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authorJaswinder Singh Rajput <jaswinder@kernel.org>2009-06-05 13:57:17 -0400
committerIngo Molnar <mingo@elte.hu>2009-06-07 06:22:56 -0400
commit5095f59bda6793a7b8f0856096d6893fe98e0e51 (patch)
tree07678e9f4dbe337e3dd5b588fceda22af24fb5ca
parent5f4457a4f62cc9d78e04c0eb12ff0540899aad89 (diff)
x86: cpu_debug: Remove model information to reduce encoding-decoding
Remove model information, encoding/decoding and reduce bookkeeping. This, besides removing a lot of code and cleaning up the code, also enables these features on many more CPUs that were enumerated before. Reported-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> LKML-Reference: <1244224637.8212.6.camel@ht.satnam> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat
-rw-r--r--arch/x86/include/asm/cpu_debug.h101
-rw-r--r--arch/x86/kernel/cpu/cpu_debug.c417
2 files changed, 97 insertions, 421 deletions
diff --git a/arch/x86/include/asm/cpu_debug.h b/arch/x86/include/asm/cpu_debug.h
index 222802029fa6..d96c1ee3a95c 100644
--- a/arch/x86/include/asm/cpu_debug.h
+++ b/arch/x86/include/asm/cpu_debug.h
@@ -86,105 +86,7 @@ enum cpu_file_bit {
86 CPU_VALUE_BIT, /* value */ 86 CPU_VALUE_BIT, /* value */
87}; 87};
88 88
89#define CPU_FILE_VALUE (1 << CPU_VALUE_BIT) 89#define CPU_FILE_VALUE (1 << CPU_VALUE_BIT)
90
91/*
92 * DisplayFamily_DisplayModel Processor Families/Processor Number Series
93 * -------------------------- ------------------------------------------
94 * 05_01, 05_02, 05_04 Pentium, Pentium with MMX
95 *
96 * 06_01 Pentium Pro
97 * 06_03, 06_05 Pentium II Xeon, Pentium II
98 * 06_07, 06_08, 06_0A, 06_0B Pentium III Xeon, Pentum III
99 *
100 * 06_09, 060D Pentium M
101 *
102 * 06_0E Core Duo, Core Solo
103 *
104 * 06_0F Xeon 3000, 3200, 5100, 5300, 7300 series,
105 * Core 2 Quad, Core 2 Extreme, Core 2 Duo,
106 * Pentium dual-core
107 * 06_17 Xeon 5200, 5400 series, Core 2 Quad Q9650
108 *
109 * 06_1C Atom
110 *
111 * 0F_00, 0F_01, 0F_02 Xeon, Xeon MP, Pentium 4
112 * 0F_03, 0F_04 Xeon, Xeon MP, Pentium 4, Pentium D
113 *
114 * 0F_06 Xeon 7100, 5000 Series, Xeon MP,
115 * Pentium 4, Pentium D
116 */
117
118/* Register processors bits */
119enum cpu_processor_bit {
120 CPU_NONE,
121/* Intel */
122 CPU_INTEL_PENTIUM_BIT,
123 CPU_INTEL_P6_BIT,
124 CPU_INTEL_PENTIUM_M_BIT,
125 CPU_INTEL_CORE_BIT,
126 CPU_INTEL_CORE2_BIT,
127 CPU_INTEL_ATOM_BIT,
128 CPU_INTEL_XEON_P4_BIT,
129 CPU_INTEL_XEON_MP_BIT,
130/* AMD */
131 CPU_AMD_K6_BIT,
132 CPU_AMD_K7_BIT,
133 CPU_AMD_K8_BIT,
134 CPU_AMD_0F_BIT,
135 CPU_AMD_10_BIT,
136 CPU_AMD_11_BIT,
137};
138
139#define CPU_INTEL_PENTIUM (1 << CPU_INTEL_PENTIUM_BIT)
140#define CPU_INTEL_P6 (1 << CPU_INTEL_P6_BIT)
141#define CPU_INTEL_PENTIUM_M (1 << CPU_INTEL_PENTIUM_M_BIT)
142#define CPU_INTEL_CORE (1 << CPU_INTEL_CORE_BIT)
143#define CPU_INTEL_CORE2 (1 << CPU_INTEL_CORE2_BIT)
144#define CPU_INTEL_ATOM (1 << CPU_INTEL_ATOM_BIT)
145#define CPU_INTEL_XEON_P4 (1 << CPU_INTEL_XEON_P4_BIT)
146#define CPU_INTEL_XEON_MP (1 << CPU_INTEL_XEON_MP_BIT)
147
148#define CPU_INTEL_PX (CPU_INTEL_P6 | CPU_INTEL_PENTIUM_M)
149#define CPU_INTEL_COREX (CPU_INTEL_CORE | CPU_INTEL_CORE2)
150#define CPU_INTEL_XEON (CPU_INTEL_XEON_P4 | CPU_INTEL_XEON_MP)
151#define CPU_CO_AT (CPU_INTEL_CORE | CPU_INTEL_ATOM)
152#define CPU_C2_AT (CPU_INTEL_CORE2 | CPU_INTEL_ATOM)
153#define CPU_CX_AT (CPU_INTEL_COREX | CPU_INTEL_ATOM)
154#define CPU_CX_XE (CPU_INTEL_COREX | CPU_INTEL_XEON)
155#define CPU_P6_XE (CPU_INTEL_P6 | CPU_INTEL_XEON)
156#define CPU_PM_CO_AT (CPU_INTEL_PENTIUM_M | CPU_CO_AT)
157#define CPU_C2_AT_XE (CPU_C2_AT | CPU_INTEL_XEON)
158#define CPU_CX_AT_XE (CPU_CX_AT | CPU_INTEL_XEON)
159#define CPU_P6_CX_AT (CPU_INTEL_P6 | CPU_CX_AT)
160#define CPU_P6_CX_XE (CPU_P6_XE | CPU_INTEL_COREX)
161#define CPU_P6_CX_AT_XE (CPU_INTEL_P6 | CPU_CX_AT_XE)
162#define CPU_PM_CX_AT_XE (CPU_INTEL_PENTIUM_M | CPU_CX_AT_XE)
163#define CPU_PM_CX_AT (CPU_INTEL_PENTIUM_M | CPU_CX_AT)
164#define CPU_PM_CX_XE (CPU_INTEL_PENTIUM_M | CPU_CX_XE)
165#define CPU_PX_CX_AT (CPU_INTEL_PX | CPU_CX_AT)
166#define CPU_PX_CX_AT_XE (CPU_INTEL_PX | CPU_CX_AT_XE)
167
168/* Select all supported Intel CPUs */
169#define CPU_INTEL_ALL (CPU_INTEL_PENTIUM | CPU_PX_CX_AT_XE)
170
171#define CPU_AMD_K6 (1 << CPU_AMD_K6_BIT)
172#define CPU_AMD_K7 (1 << CPU_AMD_K7_BIT)
173#define CPU_AMD_K8 (1 << CPU_AMD_K8_BIT)
174#define CPU_AMD_0F (1 << CPU_AMD_0F_BIT)
175#define CPU_AMD_10 (1 << CPU_AMD_10_BIT)
176#define CPU_AMD_11 (1 << CPU_AMD_11_BIT)
177
178#define CPU_K10_PLUS (CPU_AMD_10 | CPU_AMD_11)
179#define CPU_K0F_PLUS (CPU_AMD_0F | CPU_K10_PLUS)
180#define CPU_K8_PLUS (CPU_AMD_K8 | CPU_K0F_PLUS)
181#define CPU_K7_PLUS (CPU_AMD_K7 | CPU_K8_PLUS)
182
183/* Select all supported AMD CPUs */
184#define CPU_AMD_ALL (CPU_AMD_K6 | CPU_K7_PLUS)
185
186/* Select all supported CPUs */
187#define CPU_ALL (CPU_INTEL_ALL | CPU_AMD_ALL)
188 90
189#define MAX_CPU_FILES 512 91#define MAX_CPU_FILES 512
190 92
@@ -220,7 +122,6 @@ struct cpu_debug_range {
220 unsigned min; /* Register range min */ 122 unsigned min; /* Register range min */
221 unsigned max; /* Register range max */ 123 unsigned max; /* Register range max */
222 unsigned flag; /* Supported flags */ 124 unsigned flag; /* Supported flags */
223 unsigned model; /* Supported models */
224}; 125};
225 126
226#endif /* _ASM_X86_CPU_DEBUG_H */ 127#endif /* _ASM_X86_CPU_DEBUG_H */
diff --git a/arch/x86/kernel/cpu/cpu_debug.c b/arch/x86/kernel/cpu/cpu_debug.c
index 46e29ab96c6a..86afe13fc311 100644
--- a/arch/x86/kernel/cpu/cpu_debug.c
+++ b/arch/x86/kernel/cpu/cpu_debug.c
@@ -32,9 +32,7 @@
32 32
33static DEFINE_PER_CPU(struct cpu_cpuX_base, cpu_arr[CPU_REG_ALL_BIT]); 33static DEFINE_PER_CPU(struct cpu_cpuX_base, cpu_arr[CPU_REG_ALL_BIT]);
34static DEFINE_PER_CPU(struct cpu_private *, priv_arr[MAX_CPU_FILES]); 34static DEFINE_PER_CPU(struct cpu_private *, priv_arr[MAX_CPU_FILES]);
35static DEFINE_PER_CPU(unsigned, cpu_modelflag);
36static DEFINE_PER_CPU(int, cpu_priv_count); 35static DEFINE_PER_CPU(int, cpu_priv_count);
37static DEFINE_PER_CPU(unsigned, cpu_model);
38 36
39static DEFINE_MUTEX(cpu_debug_lock); 37static DEFINE_MUTEX(cpu_debug_lock);
40 38
@@ -80,302 +78,102 @@ static struct cpu_file_base cpu_file[] = {
80 { "value", CPU_REG_ALL, 1 }, 78 { "value", CPU_REG_ALL, 1 },
81}; 79};
82 80
83/* Intel Registers Range */ 81/* CPU Registers Range */
84static struct cpu_debug_range cpu_intel_range[] = { 82static struct cpu_debug_range cpu_reg_range[] = {
85 { 0x00000000, 0x00000001, CPU_MC, CPU_INTEL_ALL }, 83 { 0x00000000, 0x00000001, CPU_MC, },
86 { 0x00000006, 0x00000007, CPU_MONITOR, CPU_CX_AT_XE }, 84 { 0x00000006, 0x00000007, CPU_MONITOR, },
87 { 0x00000010, 0x00000010, CPU_TIME, CPU_INTEL_ALL }, 85 { 0x00000010, 0x00000010, CPU_TIME, },
88 { 0x00000011, 0x00000013, CPU_PMC, CPU_INTEL_PENTIUM }, 86 { 0x00000011, 0x00000013, CPU_PMC, },
89 { 0x00000017, 0x00000017, CPU_PLATFORM, CPU_PX_CX_AT_XE }, 87 { 0x00000017, 0x00000017, CPU_PLATFORM, },
90 { 0x0000001B, 0x0000001B, CPU_APIC, CPU_P6_CX_AT_XE }, 88 { 0x0000001B, 0x0000001B, CPU_APIC, },
91 89 { 0x0000002A, 0x0000002B, CPU_POWERON, },
92 { 0x0000002A, 0x0000002A, CPU_POWERON, CPU_PX_CX_AT_XE }, 90 { 0x0000002C, 0x0000002C, CPU_FREQ, },
93 { 0x0000002B, 0x0000002B, CPU_POWERON, CPU_INTEL_XEON }, 91 { 0x0000003A, 0x0000003A, CPU_CONTROL, },
94 { 0x0000002C, 0x0000002C, CPU_FREQ, CPU_INTEL_XEON }, 92 { 0x00000040, 0x00000047, CPU_LBRANCH, },
95 { 0x0000003A, 0x0000003A, CPU_CONTROL, CPU_CX_AT_XE }, 93 { 0x00000060, 0x00000067, CPU_LBRANCH, },
96 94 { 0x00000079, 0x00000079, CPU_BIOS, },
97 { 0x00000040, 0x00000043, CPU_LBRANCH, CPU_PM_CX_AT_XE }, 95 { 0x00000088, 0x0000008A, CPU_CACHE, },
98 { 0x00000044, 0x00000047, CPU_LBRANCH, CPU_PM_CO_AT }, 96 { 0x0000008B, 0x0000008B, CPU_BIOS, },
99 { 0x00000060, 0x00000063, CPU_LBRANCH, CPU_C2_AT }, 97 { 0x0000009B, 0x0000009B, CPU_MONITOR, },
100 { 0x00000064, 0x00000067, CPU_LBRANCH, CPU_INTEL_ATOM }, 98 { 0x000000C1, 0x000000C4, CPU_PMC, },
101 99 { 0x000000CD, 0x000000CD, CPU_FREQ, },
102 { 0x00000079, 0x00000079, CPU_BIOS, CPU_P6_CX_AT_XE }, 100 { 0x000000E7, 0x000000E8, CPU_PERF, },
103 { 0x00000088, 0x0000008A, CPU_CACHE, CPU_INTEL_P6 }, 101 { 0x000000FE, 0x000000FE, CPU_MTRR, },
104 { 0x0000008B, 0x0000008B, CPU_BIOS, CPU_P6_CX_AT_XE }, 102
105 { 0x0000009B, 0x0000009B, CPU_MONITOR, CPU_INTEL_XEON }, 103 { 0x00000116, 0x0000011E, CPU_CACHE, },
106 104 { 0x00000174, 0x00000176, CPU_SYSENTER, },
107 { 0x000000C1, 0x000000C2, CPU_PMC, CPU_P6_CX_AT }, 105 { 0x00000179, 0x0000017B, CPU_MC, },
108 { 0x000000CD, 0x000000CD, CPU_FREQ, CPU_CX_AT }, 106 { 0x00000186, 0x00000189, CPU_PMC, },
109 { 0x000000E7, 0x000000E8, CPU_PERF, CPU_CX_AT }, 107 { 0x00000198, 0x00000199, CPU_PERF, },
110 { 0x000000FE, 0x000000FE, CPU_MTRR, CPU_P6_CX_XE }, 108 { 0x0000019A, 0x0000019A, CPU_TIME, },
111 109 { 0x0000019B, 0x0000019D, CPU_THERM, },
112 { 0x00000116, 0x00000116, CPU_CACHE, CPU_INTEL_P6 }, 110 { 0x000001A0, 0x000001A0, CPU_MISC, },
113 { 0x00000118, 0x00000118, CPU_CACHE, CPU_INTEL_P6 }, 111 { 0x000001C9, 0x000001C9, CPU_LBRANCH, },
114 { 0x00000119, 0x00000119, CPU_CACHE, CPU_INTEL_PX }, 112 { 0x000001D7, 0x000001D8, CPU_LBRANCH, },
115 { 0x0000011A, 0x0000011B, CPU_CACHE, CPU_INTEL_P6 }, 113 { 0x000001D9, 0x000001D9, CPU_DEBUG, },
116 { 0x0000011E, 0x0000011E, CPU_CACHE, CPU_PX_CX_AT }, 114 { 0x000001DA, 0x000001E0, CPU_LBRANCH, },
117 115
118 { 0x00000174, 0x00000176, CPU_SYSENTER, CPU_P6_CX_AT_XE }, 116 { 0x00000200, 0x0000020F, CPU_MTRR, },
119 { 0x00000179, 0x0000017A, CPU_MC, CPU_PX_CX_AT_XE }, 117 { 0x00000250, 0x00000250, CPU_MTRR, },
120 { 0x0000017B, 0x0000017B, CPU_MC, CPU_P6_XE }, 118 { 0x00000258, 0x00000259, CPU_MTRR, },
121 { 0x00000186, 0x00000187, CPU_PMC, CPU_P6_CX_AT }, 119 { 0x00000268, 0x0000026F, CPU_MTRR, },
122 { 0x00000198, 0x00000199, CPU_PERF, CPU_PM_CX_AT_XE }, 120 { 0x00000277, 0x00000277, CPU_PAT, },
123 { 0x0000019A, 0x0000019A, CPU_TIME, CPU_PM_CX_AT_XE }, 121 { 0x000002FF, 0x000002FF, CPU_MTRR, },
124 { 0x0000019B, 0x0000019D, CPU_THERM, CPU_PM_CX_AT_XE }, 122
125 { 0x000001A0, 0x000001A0, CPU_MISC, CPU_PM_CX_AT_XE }, 123 { 0x00000300, 0x00000311, CPU_PMC, },
126 124 { 0x00000345, 0x00000345, CPU_PMC, },
127 { 0x000001C9, 0x000001C9, CPU_LBRANCH, CPU_PM_CX_AT }, 125 { 0x00000360, 0x00000371, CPU_PMC, },
128 { 0x000001D7, 0x000001D8, CPU_LBRANCH, CPU_INTEL_XEON }, 126 { 0x0000038D, 0x00000390, CPU_PMC, },
129 { 0x000001D9, 0x000001D9, CPU_DEBUG, CPU_CX_AT_XE }, 127 { 0x000003A0, 0x000003BE, CPU_PMC, },
130 { 0x000001DA, 0x000001DA, CPU_LBRANCH, CPU_INTEL_XEON }, 128 { 0x000003C0, 0x000003CD, CPU_PMC, },
131 { 0x000001DB, 0x000001DB, CPU_LBRANCH, CPU_P6_XE }, 129 { 0x000003E0, 0x000003E1, CPU_PMC, },
132 { 0x000001DC, 0x000001DC, CPU_LBRANCH, CPU_INTEL_P6 }, 130 { 0x000003F0, 0x000003F2, CPU_PMC, },
133 { 0x000001DD, 0x000001DE, CPU_LBRANCH, CPU_PX_CX_AT_XE }, 131
134 { 0x000001E0, 0x000001E0, CPU_LBRANCH, CPU_INTEL_P6 }, 132 { 0x00000400, 0x00000417, CPU_MC, },
135 133 { 0x00000480, 0x0000048B, CPU_VMX, },
136 { 0x00000200, 0x0000020F, CPU_MTRR, CPU_P6_CX_XE }, 134
137 { 0x00000250, 0x00000250, CPU_MTRR, CPU_P6_CX_XE }, 135 { 0x00000600, 0x00000600, CPU_DEBUG, },
138 { 0x00000258, 0x00000259, CPU_MTRR, CPU_P6_CX_XE }, 136 { 0x00000680, 0x0000068F, CPU_LBRANCH, },
139 { 0x00000268, 0x0000026F, CPU_MTRR, CPU_P6_CX_XE }, 137 { 0x000006C0, 0x000006CF, CPU_LBRANCH, },
140 { 0x00000277, 0x00000277, CPU_PAT, CPU_C2_AT_XE }, 138
141 { 0x000002FF, 0x000002FF, CPU_MTRR, CPU_P6_CX_XE }, 139 { 0x000107CC, 0x000107D3, CPU_PMC, },
142 140
143 { 0x00000300, 0x00000308, CPU_PMC, CPU_INTEL_XEON }, 141 { 0xC0000080, 0xC0000080, CPU_FEATURES, },
144 { 0x00000309, 0x0000030B, CPU_PMC, CPU_C2_AT_XE }, 142 { 0xC0000081, 0xC0000084, CPU_CALL, },
145 { 0x0000030C, 0x00000311, CPU_PMC, CPU_INTEL_XEON }, 143 { 0xC0000100, 0xC0000102, CPU_BASE, },
146 { 0x00000345, 0x00000345, CPU_PMC, CPU_C2_AT }, 144 { 0xC0000103, 0xC0000103, CPU_TIME, },
147 { 0x00000360, 0x00000371, CPU_PMC, CPU_INTEL_XEON }, 145
148 { 0x0000038D, 0x00000390, CPU_PMC, CPU_C2_AT }, 146 { 0xC0010000, 0xC0010007, CPU_PMC, },
149 { 0x000003A0, 0x000003BE, CPU_PMC, CPU_INTEL_XEON }, 147 { 0xC0010010, 0xC0010010, CPU_CONF, },
150 { 0x000003C0, 0x000003CD, CPU_PMC, CPU_INTEL_XEON }, 148 { 0xC0010015, 0xC0010015, CPU_CONF, },
151 { 0x000003E0, 0x000003E1, CPU_PMC, CPU_INTEL_XEON }, 149 { 0xC0010016, 0xC001001A, CPU_MTRR, },
152 { 0x000003F0, 0x000003F0, CPU_PMC, CPU_INTEL_XEON }, 150 { 0xC001001D, 0xC001001D, CPU_MTRR, },
153 { 0x000003F1, 0x000003F1, CPU_PMC, CPU_C2_AT_XE }, 151 { 0xC001001F, 0xC001001F, CPU_CONF, },
154 { 0x000003F2, 0x000003F2, CPU_PMC, CPU_INTEL_XEON }, 152 { 0xC0010030, 0xC0010035, CPU_BIOS, },
155 153 { 0xC0010044, 0xC0010048, CPU_MC, },
156 { 0x00000400, 0x00000402, CPU_MC, CPU_PM_CX_AT_XE }, 154 { 0xC0010050, 0xC0010056, CPU_SMM, },
157 { 0x00000403, 0x00000403, CPU_MC, CPU_INTEL_XEON }, 155 { 0xC0010058, 0xC0010058, CPU_CONF, },
158 { 0x00000404, 0x00000406, CPU_MC, CPU_PM_CX_AT_XE }, 156 { 0xC0010060, 0xC0010060, CPU_CACHE, },
159 { 0x00000407, 0x00000407, CPU_MC, CPU_INTEL_XEON }, 157 { 0xC0010061, 0xC0010068, CPU_SMM, },
160 { 0x00000408, 0x0000040A, CPU_MC, CPU_PM_CX_AT_XE }, 158 { 0xC0010069, 0xC001006B, CPU_SMM, },
161 { 0x0000040B, 0x0000040B, CPU_MC, CPU_INTEL_XEON }, 159 { 0xC0010070, 0xC0010071, CPU_SMM, },
162 { 0x0000040C, 0x0000040E, CPU_MC, CPU_PM_CX_XE }, 160 { 0xC0010111, 0xC0010113, CPU_SMM, },
163 { 0x0000040F, 0x0000040F, CPU_MC, CPU_INTEL_XEON }, 161 { 0xC0010114, 0xC0010118, CPU_SVM, },
164 { 0x00000410, 0x00000412, CPU_MC, CPU_PM_CX_AT_XE }, 162 { 0xC0010140, 0xC0010141, CPU_OSVM, },
165 { 0x00000413, 0x00000417, CPU_MC, CPU_CX_AT_XE }, 163 { 0xC0011022, 0xC0011023, CPU_CONF, },
166 { 0x00000480, 0x0000048B, CPU_VMX, CPU_CX_AT_XE },
167
168 { 0x00000600, 0x00000600, CPU_DEBUG, CPU_PM_CX_AT_XE },
169 { 0x00000680, 0x0000068F, CPU_LBRANCH, CPU_INTEL_XEON },
170 { 0x000006C0, 0x000006CF, CPU_LBRANCH, CPU_INTEL_XEON },
171
172 { 0x000107CC, 0x000107D3, CPU_PMC, CPU_INTEL_XEON_MP },
173
174 { 0xC0000080, 0xC0000080, CPU_FEATURES, CPU_INTEL_XEON },
175 { 0xC0000081, 0xC0000082, CPU_CALL, CPU_INTEL_XEON },
176 { 0xC0000084, 0xC0000084, CPU_CALL, CPU_INTEL_XEON },
177 { 0xC0000100, 0xC0000102, CPU_BASE, CPU_INTEL_XEON },
178}; 164};
179 165
180/* AMD Registers Range */
181static struct cpu_debug_range cpu_amd_range[] = {
182 { 0x00000000, 0x00000001, CPU_MC, CPU_K10_PLUS, },
183 { 0x00000010, 0x00000010, CPU_TIME, CPU_K8_PLUS, },
184 { 0x0000001B, 0x0000001B, CPU_APIC, CPU_K8_PLUS, },
185 { 0x0000002A, 0x0000002A, CPU_POWERON, CPU_K7_PLUS },
186 { 0x0000008B, 0x0000008B, CPU_VER, CPU_K8_PLUS },
187 { 0x000000FE, 0x000000FE, CPU_MTRR, CPU_K8_PLUS, },
188
189 { 0x00000174, 0x00000176, CPU_SYSENTER, CPU_K8_PLUS, },
190 { 0x00000179, 0x0000017B, CPU_MC, CPU_K8_PLUS, },
191 { 0x000001D9, 0x000001D9, CPU_DEBUG, CPU_K8_PLUS, },
192 { 0x000001DB, 0x000001DE, CPU_LBRANCH, CPU_K8_PLUS, },
193
194 { 0x00000200, 0x0000020F, CPU_MTRR, CPU_K8_PLUS, },
195 { 0x00000250, 0x00000250, CPU_MTRR, CPU_K8_PLUS, },
196 { 0x00000258, 0x00000259, CPU_MTRR, CPU_K8_PLUS, },
197 { 0x00000268, 0x0000026F, CPU_MTRR, CPU_K8_PLUS, },
198 { 0x00000277, 0x00000277, CPU_PAT, CPU_K8_PLUS, },
199 { 0x000002FF, 0x000002FF, CPU_MTRR, CPU_K8_PLUS, },
200
201 { 0x00000400, 0x00000413, CPU_MC, CPU_K8_PLUS, },
202
203 { 0xC0000080, 0xC0000080, CPU_FEATURES, CPU_AMD_ALL, },
204 { 0xC0000081, 0xC0000084, CPU_CALL, CPU_K8_PLUS, },
205 { 0xC0000100, 0xC0000102, CPU_BASE, CPU_K8_PLUS, },
206 { 0xC0000103, 0xC0000103, CPU_TIME, CPU_K10_PLUS, },
207
208 { 0xC0010000, 0xC0010007, CPU_PMC, CPU_K8_PLUS, },
209 { 0xC0010010, 0xC0010010, CPU_CONF, CPU_K7_PLUS, },
210 { 0xC0010015, 0xC0010015, CPU_CONF, CPU_K7_PLUS, },
211 { 0xC0010016, 0xC001001A, CPU_MTRR, CPU_K8_PLUS, },
212 { 0xC001001D, 0xC001001D, CPU_MTRR, CPU_K8_PLUS, },
213 { 0xC001001F, 0xC001001F, CPU_CONF, CPU_K8_PLUS, },
214 { 0xC0010030, 0xC0010035, CPU_BIOS, CPU_K8_PLUS, },
215 { 0xC0010044, 0xC0010048, CPU_MC, CPU_K8_PLUS, },
216 { 0xC0010050, 0xC0010056, CPU_SMM, CPU_K0F_PLUS, },
217 { 0xC0010058, 0xC0010058, CPU_CONF, CPU_K10_PLUS, },
218 { 0xC0010060, 0xC0010060, CPU_CACHE, CPU_AMD_11, },
219 { 0xC0010061, 0xC0010068, CPU_SMM, CPU_K10_PLUS, },
220 { 0xC0010069, 0xC001006B, CPU_SMM, CPU_AMD_11, },
221 { 0xC0010070, 0xC0010071, CPU_SMM, CPU_K10_PLUS, },
222 { 0xC0010111, 0xC0010113, CPU_SMM, CPU_K8_PLUS, },
223 { 0xC0010114, 0xC0010118, CPU_SVM, CPU_K10_PLUS, },
224 { 0xC0010140, 0xC0010141, CPU_OSVM, CPU_K10_PLUS, },
225 { 0xC0011022, 0xC0011023, CPU_CONF, CPU_K10_PLUS, },
226};
227
228
229/* Intel */
230static int get_intel_modelflag(unsigned model)
231{
232 int flag;
233
234 switch (model) {
235 case 0x0501:
236 case 0x0502:
237 case 0x0504:
238 flag = CPU_INTEL_PENTIUM;
239 break;
240 case 0x0601:
241 case 0x0603:
242 case 0x0605:
243 case 0x0607:
244 case 0x0608:
245 case 0x060A:
246 case 0x060B:
247 flag = CPU_INTEL_P6;
248 break;
249 case 0x0609:
250 case 0x060D:
251 flag = CPU_INTEL_PENTIUM_M;
252 break;
253 case 0x060E:
254 flag = CPU_INTEL_CORE;
255 break;
256 case 0x060F:
257 case 0x0617:
258 flag = CPU_INTEL_CORE2;
259 break;
260 case 0x061C:
261 flag = CPU_INTEL_ATOM;
262 break;
263 case 0x0F00:
264 case 0x0F01:
265 case 0x0F02:
266 case 0x0F03:
267 case 0x0F04:
268 flag = CPU_INTEL_XEON_P4;
269 break;
270 case 0x0F06:
271 flag = CPU_INTEL_XEON_MP;
272 break;
273 default:
274 flag = CPU_NONE;
275 break;
276 }
277
278 return flag;
279}
280
281/* AMD */
282static int get_amd_modelflag(unsigned model)
283{
284 int flag;
285
286 switch (model >> 8) {
287 case 0x6:
288 flag = CPU_AMD_K6;
289 break;
290 case 0x7:
291 flag = CPU_AMD_K7;
292 break;
293 case 0x8:
294 flag = CPU_AMD_K8;
295 break;
296 case 0xf:
297 flag = CPU_AMD_0F;
298 break;
299 case 0x10:
300 flag = CPU_AMD_10;
301 break;
302 case 0x11:
303 flag = CPU_AMD_11;
304 break;
305 default:
306 flag = CPU_NONE;
307 break;
308 }
309
310 return flag;
311}
312
313static int get_cpu_modelflag(unsigned cpu)
314{
315 int flag;
316
317 flag = per_cpu(cpu_model, cpu);
318
319 switch (flag >> 16) {
320 case X86_VENDOR_INTEL:
321 flag = get_intel_modelflag(flag);
322 break;
323 case X86_VENDOR_AMD:
324 flag = get_amd_modelflag(flag & 0xffff);
325 break;
326 default:
327 flag = CPU_NONE;
328 break;
329 }
330
331 return flag;
332}
333
334static int get_cpu_range_count(unsigned cpu)
335{
336 int index;
337
338 switch (per_cpu(cpu_model, cpu) >> 16) {
339 case X86_VENDOR_INTEL:
340 index = ARRAY_SIZE(cpu_intel_range);
341 break;
342 case X86_VENDOR_AMD:
343 index = ARRAY_SIZE(cpu_amd_range);
344 break;
345 default:
346 index = 0;
347 break;
348 }
349
350 return index;
351}
352
353static int is_typeflag_valid(unsigned cpu, unsigned flag) 166static int is_typeflag_valid(unsigned cpu, unsigned flag)
354{ 167{
355 unsigned vendor, modelflag; 168 int i;
356 int i, index;
357 169
358 /* Standard Registers should be always valid */ 170 /* Standard Registers should be always valid */
359 if (flag >= CPU_TSS) 171 if (flag >= CPU_TSS)
360 return 1; 172 return 1;
361 173
362 modelflag = per_cpu(cpu_modelflag, cpu); 174 for (i = 0; i < ARRAY_SIZE(cpu_reg_range); i++) {
363 vendor = per_cpu(cpu_model, cpu) >> 16; 175 if (cpu_reg_range[i].flag == flag)
364 index = get_cpu_range_count(cpu); 176 return 1;
365
366 for (i = 0; i < index; i++) {
367 switch (vendor) {
368 case X86_VENDOR_INTEL:
369 if ((cpu_intel_range[i].model & modelflag) &&
370 (cpu_intel_range[i].flag & flag))
371 return 1;
372 break;
373 case X86_VENDOR_AMD:
374 if ((cpu_amd_range[i].model & modelflag) &&
375 (cpu_amd_range[i].flag & flag))
376 return 1;
377 break;
378 }
379 } 177 }
380 178
381 /* Invalid */ 179 /* Invalid */
@@ -385,26 +183,11 @@ static int is_typeflag_valid(unsigned cpu, unsigned flag)
385static unsigned get_cpu_range(unsigned cpu, unsigned *min, unsigned *max, 183static unsigned get_cpu_range(unsigned cpu, unsigned *min, unsigned *max,
386 int index, unsigned flag) 184 int index, unsigned flag)
387{ 185{
388 unsigned modelflag; 186 if (cpu_reg_range[index].flag == flag) {
389 187 *min = cpu_reg_range[index].min;
390 modelflag = per_cpu(cpu_modelflag, cpu); 188 *max = cpu_reg_range[index].max;
391 *max = 0; 189 } else
392 switch (per_cpu(cpu_model, cpu) >> 16) { 190 *max = 0;
393 case X86_VENDOR_INTEL:
394 if ((cpu_intel_range[index].model & modelflag) &&
395 (cpu_intel_range[index].flag & flag)) {
396 *min = cpu_intel_range[index].min;
397 *max = cpu_intel_range[index].max;
398 }
399 break;
400 case X86_VENDOR_AMD:
401 if ((cpu_amd_range[index].model & modelflag) &&
402 (cpu_amd_range[index].flag & flag)) {
403 *min = cpu_amd_range[index].min;
404 *max = cpu_amd_range[index].max;
405 }
406 break;
407 }
408 191
409 return *max; 192 return *max;
410} 193}
@@ -434,7 +217,7 @@ static void print_msr(struct seq_file *seq, unsigned cpu, unsigned flag)
434 unsigned msr, msr_min, msr_max; 217 unsigned msr, msr_min, msr_max;
435 struct cpu_private *priv; 218 struct cpu_private *priv;
436 u32 low, high; 219 u32 low, high;
437 int i, range; 220 int i;
438 221
439 if (seq) { 222 if (seq) {
440 priv = seq->private; 223 priv = seq->private;
@@ -446,9 +229,7 @@ static void print_msr(struct seq_file *seq, unsigned cpu, unsigned flag)
446 } 229 }
447 } 230 }
448 231
449 range = get_cpu_range_count(cpu); 232 for (i = 0; i < ARRAY_SIZE(cpu_reg_range); i++) {
450
451 for (i = 0; i < range; i++) {
452 if (!get_cpu_range(cpu, &msr_min, &msr_max, i, flag)) 233 if (!get_cpu_range(cpu, &msr_min, &msr_max, i, flag))
453 continue; 234 continue;
454 235
@@ -788,13 +569,11 @@ static int cpu_init_msr(unsigned cpu, unsigned type, struct dentry *dentry)
788{ 569{
789 struct dentry *cpu_dentry = NULL; 570 struct dentry *cpu_dentry = NULL;
790 unsigned reg, reg_min, reg_max; 571 unsigned reg, reg_min, reg_max;
791 int i, range, err = 0; 572 int i, err = 0;
792 char reg_dir[12]; 573 char reg_dir[12];
793 u32 low, high; 574 u32 low, high;
794 575
795 range = get_cpu_range_count(cpu); 576 for (i = 0; i < ARRAY_SIZE(cpu_reg_range); i++) {
796
797 for (i = 0; i < range; i++) {
798 if (!get_cpu_range(cpu, &reg_min, &reg_max, i, 577 if (!get_cpu_range(cpu, &reg_min, &reg_max, i,
799 cpu_base[type].flag)) 578 cpu_base[type].flag))
800 continue; 579 continue;
@@ -850,10 +629,6 @@ static int cpu_init_cpu(void)
850 cpui = &cpu_data(cpu); 629 cpui = &cpu_data(cpu);
851 if (!cpu_has(cpui, X86_FEATURE_MSR)) 630 if (!cpu_has(cpui, X86_FEATURE_MSR))
852 continue; 631 continue;
853 per_cpu(cpu_model, cpu) = ((cpui->x86_vendor << 16) |
854 (cpui->x86 << 8) |
855 (cpui->x86_model));
856 per_cpu(cpu_modelflag, cpu) = get_cpu_modelflag(cpu);
857 632
858 sprintf(cpu_dir, "cpu%d", cpu); 633 sprintf(cpu_dir, "cpu%d", cpu);
859 cpu_dentry = debugfs_create_dir(cpu_dir, cpu_debugfs_dir); 634 cpu_dentry = debugfs_create_dir(cpu_dir, cpu_debugfs_dir);
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-08 14:25:22 -0500