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Source at commit 214 created 13 years 5 months ago. By ifabio, update to chameleon trunk 630, and now the pakage folder is the same as blackosx branch, also add Icon "building" into buildpkg script, and add mint theme info into the English localizable.strings. | |
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1 | /*␊ |
2 | * Copyright 2008 Islam Ahmed Zaid. All rights reserved. <azismed@gmail.com>␊ |
3 | * AsereBLN: 2009: cleanup and bugfix␊ |
4 | */␊ |
5 | ␊ |
6 | #ifndef __LIBSAIO_CPU_H␊ |
7 | #define __LIBSAIO_CPU_H␊ |
8 | ␊ |
9 | #include "libsaio.h"␊ |
10 | ␊ |
11 | extern void scan_cpu(PlatformInfo_t *);␊ |
12 | ␊ |
13 | #define bit(n)␉␉␉(1UL << (n))␊ |
14 | #define bitmask(h,l)␉␉((bit(h)|(bit(h)-1)) & ~(bit(l)-1))␊ |
15 | #define bitfield(x,h,l)␉␉(((x) & bitmask(h,l)) >> l)␊ |
16 | ␊ |
17 | #define CPU_STRING_UNKNOWN␉␉"Unknown CPU Typ"␊ |
18 | ␊ |
19 | #define␉MSR_IA32_PERF_STATUS␉0x198␊ |
20 | #define MSR_IA32_PERF_CONTROL␉0x199␊ |
21 | #define MSR_IA32_EXT_CONFIG␉␉0x00EE␊ |
22 | #define MSR_FLEX_RATIO␉␉␉0x194␊ |
23 | #define␉MSR_PLATFORM_INFO␉␉0xCE␊ |
24 | #define K8_FIDVID_STATUS␉␉0xC0010042␊ |
25 | #define K10_COFVID_STATUS␉␉0xC0010071␊ |
26 | ␊ |
27 | #define DEFAULT_FSB␉␉100000 /* for now, hardcoding 100MHz for old CPUs */␊ |
28 | ␊ |
29 | // DFE: This constant comes from older xnu:␊ |
30 | #define CLKNUM␉␉␉1193182␉␉/* formerly 1193167 */␊ |
31 | ␊ |
32 | // DFE: These two constants come from Linux except CLOCK_TICK_RATE replaced with CLKNUM␊ |
33 | #define CALIBRATE_TIME_MSEC␉30␉␉/* 30 msecs */␊ |
34 | #define CALIBRATE_LATCH␉␉((CLKNUM * CALIBRATE_TIME_MSEC + 1000/2)/1000)␊ |
35 | ␊ |
36 | static inline uint64_t rdtsc64(void)␊ |
37 | {␊ |
38 | ␉uint64_t ret;␊ |
39 | ␉__asm__ volatile("rdtsc" : "=A" (ret));␊ |
40 | ␉return ret;␊ |
41 | }␊ |
42 | ␊ |
43 | static inline uint64_t rdmsr64(uint32_t msr)␊ |
44 | {␊ |
45 | uint64_t ret;␊ |
46 | __asm__ volatile("rdmsr" : "=A" (ret) : "c" (msr));␊ |
47 | return ret;␊ |
48 | }␊ |
49 | ␊ |
50 | static inline void wrmsr64(uint32_t msr, uint64_t val)␊ |
51 | {␊ |
52 | ␉__asm__ volatile("wrmsr" : : "c" (msr), "A" (val));␊ |
53 | }␊ |
54 | ␊ |
55 | static inline void intel_waitforsts(void) {␊ |
56 | ␉uint32_t inline_timeout = 100000;␊ |
57 | ␉while (rdmsr64(MSR_IA32_PERF_STATUS) & (1 << 21)) { if (!inline_timeout--) break; }␊ |
58 | }␊ |
59 | ␊ |
60 | static inline void do_cpuid(uint32_t selector, uint32_t *data)␊ |
61 | {␊ |
62 | ␉asm volatile ("cpuid"␊ |
63 | ␉␉␉␉ : "=a" (data[0]),␊ |
64 | ␉␉␉␉ "=b" (data[1]),␊ |
65 | ␉␉␉␉ "=c" (data[2]),␊ |
66 | ␉␉␉␉ "=d" (data[3])␊ |
67 | ␉␉␉␉ : "a" (selector));␊ |
68 | }␊ |
69 | ␊ |
70 | static inline void do_cpuid2(uint32_t selector, uint32_t selector2, uint32_t *data)␊ |
71 | {␊ |
72 | ␉asm volatile ("cpuid"␊ |
73 | ␉␉␉␉ : "=a" (data[0]),␊ |
74 | ␉␉␉␉ "=b" (data[1]),␊ |
75 | ␉␉␉␉ "=c" (data[2]),␊ |
76 | ␉␉␉␉ "=d" (data[3])␊ |
77 | ␉␉␉␉ : "a" (selector), "c" (selector2));␊ |
78 | }␊ |
79 | ␊ |
80 | // DFE: enable_PIT2 and disable_PIT2 come from older xnu␊ |
81 | ␊ |
82 | /*␊ |
83 | * Enable or disable timer 2.␊ |
84 | * Port 0x61 controls timer 2:␊ |
85 | * bit 0 gates the clock,␊ |
86 | * bit 1 gates output to speaker.␊ |
87 | */␊ |
88 | static inline void enable_PIT2(void)␊ |
89 | {␊ |
90 | /* Enable gate, disable speaker */␊ |
91 | __asm__ volatile(␊ |
92 | ␉␉␉␉␉ " inb $0x61,%%al \n\t"␊ |
93 | ␉␉␉␉␉ " and $0xFC,%%al \n\t" /* & ~0x03 */␊ |
94 | ␉␉␉␉␉ " or $1,%%al \n\t"␊ |
95 | ␉␉␉␉␉ " outb %%al,$0x61 \n\t"␊ |
96 | ␉␉␉␉␉ : : : "%al" );␊ |
97 | }␊ |
98 | ␊ |
99 | static inline void disable_PIT2(void)␊ |
100 | {␊ |
101 | /* Disable gate and output to speaker */␊ |
102 | __asm__ volatile(␊ |
103 | ␉␉␉␉␉ " inb $0x61,%%al \n\t"␊ |
104 | ␉␉␉␉␉ " and $0xFC,%%al \n\t"␉/* & ~0x03 */␊ |
105 | ␉␉␉␉␉ " outb %%al,$0x61 \n\t"␊ |
106 | ␉␉␉␉␉ : : : "%al" );␊ |
107 | }␊ |
108 | ␊ |
109 | // DFE: set_PIT2_mode0, poll_PIT2_gate, and measure_tsc_frequency are␊ |
110 | // roughly based on Linux code␊ |
111 | ␊ |
112 | /* Set the 8254 channel 2 to mode 0 with the specified value.␊ |
113 | In mode 0, the counter will initially set its gate low when the␊ |
114 | timer expires. For this to be useful, you ought to set it high␊ |
115 | before calling this function. The enable_PIT2 function does this.␊ |
116 | */␊ |
117 | static inline void set_PIT2_mode0(uint16_t value)␊ |
118 | {␊ |
119 | __asm__ volatile(␊ |
120 | ␉␉␉␉␉ " movb $0xB0,%%al \n\t"␊ |
121 | ␉␉␉␉␉ " outb␉%%al,$0x43␉\n\t"␊ |
122 | ␉␉␉␉␉ " movb␉%%dl,%%al␉\n\t"␊ |
123 | ␉␉␉␉␉ " outb␉%%al,$0x42␉\n\t"␊ |
124 | ␉␉␉␉␉ " movb␉%%dh,%%al␉\n\t"␊ |
125 | ␉␉␉␉␉ " outb␉%%al,$0x42"␊ |
126 | ␉␉␉␉␉ : : "d"(value) /*: no clobber */ );␊ |
127 | }␊ |
128 | ␊ |
129 | /* Returns the number of times the loop ran before the PIT2 signaled */␊ |
130 | static inline unsigned long poll_PIT2_gate(void)␊ |
131 | {␊ |
132 | unsigned long count = 0;␊ |
133 | unsigned char nmi_sc_val;␊ |
134 | do {␊ |
135 | ++count;␊ |
136 | __asm__ volatile(␊ |
137 | ␉␉␉␉␉␉ "inb␉$0x61,%0"␊ |
138 | ␉␉␉␉␉␉ : "=q"(nmi_sc_val) /*:*/ /* no input */ /*:*/ /* no clobber */);␊ |
139 | } while( (nmi_sc_val & 0x20) == 0);␊ |
140 | return count;␊ |
141 | }␊ |
142 | ␊ |
143 | #endif /* !__LIBSAIO_CPU_H */␊ |
144 |