msr.lo >>= 10; - - printk_debug("Fixed MTRRs : "); - if (msr.lo & 0x01) - printk_debug("Enabled\n"); - else - printk_debug("Disabled\n"); - - printk_debug("Variable MTRRs: "); - if (msr.lo & 0x02) - printk_debug("Enabled\n"); - else - printk_debug("Disabled\n"); - - printk_debug("\n"); - - post_code(0x93); - return ((int) msr.lo); -#else /* !i686 */ - return 0; -#endif /* i686 */ -} - -void display_cpuid(void) -{ - int op, eax, ebx, ecx, edx; - int max_op; - - max_op = 0; - - printk_debug("\n"); - - for (op = 0; op <= max_op; op++) { - cpuid(op, &eax, &ebx, &ecx, &edx); - - if (0 == op) { - max_op = eax; - printk_debug("Max cpuid index : %d\n", eax); - printk_debug("Vendor ID : " - "%c%c%c%c%c%c%c%c%c%c%c%c\n", - ebx, ebx >> 8, ebx >> 16, ebx >> 24, edx, - edx >> 8, edx >> 16, edx >> 24, ecx, ecx >> 8, - ecx >> 16, ecx >> 24); - } else if (1 == op) { - printk_debug("Processor Type : 0x%02x\n", - (eax >> 12) & 0x03); - printk_debug("Processor Family : 0x%02x\n", - (eax >> 8) & 0x0f); - printk_debug("Processor Model : 0x%02x\n", - (eax >> 4) & 0x0f); - printk_debug("Processor Mask : 0x%02x\n", - (ecx >> 0) & 0x0f); - printk_debug("Processor Stepping : 0x%02x\n", - (eax >> 0) & 0x0f); - printk_debug("Feature flags : 0x%08x\n", edx); - } else if (2 == op) { - int desc[4]; - int ii; - int _desc; - - printk_debug("\n"); - - printk_debug("Cache/TLB descriptor values: %d " - "reads required\n", eax & 0xff); - - desc[0] = eax; - desc[1] = ebx; - desc[2] = ecx; - desc[3] = edx; - - for (ii = 1; ii < 16; ii++) { - if (desc[ii >> 2] & 0x80000000) { - printk_debug("reserved descriptor\n"); - continue; - } - - _desc = - ((desc[ii >> 2]) >> ((ii & 0x3) << 3)) - & 0xff; - printk_debug("Desc 0x%02x : ", _desc); - - switch (_desc) { - case 0x00: - printk_debug("null\n"); - break; - - case 0x01: - printk_debug("Instr TLB: " - "4KB pages, " - "4-way set assoc, " - "32 entries\n"); - break; - - case 0x02: - printk_debug("Instr TLB: " - "4MB pages, " - "fully assoc, " "2 entries\n"); - break; - - case 0x03: - printk_debug("Data TLB: " - "4KB pages, " - "4-way set assoc, " - "64 entries\n"); - break; - - case 0x04: - printk_debug("Data TLB: " - "4MB pages, " - "4-way set assoc, " - "8 entries\n"); - break; - - case 0x06: - printk_debug("Inst cache: " - "8K bytes, " - "4-way set assoc, " - "32 byte line size\n"); - break; - - case 0x08: - printk_debug("Inst cache: " - "16K bytes, " - "4-way set assoc, " - "32 byte line size\n"); - break; - - case 0x0a: - printk_debug("Data cache: " - "8K bytes, " - "2-way set assoc, " - "32 byte line size\n"); - break; - - case 0x0c: - printk_debug("Data cache: " - "16K bytes, " - "2-way or 4-way set assoc, " - "32 byte line size\n"); - break; - - case 0x40: - printk_debug("No L2 cache\n"); - break; - - case 0x41: - printk_debug("L2 Unified cache: " - "128K bytes, " - "4-way set assoc, " - "32 byte line size\n"); - break; - - case 0x42: - printk_debug("L2 Unified cache: " - "256K bytes, " - "4-way set assoc, " - "32 byte line size\n"); - break; - - case 0x43: - printk_debug("L2 Unified cache: " - "512K bytes, " - "4-way set assoc, " - "32 byte line size\n"); - break; - - case 0x44: - printk_debug("L2 Unified cache: " - "1M byte, " - "4-way set assoc, " - "32 byte line size\n"); - break; - - case 0x45: - printk_debug("L2 Unified cache: " - "2M byte, " - "4-way set assoc, " - "32 byte line size\n"); - break; - - case 0x82: - printk_debug("L2 Unified cache: " - "256K bytes, " - "8-way set assoc, " - "32 byte line size\n"); - break; - - default: - printk_debug("UNKNOWN\n"); - } - } - printk_debug("\n"); - } else { - printk_debug("op: 0x%02x eax:0x%08x " - "ebx:0x%08x ecx:0x%08x edx:0x%08x\n", - op, eax, ebx, ecx, edx); - } - } - - printk_debug("\n"); - post_code(0x92); -} |