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Root/branches/meklort/i386/modules/Memory/Memory.c

Source at commit 564 created 9 years 6 months ago.
By meklort, Removed warnings.
1/*
2 * DRAM Controller Module
3 * Scans the dram controller and notifies OS X of the memory modules.
4 *This was converted from boot2 code to a boot2 module.
5 *
6 */
7
8#include "libsaio.h"
9#include "pci.h"
10#include "platform.h"
11#include "dram_controllers.h"
12#include "spd.h"
13#include "mem.h"
14#include "boot.h"
15#include "bootstruct.h"
16#include "modules.h"
17
18pci_dt_t * dram_controller_dev = NULL;
19pci_dt_t * smbus_controller_dev = NULL;
20
21
22void Memory_hook(void* arg1, void* arg2, void* arg3, void* arg4);
23void Memory_PCIDevice_hook(void* arg1, void* arg2, void* arg3, void* arg4);
24
25
26void Memory_start()
27{
28register_hook_callback("PCIDevice", &Memory_PCIDevice_hook);
29register_hook_callback("ScanMemory", &Memory_hook);
30
31}
32
33void Memory_PCIDevice_hook(void* arg1, void* arg2, void* arg3, void* arg4)
34{
35pci_dt_t* current = arg1;
36if(current->class_id == PCI_CLASS_BRIDGE_HOST)
37{
38dram_controller_dev = current;
39}
40else if(is_smbus_controller(current))
41{
42smbus_controller_dev = current;
43}
44
45}
46
47void Memory_hook(void* arg1, void* arg2, void* arg3, void* arg4)
48{
49bool useAutodetection = true;
50 getBoolForKey(kUseMemDetect, &useAutodetection, &bootInfo->bootConfig);
51
52
53 if (useAutodetection) {
54
55if (dram_controller_dev!=NULL) {
56scan_dram_controller(dram_controller_dev); // Rek: pci dev ram controller direct and fully informative scan ...
57}
58scan_memory(Platform); // unfortunately still necesary for some comp where spd cant read correct speed
59
60if(smbus_controller_dev)
61{
62scan_spd(Platform, smbus_controller_dev);
63}
64 }
65
66}

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Revision: 564