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fix a bug with Fix DSDT occured with scope devices

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Signed-off-by: SergeySlice <sergey.slice@gmail.com>
This commit is contained in:
SergeySlice 2019-12-04 20:23:10 +03:00
parent 759339ffd7
commit 1f01128be7
2 changed files with 9 additions and 4 deletions
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2
hebuild.sh
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@ -40,7 +40,7 @@ M_NOGRUB=0
M_APPLEHFS=0 M_APPLEHFS=0
# Default values # Default values
export TOOLCHAIN=XCODE8 export TOOLCHAIN=GCC53
export TARGETARCH=X64 export TARGETARCH=X64
export BUILDTARGET=RELEASE export BUILDTARGET=RELEASE
export BUILDTHREADS=$(( NUMBER_OF_CPUS + 1 )) export BUILDTHREADS=$(( NUMBER_OF_CPUS + 1 ))

11
rEFIt_UEFI/Platform/FixBiosDsdt.c
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@ -1387,11 +1387,16 @@ UINT32 CorrectOuters (UINT8 *dsdt, UINT32 len, UINT32 adr, INT32 shift)
i = adr; //usually adr = @5B - 1 = sizefield - 3 i = adr; //usually adr = @5B - 1 = sizefield - 3
while (i > 0x20) { //find devices that previous to adr while (i > 0x20) { //find devices that previous to adr
//check device //check device
k = i + 2; k = 0;
if ((dsdt[i] == 0x5B) && (dsdt[i+1] == 0x82) && !CmpNum(dsdt, i, TRUE)) { //device candidate if ((dsdt[i] == 0x5B) && (dsdt[i+1] == 0x82) && !CmpNum(dsdt, i, TRUE)) { //device candidate
k = i + 2;
} else if ((dsdt[i] == 0x10) && !CmpNum(dsdt, i, TRUE)) { //device scope like Scope (_PCI)
k = i + 1;
}
if ( k != 0) {
size = get_size(dsdt, k); size = get_size(dsdt, k);
if (size) { if (size) {
if ((k+size) > adr+4) { //Yes - it is outer if ((k + size) > adr+4) { //Yes - it is outer
// DBG("found outer device begin=%x end=%x\n", k, k+size); // DBG("found outer device begin=%x end=%x\n", k, k+size);
offset = write_size(k, dsdt, len, shift); //size corrected to sizeoffset at address j offset = write_size(k, dsdt, len, shift); //size corrected to sizeoffset at address j
shift += offset; shift += offset;
@ -1399,7 +1404,7 @@ UINT32 CorrectOuters (UINT8 *dsdt, UINT32 len, UINT32 adr, INT32 shift)
} //else not an outer device } //else not an outer device
} //else wrong size field - not a device } //else wrong size field - not a device
} //else not a device } //else not a device
// check scope // check scope _SB_
// a problem 45 43 4F 4E 08 10 84 10 05 5F 53 42 5F // a problem 45 43 4F 4E 08 10 84 10 05 5F 53 42 5F
SBSIZE = 0; SBSIZE = 0;
if (dsdt[i] == '_' && dsdt[i+1] == 'S' && dsdt[i+2] == 'B' && dsdt[i+3] == '_') { if (dsdt[i] == '_' && dsdt[i+1] == 'S' && dsdt[i+2] == 'B' && dsdt[i+3] == '_') {