[edk2-devel] [PATCH v2 4/8] ArmPkg: skip empty system registers in ArmCpuInfo
Marcin Juszkiewicz
marcin.juszkiewicz at linaro.org
Mon Jun 5 06:37:39 UTC 2023
If system register is empty (value == 0) then do not display information
from it.
Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz at linaro.org>
---
ArmPkg/Application/ArmCpuInfo/ArmCpuInfo.c | 35 +++++++++++++++-------
1 file changed, 25 insertions(+), 10 deletions(-)
diff --git a/ArmPkg/Application/ArmCpuInfo/ArmCpuInfo.c b/ArmPkg/Application/ArmCpuInfo/ArmCpuInfo.c
index 982714ef6ca0..9d0d164774ff 100644
--- a/ArmPkg/Application/ArmCpuInfo/ArmCpuInfo.c
+++ b/ArmPkg/Application/ArmCpuInfo/ArmCpuInfo.c
@@ -2407,23 +2407,38 @@ UefiMain (
HandleAa64Mmfr0 (Aa64Mmfr0);
PrintSpacer ();
- HandleAa64Mmfr1 (Aa64Mmfr1, Aa64Pfr0);
- PrintSpacer ();
- HandleAa64Mmfr2 (Aa64Mmfr2);
- PrintSpacer ();
+ if (Aa64Mmfr1) {
+ HandleAa64Mmfr1 (Aa64Mmfr1, Aa64Pfr0);
+ PrintSpacer ();
+ }
+
+ if (Aa64Mmfr2) {
+ HandleAa64Mmfr2 (Aa64Mmfr2);
+ PrintSpacer ();
+ }
+
HandleAa64Pfr0 (Aa64Pfr0, Aa64Pfr1);
PrintSpacer ();
- HandleAa64Pfr1 (Aa64Pfr1);
- PrintSpacer ();
+ if (Aa64Pfr1) {
+ HandleAa64Pfr1 (Aa64Pfr1);
+ PrintSpacer ();
+ }
+
HandleAa64Isar0 (Aa64Isar0);
PrintSpacer ();
- HandleAa64Isar1 (Aa64Isar1);
- PrintSpacer ();
- HandleAa64Isar2 (Aa64Isar2);
- PrintSpacer ();
+ if (Aa64Isar1) {
+ HandleAa64Isar1 (Aa64Isar1);
+ PrintSpacer ();
+ }
+
+ if (Aa64Isar2) {
+ HandleAa64Isar2 (Aa64Isar2);
+ PrintSpacer ();
+ }
+
HandleAa64Dfr0 (Aa64Dfr0);
return EFI_SUCCESS;
--
2.40.1
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