diff options
Diffstat (limited to 'arch/xtensa')
| -rw-r--r-- | arch/xtensa/boot/Makefile | 2 | ||||
| -rw-r--r-- | arch/xtensa/include/asm/processor.h | 6 | ||||
| -rw-r--r-- | arch/xtensa/kernel/head.S | 7 | ||||
| -rw-r--r-- | arch/xtensa/kernel/vmlinux.lds.S | 1 |
4 files changed, 12 insertions, 4 deletions
diff --git a/arch/xtensa/boot/Makefile b/arch/xtensa/boot/Makefile index 53e4178711e6..8c20a7965bda 100644 --- a/arch/xtensa/boot/Makefile +++ b/arch/xtensa/boot/Makefile @@ -34,7 +34,7 @@ boot-elf boot-redboot: $(addprefix $(obj)/,$(subdir-y)) \ $(addprefix $(obj)/,$(host-progs)) $(Q)$(MAKE) $(build)=$(obj)/$@ $(MAKECMDGOALS) -OBJCOPYFLAGS = --strip-all -R .comment -R .note.gnu.build-id -O binary +OBJCOPYFLAGS = --strip-all -R .comment -R .notes -O binary vmlinux.bin: vmlinux FORCE $(call if_changed,objcopy) diff --git a/arch/xtensa/include/asm/processor.h b/arch/xtensa/include/asm/processor.h index 5b0027d4ecc0..a39cd81b741a 100644 --- a/arch/xtensa/include/asm/processor.h +++ b/arch/xtensa/include/asm/processor.h @@ -24,7 +24,11 @@ # error Linux requires the Xtensa Windowed Registers Option. #endif -#define ARCH_SLAB_MINALIGN XCHAL_DATA_WIDTH +/* Xtensa ABI requires stack alignment to be at least 16 */ + +#define STACK_ALIGN (XCHAL_DATA_WIDTH > 16 ? XCHAL_DATA_WIDTH : 16) + +#define ARCH_SLAB_MINALIGN STACK_ALIGN /* * User space process size: 1 GB. diff --git a/arch/xtensa/kernel/head.S b/arch/xtensa/kernel/head.S index 9c4e9433e536..3ceb76c7a4ae 100644 --- a/arch/xtensa/kernel/head.S +++ b/arch/xtensa/kernel/head.S @@ -88,9 +88,12 @@ _SetupMMU: initialize_mmu #if defined(CONFIG_MMU) && XCHAL_HAVE_PTP_MMU && XCHAL_HAVE_SPANNING_WAY rsr a2, excsave1 - movi a3, 0x08000000 + movi a3, XCHAL_KSEG_PADDR + bltu a2, a3, 1f + sub a2, a2, a3 + movi a3, XCHAL_KSEG_SIZE bgeu a2, a3, 1f - movi a3, 0xd0000000 + movi a3, XCHAL_KSEG_CACHED_VADDR add a2, a2, a3 wsr a2, excsave1 1: diff --git a/arch/xtensa/kernel/vmlinux.lds.S b/arch/xtensa/kernel/vmlinux.lds.S index 70b731edc7b8..c430c96ea723 100644 --- a/arch/xtensa/kernel/vmlinux.lds.S +++ b/arch/xtensa/kernel/vmlinux.lds.S @@ -131,6 +131,7 @@ SECTIONS .fixup : { *(.fixup) } EXCEPTION_TABLE(16) + NOTES /* Data section */ _sdata = .; |