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Source at commit 2225 created 11 years 1 month ago. By macman, Chimera 2.0.1: iMessage login fix by Meklort from Chameleon 2.2 r2169 HD4000 support from Chimera 1.11.1 CPU bus and processor speed fix from Chimera 1.11.1 Reverted AMD and NVIDIA card reporting to Chimera 1.11.1 style | |
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1 | /*␊ |
2 | * platform.c␊ |
3 | *␊ |
4 | * AsereBLN: cleanup␊ |
5 | */␊ |
6 | ␊ |
7 | #include "libsaio.h"␊ |
8 | #include "boot.h"␊ |
9 | #include "bootstruct.h"␊ |
10 | #include "pci.h"␊ |
11 | #include "platform.h"␊ |
12 | #include "cpu.h"␊ |
13 | #include "spd.h"␊ |
14 | #include "dram_controllers.h"␊ |
15 | ␊ |
16 | #ifndef DEBUG_PLATFORM␊ |
17 | #define DEBUG_PLATFORM 0␊ |
18 | #endif␊ |
19 | ␊ |
20 | #if DEBUG_PLATFORM␊ |
21 | #define DBG(x...)␉printf(x)␊ |
22 | #else␊ |
23 | #define DBG(x...)␊ |
24 | #endif␊ |
25 | ␊ |
26 | PlatformInfo_t Platform;␊ |
27 | pci_dt_t * dram_controller_dev = NULL;␊ |
28 | ␊ |
29 | /** Return if a CPU feature specified by feature is activated (true) or not (false) */␊ |
30 | bool platformCPUFeature(uint32_t feature)␊ |
31 | {␊ |
32 | ␉if (Platform.CPU.Features & feature) {␊ |
33 | ␉␉return true;␊ |
34 | ␉} else {␊ |
35 | ␉␉return false;␊ |
36 | ␉}␊ |
37 | }␊ |
38 | ␊ |
39 | /** scan mem for memory autodection purpose */␊ |
40 | void scan_mem() {␊ |
41 | static bool done = false;␊ |
42 | if (done) return;␊ |
43 | ␊ |
44 | ␉/* our code only works on Intel chipsets so make sure here */␊ |
45 | ␉if (pci_config_read16(PCIADDR(0, 0x00, 0), 0x00) != 0x8086)␊ |
46 | ␉␉bootInfo->memDetect = false;␊ |
47 | else␊ |
48 | ␉␉bootInfo->memDetect = true;␊ |
49 | ␉/* manually */␊ |
50 | getBoolForKey(kUseMemDetect, &bootInfo->memDetect, &bootInfo->chameleonConfig);␊ |
51 | ␊ |
52 | if (bootInfo->memDetect) {␊ |
53 | ␉␉if (dram_controller_dev != NULL) {␊ |
54 | ␉␉␉scan_dram_controller(dram_controller_dev); // Rek: pci dev ram controller direct and fully informative scan ...␊ |
55 | ␉␉}␊ |
56 | scan_spd(&Platform);␊ |
57 | }␊ |
58 | done = true;␊ |
59 | }␊ |
60 | ␊ |
61 | /** ␊ |
62 | Scan platform hardware information, called by the main entry point (common_boot() ) ␊ |
63 | _before_ bootConfig xml parsing settings are loaded␊ |
64 | */␊ |
65 | void scan_platform(void)␊ |
66 | {␊ |
67 | ␉memset(&Platform, 0, sizeof(Platform));␊ |
68 | ␉build_pci_dt();␊ |
69 | ␉scan_cpu(&Platform);␊ |
70 | ␉//scan_mem(); Rek: called after pci devs init in fake_efi now ...␊ |
71 | }␊ |
72 |