diff options
| author | Ard Biesheuvel <ardb@kernel.org> | 2024-06-19 17:17:38 +0200 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2024-06-19 17:25:11 +0000 |
| commit | e76be772aae59d3d58a92ac441e524a1a5c8952b (patch) | |
| tree | 0ce4e3a1f20ff92c14323764bf13279b19f418f3 /ArmPkg/Include | |
| parent | 4d4f56992460c039d0cfe48c394c2e07aecf1d22 (diff) | |
| download | edk2-e76be772aae59d3d58a92ac441e524a1a5c8952b.zip edk2-e76be772aae59d3d58a92ac441e524a1a5c8952b.tar.gz edk2-e76be772aae59d3d58a92ac441e524a1a5c8952b.tar.bz2 | |
ArmPkg/ArmLib ArmMmuLib: Drop support for EL3/MON execution
Drop logic from the ARM architectural support libraries that can only
execute in EL3 on AArch64 or Monitor mode on 32-bit ARM. While early
32-bit ports (and even some early 64-bit code) included some monitor
logic in EDK2, UEFI per the spec runs in non-secure execution contexts
only, and secure monitor and other secure world duties are usually
delegated to TF-A (Trusted Firmware for the A profile).
Since there are no longer users of this code in EDK2 or the
edk2-platforms tree, let's remove it from the core support libraries.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Diffstat (limited to 'ArmPkg/Include')
| -rw-r--r-- | ArmPkg/Include/AsmMacroIoLibV8.h | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/ArmPkg/Include/AsmMacroIoLibV8.h b/ArmPkg/Include/AsmMacroIoLibV8.h index 81164ea..a5c8635 100644 --- a/ArmPkg/Include/AsmMacroIoLibV8.h +++ b/ArmPkg/Include/AsmMacroIoLibV8.h @@ -23,17 +23,6 @@ cbnz SAFE_XREG, 1f ;\
b . ;// We should never get here
-// CurrentEL : 0xC = EL3; 8 = EL2; 4 = EL1
-// This only selects between EL1 and EL2 and EL3, else we die.
-// Provide the Macro with a safe temp xreg to use.
-#define EL1_OR_EL2_OR_EL3(SAFE_XREG) \
- mrs SAFE_XREG, CurrentEL ;\
- cmp SAFE_XREG, #0x8 ;\
- b.gt 3f ;\
- b.eq 2f ;\
- cbnz SAFE_XREG, 1f ;\
- b . ;// We should never get here
-
#define _ASM_FUNC(Name, Section) \
.global Name ; \
.section #Section, "ax" ; \
|