Chameleon

Chameleon Commit Details

Date:2010-02-24 22:31:47 (4 years 6 months ago)
Author:Rekursor
Commit:115
Parents: 114
Message:Fixed getSmbios() would be lately called if user forced a systemid value, fFixed potential problem with smbios address search, added a new pause() function that print a pause message and wait for a key. Avoided smbios read retries if it does not work the first time.
Changes:
M/trunk/i386/libsaio/console.c
M/trunk/i386/libsaio/smbios_patcher.c
M/trunk/i386/boot2/graphics.c
M/trunk/i386/libsaio/platform.c
M/trunk/i386/libsaio/cpu.c
M/trunk/i386/libsaio/fake_efi.c
M/trunk/i386/libsaio/pci.c
M/trunk/i386/libsaio/saio_internal.h
M/trunk/i386/boot2/options.c

File differences

trunk/i386/libsaio/console.c
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halt();
while (1);
}
/** Print a "Press a key to continue..." message and wait for a key press. */
void pause()
{
printf("Press a key to continue...");
getc();
}
trunk/i386/libsaio/smbios_patcher.c
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static struct SMBEntryPoint *getAddressOfSmbiosTable(void)
{
struct SMBEntryPoint*smbios;
/*
* The logic is to start at 0xf0000 and end at 0xfffff iterating 16 bytes at a time looking
* for the SMBIOS entry-point structure anchor (literal ASCII "_SM_").
*/
smbios = (struct SMBEntryPoint*) SMBIOS_RANGE_START;
while (smbios <= (struct SMBEntryPoint *)SMBIOS_RANGE_END) {
if (COMPARE_DWORD(smbios->anchor, SMTAG) && COMPARE_DWORD(smbios->dmi.anchor, DMITAG) &&
checksum8(smbios, sizeof(struct SMBEntryPoint)) == 0)
if (COMPARE_DWORD(smbios->anchor, SMTAG) &&
COMPARE_DWORD(smbios->dmi.anchor, DMITAG) &&
smbios->dmi.anchor[4]==DMITAG[4] &&
checksum8(smbios, sizeof(struct SMBEntryPoint)) == 0)
{
return smbios;
}
smbios = (((void*) smbios) + 16);
smbios = (struct SMBEntryPoint*) ( ((char*) smbios) + 16 );
}
printf("ERROR: Unable to find SMBIOS!\n");
sleep(5);
pause();
return NULL;
}
// verbose(">>>>>> DMI(%d): type=0x%02x, len=0x%d\n",i,dmihdr->type,dmihdr->length);
#endif
if (dmihdr->length < 4 || dmihdr->type == 127 /* EOT */) break;
DmiTablePair[DmiTablePairCount].dmi = dmihdr;
DmiTablePair[DmiTablePairCount].type = dmihdr->type;
DmiTablePairCount++;
if (DmiTablePairCount < MAX_DMI_TABLES) {
DmiTablePair[DmiTablePairCount].dmi = dmihdr;
DmiTablePair[DmiTablePairCount].type = dmihdr->type;
DmiTablePairCount++;
}
else {
printf("DMI table entries list is full! next entries won't be stored\n");
}
#if DEBUG_SMBIOS
printf("DMI header found for table type %d, length = %d\n", dmihdr->type, dmihdr->length);
#endif
}
}
/** Get soriginal or new smbios entry point, if sucessfull, the adresses are cached for next time */
/** Get original or new smbios entry point, if sucessful, the adresses are cached for next time */
struct SMBEntryPoint *getSmbios(int which)
{
static struct SMBEntryPoint *orig = NULL; // cached
static struct SMBEntryPoint *patched = NULL; // cached
static bool first_time = true;
// whatever we are called with orig or new flag, initialize asap both structures
if (orig == NULL) orig = getAddressOfSmbiosTable();
if (patched == NULL) {
if (first_time) {
orig = getAddressOfSmbiosTable();
if (orig==NULL) {
printf("Could not find original SMBIOS !!\n");
getc();
return NULL;
pause();
} else {
patched = smbios_dry_run(orig);
if(patched==NULL) {
printf("Could not create new SMBIOS !!\n");
pause();
}
else {
smbios_real_run(orig, patched);
getSmbiosTableStructure(patched); // generate tables entry list for fast table finding
}
}
patched = smbios_dry_run(orig);
if(patched==NULL) {
printf("Could not create new SMBIOS !!\n");
getc();
}
else {
smbios_real_run(orig, patched);
getSmbiosTableStructure(patched); // generate tables entry list for fast table finding
}
first_time = false;
}
switch (which) {
case SMBIOS_ORIGINAL:
return orig;
return patched;
default:
printf("ERROR: invalid option for getSmbios() !!\n");
return NULL;
break;
}
return NULL;
}
/** Find first new dmi Table with a particular type */
struct DMIHeader* FindFirstDmiTableOfType(int type, int minlength)
{
current_pos = 0;
return FindNextDmiTableOfType(type, minlength);
};
{
int i;
if (ftTablePairInit) getSmbios(SMBIOS_PATCHED);
for (i=current_pos; i < DmiTablePairCount; i++) {
if (type == DmiTablePair[i].type &&
DmiTablePair[i].dmi &&
trunk/i386/libsaio/platform.c
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PlatformInfo_t Platform;
/** Return if a CPU feature specified by feature is activated (true) or not (false) */
bool platformCPUFeature(uint32_t feature)
{
if (Platform.CPU.Features & feature) {
}
}
void scan_platform(void)
{
/** scan mem for memory autodection purpose */
void scan_mem() {
bool useAutodetection = false;
getBoolForKey(kUseMemDetect, &useAutodetection, &bootInfo->bootConfig);
if (useAutodetection) {
scan_memory(&Platform);
scan_spd(&Platform);
}
}
/**
Scan platform hardware information, called by the main entry point (common_boot() )
_before_ bootConfig xml parsing settings are loaded
*/
void scan_platform(void)
{
memset(&Platform, 0, sizeof(Platform));
build_pci_dt();
scan_cpu(&Platform);
// disabled for now as options can't be read yet here:
// scan_mem();
if (useAutodetection) {
scan_memory(&Platform);
scan_spd(&Platform);
}
}
trunk/i386/libsaio/cpu.c
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DBG("CPU: CPUFreq: %dMHz\n", p->CPU.CPUFrequency / 1000000);
DBG("CPU: NoCores/NoThreads: %d/%d\n", p->CPU.NoCores, p->CPU.NoThreads);
DBG("CPU: Features: 0x%08x\n", p->CPU.Features);
printf("(Press a key to continue...)\n");
getc();
pause();
#endif
}
trunk/i386/libsaio/pci.c
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scan_pci_bus(root_pci_dev, 0);
#if DEBUG_PCI
dump_pci_dt(root_pci_dev->children);
printf("(Press a key to continue...)\n");
getc();
pause();
#endif
}
trunk/i386/libsaio/fake_efi.c
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if (loadConfigFile(value, &bootInfo->smbiosConfig) == -1) {
verbose("No SMBIOS replacement found\n");
}
smbios_p = (EFI_PTR32) getSmbios(SMBIOS_PATCHED);// process smbios asap
}
/* Installs all the needed configuration table entries */
trunk/i386/libsaio/saio_internal.h
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extern int ebiosread(int dev, unsigned long long sec, int count);
extern int ebioswrite(int dev, long sec, int count);
extern int get_drive_info(int drive, struct driveInfo *dp);
extern int ebiosEjectMedia(int biosdev);
extern int ebiosEjectMedia(int biosdev);
extern void putc(int ch);
extern void putca(int ch, int attr, int repeat);
extern int getc(void);
extern void pause();
extern int readKeyboardStatus(void);
extern int readKeyboardShiftFlags(void);
extern unsigned int time18(void);
trunk/i386/boot2/graphics.c
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modeInfo.ModeAttributes);
if (line++ >= 20) {
printf("(Press a key to continue...)");
getc();
pause();
line = 0;
clearScreenRows(0, 24);
setCursorPosition( 0, 0, 1 );
}
}
if (line != 0) {
printf("(Press a key to continue...)");
getc();
pause();
}
setActiveDisplayPage(0);
}
trunk/i386/boot2/options.c
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(unsigned long)(mp->length),
mp->type);
if (line++ > 20) {
printf("(Press a key to continue...)");
getc();
pause();
line = 0;
}
mp++;
}
if (line > 0) {
printf("(Press a key to continue...)");
getc();
pause();
}
setActiveDisplayPage(0);
dump_pci_dt(root_pci_dev->children);
printf("(Press a key to continue...)");
getc();
pause();
if (bootArgs->Video.v_display == VGA_TEXT_MODE) {
setActiveDisplayPage(0);

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Revision: 115