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ShellPkg: pci -i -_e to print next capability 

According to PCI spec the next AER capability is relative to
the beginning of PCI configuration space. Hence substract the
base offset to get the next capability.

"-_e" option is changed from TypeFlag to TypeValue, so that
user can specify individual AER capability to print.
e.g. pci 00 00 01 -i -_e <capability-id>

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Abdul Lateef Attar <abdul-lateef.attar@hpe.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>
This commit is contained in:
Abdul Lateef Attar 2016-09-09 23:31:35 -07:00 committed by Jaben Carsey
parent e51a677dea
commit 1b3be4a12e
1 changed files with 2 additions and 2 deletions
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4
ShellPkg/Library/UefiShellDebug1CommandsLib/Pci.c
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@ -2370,7 +2370,7 @@ PCI_CONFIG_SPACE *mConfigSpace = NULL;
STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
{L"-s", TypeValue},
{L"-i", TypeFlag},
{L"-_e", TypeFlag},
{L"-_e", TypeValue},
{NULL, TypeMax}
};
@ -5914,7 +5914,7 @@ PciExplainPciExpress (
// Advance to the next item if it exists
//
if (ExtHdr->NextCapabilityOffset != 0) {
ExtHdr = (PCI_EXP_EXT_HDR*)((UINT8*)ExRegBuffer + ExtHdr->NextCapabilityOffset);
ExtHdr = (PCI_EXP_EXT_HDR*)((UINT8*)ExRegBuffer + ExtHdr->NextCapabilityOffset - EFI_PCIE_CAPABILITY_BASE_OFFSET);
} else {
break;
}