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| author | Andrew Turner <andrew@FreeBSD.org> | 2020-04-24 10:03:11 +0000 |
|---|---|---|
| committer | Kyle Evans <kevans@FreeBSD.org> | 2021-10-08 01:15:59 +0000 |
| commit | c6bbaf794d11bc2d80b00eda20a0ce761ac9d656 (patch) | |
| tree | 64811bd98afb7fc2db7bc2c961a64f0ce0eaf567 | |
| parent | 51ddd2851e4a36e28cf78dfe06125723f7d2b113 (diff) | |
| download | src-c6bbaf794d11bc2d80b00eda20a0ce761ac9d656.tar.gz src-c6bbaf794d11bc2d80b00eda20a0ce761ac9d656.zip | |
Build the arm64 loader with -ffixed-x18
This stops the compiler from using the x18 register. Some UEFI
implementations assume this will be preserved when calling the Boot
Services.
(cherry picked from commit a2e2311a40696e39eb24ff4a4d4c0968bba42c8c)
| -rw-r--r-- | stand/defs.mk | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/stand/defs.mk b/stand/defs.mk index 9e291639e877..6fba2051301b 100644 --- a/stand/defs.mk +++ b/stand/defs.mk @@ -126,7 +126,7 @@ AFLAGS+= --32 # currently has no /boot/loader, but may soon. CFLAGS+= -ffreestanding ${CFLAGS_NO_SIMD} .if ${MACHINE_CPUARCH} == "aarch64" -CFLAGS+= -mgeneral-regs-only -fPIC +CFLAGS+= -mgeneral-regs-only -ffixed-x18 -fPIC .elif ${MACHINE_CPUARCH} == "riscv" CFLAGS+= -march=rv64imac -mabi=lp64 .else |