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x86: cpu_debug add support for various AMD CPUs
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Impact: Added AMD CPUs support

Added flags for various AMD CPUs.

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Jaswinder Singh Rajput authored and Ingo Molnar committed Mar 14, 2009
1 parent 91219bc commit f4c3c4c
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Showing 2 changed files with 136 additions and 47 deletions.
33 changes: 30 additions & 3 deletions arch/x86/include/asm/cpu_debug.h
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,8 @@ enum cpu_debug_bit {
CPU_VMX_BIT, /* VMX */
CPU_CALL_BIT, /* System Call */
CPU_BASE_BIT, /* BASE Address */
CPU_VER_BIT, /* Version ID */
CPU_CONF_BIT, /* Configuration */
CPU_SMM_BIT, /* System mgmt mode */
CPU_SVM_BIT, /*Secure Virtual Machine*/
CPU_OSVM_BIT, /* OS-Visible Workaround*/
Expand Down Expand Up @@ -69,6 +71,8 @@ enum cpu_debug_bit {
#define CPU_VMX (1 << CPU_VMX_BIT)
#define CPU_CALL (1 << CPU_CALL_BIT)
#define CPU_BASE (1 << CPU_BASE_BIT)
#define CPU_VER (1 << CPU_VER_BIT)
#define CPU_CONF (1 << CPU_CONF_BIT)
#define CPU_SMM (1 << CPU_SMM_BIT)
#define CPU_SVM (1 << CPU_SVM_BIT)
#define CPU_OSVM (1 << CPU_OSVM_BIT)
Expand Down Expand Up @@ -123,10 +127,15 @@ enum cpu_processor_bit {
CPU_INTEL_ATOM_BIT,
CPU_INTEL_XEON_P4_BIT,
CPU_INTEL_XEON_MP_BIT,
/* AMD */
CPU_AMD_K6_BIT,
CPU_AMD_K7_BIT,
CPU_AMD_K8_BIT,
CPU_AMD_0F_BIT,
CPU_AMD_10_BIT,
CPU_AMD_11_BIT,
};

#define CPU_ALL (~0) /* Select all CPUs */

#define CPU_INTEL_PENTIUM (1 << CPU_INTEL_PENTIUM_BIT)
#define CPU_INTEL_P6 (1 << CPU_INTEL_P6_BIT)
#define CPU_INTEL_PENTIUM_M (1 << CPU_INTEL_PENTIUM_M_BIT)
Expand Down Expand Up @@ -156,9 +165,27 @@ enum cpu_processor_bit {
#define CPU_PX_CX_AT (CPU_INTEL_PX | CPU_CX_AT)
#define CPU_PX_CX_AT_XE (CPU_INTEL_PX | CPU_CX_AT_XE)

/* Select all Intel CPUs*/
/* Select all supported Intel CPUs */
#define CPU_INTEL_ALL (CPU_INTEL_PENTIUM | CPU_PX_CX_AT_XE)

#define CPU_AMD_K6 (1 << CPU_AMD_K6_BIT)
#define CPU_AMD_K7 (1 << CPU_AMD_K7_BIT)
#define CPU_AMD_K8 (1 << CPU_AMD_K8_BIT)
#define CPU_AMD_0F (1 << CPU_AMD_0F_BIT)
#define CPU_AMD_10 (1 << CPU_AMD_10_BIT)
#define CPU_AMD_11 (1 << CPU_AMD_11_BIT)

#define CPU_K10_PLUS (CPU_AMD_10 | CPU_AMD_11)
#define CPU_K0F_PLUS (CPU_AMD_0F | CPU_K10_PLUS)
#define CPU_K8_PLUS (CPU_AMD_K8 | CPU_K0F_PLUS)
#define CPU_K7_PLUS (CPU_AMD_K7 | CPU_K8_PLUS)

/* Select all supported AMD CPUs */
#define CPU_AMD_ALL (CPU_AMD_K6 | CPU_K7_PLUS)

/* Select all supported CPUs */
#define CPU_ALL (CPU_INTEL_ALL | CPU_AMD_ALL)

#define MAX_CPU_FILES 512

struct cpu_private {
Expand Down
150 changes: 106 additions & 44 deletions arch/x86/kernel/cpu/cpu_debug.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -64,6 +64,8 @@ static struct cpu_debug_base cpu_base[] = {
{ "vmx", CPU_VMX, 0 },
{ "call", CPU_CALL, 0 },
{ "base", CPU_BASE, 0 },
{ "ver", CPU_VER, 0 },
{ "conf", CPU_CONF, 0 },
{ "smm", CPU_SMM, 0 },
{ "svm", CPU_SVM, 0 },
{ "osvm", CPU_OSVM, 0 },
Expand Down Expand Up @@ -177,54 +179,59 @@ static struct cpu_debug_range cpu_intel_range[] = {

/* AMD Registers Range */
static struct cpu_debug_range cpu_amd_range[] = {
{ 0x00000010, 0x00000010, CPU_TIME, CPU_ALL, },
{ 0x0000001B, 0x0000001B, CPU_APIC, CPU_ALL, },
{ 0x000000FE, 0x000000FE, CPU_MTRR, CPU_ALL, },

{ 0x00000174, 0x00000176, CPU_SYSENTER, CPU_ALL, },
{ 0x00000179, 0x0000017A, CPU_MC, CPU_ALL, },
{ 0x0000017B, 0x0000017B, CPU_MC, CPU_ALL, },
{ 0x000001D9, 0x000001D9, CPU_DEBUG, CPU_ALL, },
{ 0x000001DB, 0x000001DE, CPU_LBRANCH, CPU_ALL, },

{ 0x00000200, 0x0000020F, CPU_MTRR, CPU_ALL, },
{ 0x00000250, 0x00000250, CPU_MTRR, CPU_ALL, },
{ 0x00000258, 0x00000259, CPU_MTRR, CPU_ALL, },
{ 0x00000268, 0x0000026F, CPU_MTRR, CPU_ALL, },
{ 0x00000277, 0x00000277, CPU_PAT, CPU_ALL, },
{ 0x000002FF, 0x000002FF, CPU_MTRR, CPU_ALL, },

{ 0x00000400, 0x00000417, CPU_MC, CPU_ALL, },

{ 0xC0000080, 0xC0000080, CPU_FEATURES, CPU_ALL, },
{ 0xC0000081, 0xC0000084, CPU_CALL, CPU_ALL, },
{ 0xC0000100, 0xC0000102, CPU_BASE, CPU_ALL, },
{ 0xC0000103, 0xC0000103, CPU_TIME, CPU_ALL, },

{ 0xC0000408, 0xC000040A, CPU_MC, CPU_ALL, },

{ 0xc0010000, 0xc0010007, CPU_PMC, CPU_ALL, },
{ 0xc0010010, 0xc0010010, CPU_MTRR, CPU_ALL, },
{ 0xc0010016, 0xc001001A, CPU_MTRR, CPU_ALL, },
{ 0xc001001D, 0xc001001D, CPU_MTRR, CPU_ALL, },
{ 0xc0010030, 0xc0010035, CPU_BIOS, CPU_ALL, },
{ 0xc0010056, 0xc0010056, CPU_SMM, CPU_ALL, },
{ 0xc0010061, 0xc0010063, CPU_SMM, CPU_ALL, },
{ 0xc0010074, 0xc0010074, CPU_MC, CPU_ALL, },
{ 0xc0010111, 0xc0010113, CPU_SMM, CPU_ALL, },
{ 0xc0010114, 0xc0010118, CPU_SVM, CPU_ALL, },
{ 0xc0010119, 0xc001011A, CPU_SMM, CPU_ALL, },
{ 0xc0010140, 0xc0010141, CPU_OSVM, CPU_ALL, },
{ 0xc0010156, 0xc0010156, CPU_SMM, CPU_ALL, },
{ 0x00000000, 0x00000001, CPU_MC, CPU_K10_PLUS, },
{ 0x00000010, 0x00000010, CPU_TIME, CPU_K8_PLUS, },
{ 0x0000001B, 0x0000001B, CPU_APIC, CPU_K8_PLUS, },
{ 0x0000002A, 0x0000002A, CPU_POWERON, CPU_K7_PLUS },
{ 0x0000008B, 0x0000008B, CPU_VER, CPU_K8_PLUS },
{ 0x000000FE, 0x000000FE, CPU_MTRR, CPU_K8_PLUS, },

{ 0x00000174, 0x00000176, CPU_SYSENTER, CPU_K8_PLUS, },
{ 0x00000179, 0x0000017B, CPU_MC, CPU_K8_PLUS, },
{ 0x000001D9, 0x000001D9, CPU_DEBUG, CPU_K8_PLUS, },
{ 0x000001DB, 0x000001DE, CPU_LBRANCH, CPU_K8_PLUS, },

{ 0x00000200, 0x0000020F, CPU_MTRR, CPU_K8_PLUS, },
{ 0x00000250, 0x00000250, CPU_MTRR, CPU_K8_PLUS, },
{ 0x00000258, 0x00000259, CPU_MTRR, CPU_K8_PLUS, },
{ 0x00000268, 0x0000026F, CPU_MTRR, CPU_K8_PLUS, },
{ 0x00000277, 0x00000277, CPU_PAT, CPU_K8_PLUS, },
{ 0x000002FF, 0x000002FF, CPU_MTRR, CPU_K8_PLUS, },

{ 0x00000400, 0x00000413, CPU_MC, CPU_K8_PLUS, },

{ 0xC0000080, 0xC0000080, CPU_FEATURES, CPU_AMD_ALL, },
{ 0xC0000081, 0xC0000084, CPU_CALL, CPU_K8_PLUS, },
{ 0xC0000100, 0xC0000102, CPU_BASE, CPU_K8_PLUS, },
{ 0xC0000103, 0xC0000103, CPU_TIME, CPU_K10_PLUS, },

{ 0xC0010000, 0xC0010007, CPU_PMC, CPU_K8_PLUS, },
{ 0xC0010010, 0xC0010010, CPU_CONF, CPU_K7_PLUS, },
{ 0xC0010015, 0xC0010015, CPU_CONF, CPU_K7_PLUS, },
{ 0xC0010016, 0xC001001A, CPU_MTRR, CPU_K8_PLUS, },
{ 0xC001001D, 0xC001001D, CPU_MTRR, CPU_K8_PLUS, },
{ 0xC001001F, 0xC001001F, CPU_CONF, CPU_K8_PLUS, },
{ 0xC0010030, 0xC0010035, CPU_BIOS, CPU_K8_PLUS, },
{ 0xC0010044, 0xC0010048, CPU_MC, CPU_K8_PLUS, },
{ 0xC0010050, 0xC0010056, CPU_SMM, CPU_K0F_PLUS, },
{ 0xC0010058, 0xC0010058, CPU_CONF, CPU_K10_PLUS, },
{ 0xC0010060, 0xC0010060, CPU_CACHE, CPU_AMD_11, },
{ 0xC0010061, 0xC0010068, CPU_SMM, CPU_K10_PLUS, },
{ 0xC0010069, 0xC001006B, CPU_SMM, CPU_AMD_11, },
{ 0xC0010070, 0xC0010071, CPU_SMM, CPU_K10_PLUS, },
{ 0xC0010111, 0xC0010113, CPU_SMM, CPU_K8_PLUS, },
{ 0xC0010114, 0xC0010118, CPU_SVM, CPU_K10_PLUS, },
{ 0xC0010140, 0xC0010141, CPU_OSVM, CPU_K10_PLUS, },
{ 0xC0011022, 0xC0011023, CPU_CONF, CPU_K10_PLUS, },
};


static int get_cpu_modelflag(unsigned cpu)
/* Intel */
static int get_intel_modelflag(unsigned model)
{
int flag;

switch (per_cpu(cpu_model, cpu)) {
/* Intel */
switch (model) {
case 0x0501:
case 0x0502:
case 0x0504:
Expand Down Expand Up @@ -271,6 +278,59 @@ static int get_cpu_modelflag(unsigned cpu)
return flag;
}

/* AMD */
static int get_amd_modelflag(unsigned model)
{
int flag;

switch (model >> 8) {
case 0x6:
flag = CPU_AMD_K6;
break;
case 0x7:
flag = CPU_AMD_K7;
break;
case 0x8:
flag = CPU_AMD_K8;
break;
case 0xf:
flag = CPU_AMD_0F;
break;
case 0x10:
flag = CPU_AMD_10;
break;
case 0x11:
flag = CPU_AMD_11;
break;
default:
flag = CPU_NONE;
break;
}

return flag;
}

static int get_cpu_modelflag(unsigned cpu)
{
int flag;

flag = per_cpu(cpu_model, cpu);

switch (flag >> 16) {
case X86_VENDOR_INTEL:
flag = get_intel_modelflag(flag);
break;
case X86_VENDOR_AMD:
flag = get_amd_modelflag(flag & 0xffff);
break;
default:
flag = CPU_NONE;
break;
}

return flag;
}

static int get_cpu_range_count(unsigned cpu)
{
int index;
Expand Down Expand Up @@ -311,7 +371,8 @@ static int is_typeflag_valid(unsigned cpu, unsigned flag)
return 1;
break;
case X86_VENDOR_AMD:
if (cpu_amd_range[i].flag & flag)
if ((cpu_amd_range[i].model & modelflag) &&
(cpu_amd_range[i].flag & flag))
return 1;
break;
}
Expand All @@ -337,7 +398,8 @@ static unsigned get_cpu_range(unsigned cpu, unsigned *min, unsigned *max,
}
break;
case X86_VENDOR_AMD:
if (cpu_amd_range[index].flag & flag) {
if ((cpu_amd_range[index].model & modelflag) &&
(cpu_amd_range[index].flag & flag)) {
*min = cpu_amd_range[index].min;
*max = cpu_amd_range[index].max;
}
Expand Down

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