| Message ID | 20241103213001.2203278-1-ju.o@free.fr |
|---|---|
| State | Accepted |
| Headers | show |
| Series | [1/1] arch/arm: add the Cortex-A78 core | expand |
On Sun, 3 Nov 2024 22:30:01 +0100 Julien Olivain <ju.o@free.fr> wrote: > This commit adds the Cortex-A78 core, which is a armv8.2a ISA. > See: [1] [2]. > > This CPU support was added in GCC 11. See [3] [4]. > > Buildroot commit 771da1dd9 "configs/nvidia_bf3_defconfig: new > defconfig" [5] added the first defconfig for a board including > this CPU. > > [1] https://developer.arm.com/Processors/Cortex-A78 > [2] https://developer.arm.com/documentation/101430/0102/Functional-description/Introduction/About-the-core > [3] https://gcc.gnu.org/gcc-11/changes.html > [4] https://gcc.gnu.org/git/?p=gcc.git;a=blob;f=gcc/config/aarch64/aarch64-cores.def;hb=releases/gcc-11.1.0#l98 > [5] https://gitlab.com/buildroot.org/buildroot/-/commit/771da1dd9b209adfb27d2dd344a4b2fdcc8bacc4 > > Signed-off-by: Julien Olivain <ju.o@free.fr> > --- > arch/Config.in.arm | 9 +++++++++ > 1 file changed, 9 insertions(+) Applied to master, thanks. Thomas
diff --git a/arch/Config.in.arm b/arch/Config.in.arm index 219215d122..a11d581c43 100644 --- a/arch/Config.in.arm +++ b/arch/Config.in.arm @@ -466,6 +466,14 @@ config BR2_cortex_a76_a55 select BR2_ARM_CPU_HAS_FP_ARMV8 select BR2_ARM_CPU_ARMV8A select BR2_ARCH_NEEDS_GCC_AT_LEAST_9 +config BR2_cortex_a78 + bool "cortex-A78" + select BR2_ARM_CPU_HAS_ARM if !BR2_ARCH_IS_64 + select BR2_ARM_CPU_HAS_NEON if !BR2_ARCH_IS_64 + select BR2_ARM_CPU_HAS_THUMB2 if !BR2_ARCH_IS_64 + select BR2_ARM_CPU_HAS_FP_ARMV8 + select BR2_ARM_CPU_ARMV8A + select BR2_ARCH_NEEDS_GCC_AT_LEAST_11 config BR2_neoverse_n1 bool "neoverse-N1 (aka ares)" select BR2_ARM_CPU_HAS_ARM if !BR2_ARCH_IS_64 @@ -876,6 +884,7 @@ config BR2_GCC_TARGET_CPU default "cortex-a75.cortex-a55" if BR2_cortex_a75_a55 default "cortex-a76" if BR2_cortex_a76 default "cortex-a76.cortex-a55" if BR2_cortex_a76_a55 + default "cortex-a78" if BR2_cortex_a78 default "neoverse-n1" if BR2_neoverse_n1 default "tsv110" if BR2_tsv110 # armv8.4a
This commit adds the Cortex-A78 core, which is a armv8.2a ISA. See: [1] [2]. This CPU support was added in GCC 11. See [3] [4]. Buildroot commit 771da1dd9 "configs/nvidia_bf3_defconfig: new defconfig" [5] added the first defconfig for a board including this CPU. [1] https://developer.arm.com/Processors/Cortex-A78 [2] https://developer.arm.com/documentation/101430/0102/Functional-description/Introduction/About-the-core [3] https://gcc.gnu.org/gcc-11/changes.html [4] https://gcc.gnu.org/git/?p=gcc.git;a=blob;f=gcc/config/aarch64/aarch64-cores.def;hb=releases/gcc-11.1.0#l98 [5] https://gitlab.com/buildroot.org/buildroot/-/commit/771da1dd9b209adfb27d2dd344a4b2fdcc8bacc4 Signed-off-by: Julien Olivain <ju.o@free.fr> --- arch/Config.in.arm | 9 +++++++++ 1 file changed, 9 insertions(+)