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Root/tags/2.0/i386/libsaio/platform.c

Source at commit 1793 created 12 years 5 months ago.
By blackosx, Attempt to overcome issue 211 by revising the code to remove all package .svn files before function makeSubstitutions() is called. The line it replaces should work but I can't figure out why it doesn't...
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
26PlatformInfo_t Platform;
27pci_dt_t * dram_controller_dev = NULL;
28
29/** Return if a CPU feature specified by feature is activated (true) or not (false) */
30bool platformCPUFeature(uint32_t feature)
31{
32if (Platform.CPU.Features & feature) {
33return true;
34} else {
35return false;
36}
37}
38
39/** scan mem for memory autodection purpose */
40void scan_mem() {
41 static bool done = false;
42 if (done) return;
43
44/* our code only works on Intel chipsets so make sure here */
45if (pci_config_read16(PCIADDR(0, 0x00, 0), 0x00) != 0x8086)
46bootInfo->memDetect = false;
47 else
48bootInfo->memDetect = true;
49/* manually */
50 getBoolForKey(kUseMemDetect, &bootInfo->memDetect, &bootInfo->chameleonConfig);
51
52 if (bootInfo->memDetect) {
53if (dram_controller_dev != NULL) {
54scan_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*/
65void scan_platform(void)
66{
67memset(&Platform, 0, sizeof(Platform));
68build_pci_dt();
69scan_cpu(&Platform);
70//scan_mem(); Rek: called after pci devs init in fake_efi now ...
71}
72

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Revision: 1793