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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-02-21 22:18:26 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-02-21 22:18:26 +0100 |
| commit | 2671fe5e1d48fe2c14a46bdf8fd9d7b24f88c1e2 (patch) | |
| tree | d388a72f779c2c6f48b1484f7a5162d7026dceaa /arch/mips/boot/compressed | |
| parent | Merge tag 'm68k-for-v5.12-tag1' of git://git.kernel.org/pub/scm/linux/kernel/... (diff) | |
| parent | Revert "MIPS: Add basic support for ptrace single step" (diff) | |
| download | linux-2671fe5e1d48fe2c14a46bdf8fd9d7b24f88c1e2.tar.xz linux-2671fe5e1d48fe2c14a46bdf8fd9d7b24f88c1e2.zip | |
Merge tag 'mips_5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS updates from Thomas Bogendoerfer:
- added support for Nintendo N64
- added support for Realtek RTL83XX SoCs
- kaslr support for Loongson64
- first steps to get rid of set_fs()
- DMA runtime coherent/non-coherent selection cleanup
- cleanups and fixes
* tag 'mips_5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (98 commits)
Revert "MIPS: Add basic support for ptrace single step"
vmlinux.lds.h: catch more UBSAN symbols into .data
MIPS: kernel: Drop kgdb_call_nmi_hook
MAINTAINERS: Add git tree for KVM/mips
MIPS: Use common way to parse elfcorehdr
MIPS: Simplify EVA cache handling
Revert "MIPS: kernel: {ftrace,kgdb}: Set correct address limit for cache flushes"
MIPS: remove CONFIG_DMA_PERDEV_COHERENT
MIPS: remove CONFIG_DMA_MAYBE_COHERENT
driver core: lift dma_default_coherent into common code
MIPS: refactor the runtime coherent vs noncoherent DMA indicators
MIPS/alchemy: factor out the DMA coherent setup
MIPS/malta: simplify plat_setup_iocoherency
MIPS: Add basic support for ptrace single step
MAINTAINERS: replace non-matching patterns for loongson{2,3}
MIPS: Make check condition for SDBBP consistent with EJTAG spec
mips: Replace lkml.org links with lore
Revert "MIPS: microMIPS: Fix the judgment of mm_jr16_op and mm_jalr_op"
MIPS: crash_dump.c: Simplify copy_oldmem_page()
Revert "mips: Manually call fdt_init_reserved_mem() method"
...
Diffstat (limited to 'arch/mips/boot/compressed')
| -rw-r--r-- | arch/mips/boot/compressed/Makefile | 1 | ||||
| -rw-r--r-- | arch/mips/boot/compressed/head.S | 20 |
2 files changed, 9 insertions, 12 deletions
diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile index 47cd9dc7454a..f93f72bcba97 100644 --- a/arch/mips/boot/compressed/Makefile +++ b/arch/mips/boot/compressed/Makefile @@ -37,6 +37,7 @@ KBUILD_AFLAGS := $(KBUILD_AFLAGS) -D__ASSEMBLY__ \ # Prevents link failures: __sanitizer_cov_trace_pc() is not linked in. KCOV_INSTRUMENT := n GCOV_PROFILE := n +UBSAN_SANITIZE := n # decompressor objects (linked with vmlinuz) vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o diff --git a/arch/mips/boot/compressed/head.S b/arch/mips/boot/compressed/head.S index 409cb483a9ff..5795d0af1e1b 100644 --- a/arch/mips/boot/compressed/head.S +++ b/arch/mips/boot/compressed/head.S @@ -15,10 +15,7 @@ #include <asm/asm.h> #include <asm/regdef.h> - .set noreorder - .cprestore LEAF(start) -start: /* Save boot rom start args */ move s0, a0 move s1, a1 @@ -29,27 +26,26 @@ start: PTR_LA a0, _edata PTR_LA a2, _end 1: sw zero, 0(a0) + addiu a0, a0, 4 bne a2, a0, 1b - addiu a0, a0, 4 PTR_LA a0, (.heap) /* heap address */ PTR_LA sp, (.stack + 8192) /* stack address */ - PTR_LA ra, 2f - PTR_LA k0, decompress_kernel - jr k0 - nop + PTR_LA t9, decompress_kernel + jalr t9 + 2: move a0, s0 move a1, s1 move a2, s2 move a3, s3 - PTR_LI k0, KERNEL_ENTRY - jr k0 - nop + PTR_LI t9, KERNEL_ENTRY + jalr t9 + 3: b 3b - nop + END(start) .comm .heap,BOOT_HEAP_SIZE,4 |