diff options
Diffstat (limited to 'meta/recipes-bsp/opensbi/files/0001-build-Use-ffreestanding.patch')
| -rw-r--r-- | meta/recipes-bsp/opensbi/files/0001-build-Use-ffreestanding.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/meta/recipes-bsp/opensbi/files/0001-build-Use-ffreestanding.patch b/meta/recipes-bsp/opensbi/files/0001-build-Use-ffreestanding.patch new file mode 100644 index 0000000000..4899fad6aa --- /dev/null +++ b/meta/recipes-bsp/opensbi/files/0001-build-Use-ffreestanding.patch @@ -0,0 +1,28 @@ +From efa39afecedf75a1f3154c39507bdde2810bc140 Mon Sep 17 00:00:00 2001 +From: Khem Raj <raj.khem@gmail.com> +Date: Mon, 6 Jan 2020 18:21:02 -0800 +Subject: [PATCH] build: Use -ffreestanding + +this is a stand-alone/baremetal application, therefore demanding +-ffreestanding would help it compile with hosted toolchains e.g. ( linux +toolchains ), it also ensures that it won't be using platform +optimizations like inlining mem* str* functions which gcc might decide +especially with wrapper string functions in opensbi code + +Upstream-Status: Accepted [https://github.com/riscv/opensbi/commit/049ad0b3877352527ab470eba33bc767e9b54961] +Signed-off-by: Khem Raj <raj.khem@gmail.com> +--- + Makefile | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/Makefile ++++ b/Makefile +@@ -159,7 +159,7 @@ GENFLAGS += $(libsbiutils-genflags-y) + GENFLAGS += $(platform-genflags-y) + GENFLAGS += $(firmware-genflags-y) + +-CFLAGS = -g -Wall -Werror -nostdlib -fno-strict-aliasing -O2 ++CFLAGS = -g -Wall -Werror -ffreestanding -nostdlib -fno-strict-aliasing -O2 + CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls + CFLAGS += -mno-save-restore -mstrict-align + CFLAGS += -mcmodel=$(PLATFORM_RISCV_CODE_MODEL) |