Hi All, Attempting to Read SPIBAR 0x10 from BUS 0 Dev 1F Func 5
>> ScSpiBar0 = MmioRead32 (SpiInstance->PchSpiBase + PCI_BASE_ADDRESSREG_OFFSET) & 0xFFFFF000; >> The above code is throwing exception PchSpiBase at 0xC00FD000 !!!! X64 Exception Type - 0E(#PF - Page-Fault) CPU Apic ID - 00000000 !!!! ExceptionData - 0000000000000000 I:0 R:0 U:0 W:0 P:0 PK:0 SS:0 SGX:0 RIP - 00000000771903D0, CS - 0000000000000038, RFLAGS - 0000000000010046 >From the shell the value at offset 0x10 is 0xFE010000 Any clues on why the processor is throwing exception while accessing the value PchSpiBase+0x10 ? Thanks Ranga -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#86158): https://edk2.groups.io/g/devel/message/86158 Mute This Topic: https://groups.io/mt/88743518/21656 Group Owner: [email protected] Unsubscribe: https://edk2.groups.io/g/devel/unsub [[email protected]] -=-=-=-=-=-=-=-=-=-=-=-
