First nibbles of DFR0/ISAR1/ISAR2/MMRF2/PFR0 system registers were read in wrong way -- second one was used instead.
Signed-off-by: Marcin Juszkiewicz <marcin.juszkiew...@linaro.org> --- ArmPkg/Application/ArmCpuInfo/ArmCpuInfo.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/ArmPkg/Application/ArmCpuInfo/ArmCpuInfo.c b/ArmPkg/Application/ArmCpuInfo/ArmCpuInfo.c index deea90fbdfbf..3f0a49649790 100644 --- a/ArmPkg/Application/ArmCpuInfo/ArmCpuInfo.c +++ b/ArmPkg/Application/ArmCpuInfo/ArmCpuInfo.c @@ -107,7 +107,7 @@ HandleAa64Dfr0 ( CONST CHAR8 *Bits; Bits = "3:0 "; - Value = (Aa64Dfr0 >> 4) & 0xf; + Value = Aa64Dfr0 & 0xf; switch (Value) { case b0110: Description = "Armv8 debug architecture"; @@ -637,7 +637,7 @@ HandleAa64Isar1 ( CONST CHAR8 *Bits; Bits = "3:0 "; - Value = (Aa64Isar1 >> 4) & 0xf; + Value = Aa64Isar1 & 0xf; switch (Value) { case b0000: Description = "DC CVAP not implemented."; @@ -954,7 +954,7 @@ HandleAa64Isar2 ( CONST CHAR8 *Bits; Bits = "3:0 "; - Value = (Aa64Isar2 >> 4) & 0xf; + Value = Aa64Isar2 & 0xf; switch (Value) { case b0000: Description = "FEAT_WFxT not implemented."; @@ -1637,7 +1637,7 @@ HandleAa64Mmfr2 ( CONST CHAR8 *Bits; Bits = "3:0 "; - Value = (Aa64Mmfr2) & 0xf; + Value = Aa64Mmfr2 & 0xf; switch (Value) { case b0000: Description = "FEAT_TTCNP not implemented."; @@ -1906,7 +1906,7 @@ HandleAa64Pfr0 ( CONST CHAR8 *Bits; Bits = "3:0 "; - Value = (Aa64Pfr0) & 0xf; + Value = Aa64Pfr0 & 0xf; switch (Value) { case b0001: Description = "EL0 in AArch64 only"; -- 2.40.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#105693): https://edk2.groups.io/g/devel/message/105693 Mute This Topic: https://groups.io/mt/99335288/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-