Chameleon

Chameleon Commit Details

Date:2010-05-10 01:47:10 (13 years 11 months ago)
Author:Evan Lojewski
Commit:149
Parents: 148
Message:DSDT patcher backs up old dsdt to the IORegistery
Changes:
M/branches/meklort/i386/libsaio/dsdt_patcher.c
M/branches/meklort/CHANGES
M/branches/meklort/i386/libsaio/acpi.h

File differences

branches/meklort/CHANGES
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- Backup original dsdt to /dsdt/originaldsdt in the IORegistery␊
- Added kernel patcher, removes the CPUID check panic in the kernel. Forces _cpuid_set_info to␊
return Penryn / cpuid model 23␊
␊
- Implemented SPD memory automatic detection and injection,seems to work really great ...␊
- Factorized code to prepare a dynamic memory detection algorithm ...␊
- Optimized smbios table address search␊
branches/meklort/i386/libsaio/dsdt_patcher.c
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␉␉verbose("FADT: Restart Fix applied !\n");␊
␉}␊
␊
␉// Save old DSDT to the IORegistery␊
␉Node* node = DT__FindNode("/", false);␊
␉if(node != NULL)␊
␉{␊
␉␉node = DT__AddChild(node, "dsdt");␊
␉␉␉␉␊
␉␉struct acpi_2_dsdt *dsdt;␊
␉␉dsdt = (struct acpi_2_dsdt*) (fadt_mod->DSDT);␊
␉␉DT__AddProperty(node, "originaldsdt", (dsdt->Length + sizeof(struct acpi_2_dsdt) - 1), (void*)dsdt);␉/// Inset old dsdt. Length is header length (36) + dsdt length␊
␉␉␊
␉}␊
␉␊
␉␊
␉// Patch DSDT Address␊
␉DBG("DSDT: Old @%x,%x, ",fadt_mod->DSDT,fadt_mod->X_DSDT);␊
␊
␉␊
␉fadt_mod->DSDT=(uint32_t)new_dsdt;␊
␉if ((uint32_t)(&(fadt_mod->X_DSDT))-(uint32_t)fadt_mod+8<=fadt_mod->Length)␊
␉␉fadt_mod->X_DSDT=(uint32_t)new_dsdt;␊
branches/meklort/i386/libsaio/acpi.h
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␉uint8_t␉␉notimp2[96];␊
} __attribute__((packed));␊
␊
struct acpi_2_dsdt {␊
␉char Signature[4];␊
␉uint32_t Length;␊
␉uint8_t Revision;␊
␉uint8_t Checksum;␊
␉char OEMID[6];␊
␉char OEMTableId[8];␊
␉char ␉OEMRevision[4];␊
␉char␉ CreatorId[4];␊
␉char␉ CreatorRevision[4];␊
␉char␉␉␉dsdtStart;␉␉// actual length is .Length␊
} __attribute__((packed));␊
␊
␊
#endif /* !__LIBSAIO_ACPI_H */␊

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Revision: 149