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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-24 11:03:26 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-24 11:03:26 -0700 |
| commit | 0a72ef89901409847036664c23ba6eee7cf08e0e (patch) | |
| tree | bb20f0011292a0e1abb4326a1387c4649313aac9 /arch/arm64/include/asm/insn.h | |
| parent | Merge tag 'platform-drivers-x86-v5.2-2' of git://git.infradead.org/linux-platform-drivers-x86 (diff) | |
| parent | arm64: insn: Add BUILD_BUG_ON() for invalid masks (diff) | |
| download | linux-dev-0a72ef89901409847036664c23ba6eee7cf08e0e.tar.xz linux-dev-0a72ef89901409847036664c23ba6eee7cf08e0e.zip | |
Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull more arm64 fixes from Will Deacon:
- Fix incorrect LDADD instruction encoding in our disassembly macros
- Disable the broken ARM64_PSEUDO_NMI support for now
- Add workaround for Cortex-A76 CPU erratum #1463225
- Handle Cortex-A76/Neoverse-N1 erratum #1418040 w/ existing workaround
- Fix IORT build failure if IOMMU_SUPPORT=n
- Fix place-relative module relocation range checking and its
interaction with KASLR
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: insn: Add BUILD_BUG_ON() for invalid masks
arm64: insn: Fix ldadd instruction encoding
arm64: Kconfig: Make ARM64_PSEUDO_NMI depend on BROKEN for now
arm64: Handle erratum 1418040 as a superset of erratum 1188873
arm64/module: deal with ambiguity in PRELxx relocation ranges
ACPI/IORT: Fix build error when IOMMU_SUPPORT is disabled
arm64/kernel: kaslr: reduce module randomization range to 2 GB
arm64: errata: Add workaround for Cortex-A76 erratum #1463225
arm64: Remove useless message during oops
Diffstat (limited to 'arch/arm64/include/asm/insn.h')
| -rw-r--r-- | arch/arm64/include/asm/insn.h | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/arch/arm64/include/asm/insn.h b/arch/arm64/include/asm/insn.h index ec894de0ed4e..87fdfba13a30 100644 --- a/arch/arm64/include/asm/insn.h +++ b/arch/arm64/include/asm/insn.h @@ -18,6 +18,7 @@ */ #ifndef __ASM_INSN_H #define __ASM_INSN_H +#include <linux/build_bug.h> #include <linux/types.h> /* A64 instructions are always 32 bits. */ @@ -266,18 +267,23 @@ enum aarch64_insn_adr_type { AARCH64_INSN_ADR_TYPE_ADR, }; -#define __AARCH64_INSN_FUNCS(abbr, mask, val) \ -static __always_inline bool aarch64_insn_is_##abbr(u32 code) \ -{ return (code & (mask)) == (val); } \ -static __always_inline u32 aarch64_insn_get_##abbr##_value(void) \ -{ return (val); } +#define __AARCH64_INSN_FUNCS(abbr, mask, val) \ +static __always_inline bool aarch64_insn_is_##abbr(u32 code) \ +{ \ + BUILD_BUG_ON(~(mask) & (val)); \ + return (code & (mask)) == (val); \ +} \ +static __always_inline u32 aarch64_insn_get_##abbr##_value(void) \ +{ \ + return (val); \ +} __AARCH64_INSN_FUNCS(adr, 0x9F000000, 0x10000000) __AARCH64_INSN_FUNCS(adrp, 0x9F000000, 0x90000000) __AARCH64_INSN_FUNCS(prfm, 0x3FC00000, 0x39800000) __AARCH64_INSN_FUNCS(prfm_lit, 0xFF000000, 0xD8000000) __AARCH64_INSN_FUNCS(str_reg, 0x3FE0EC00, 0x38206800) -__AARCH64_INSN_FUNCS(ldadd, 0x3F20FC00, 0xB8200000) +__AARCH64_INSN_FUNCS(ldadd, 0x3F20FC00, 0x38200000) __AARCH64_INSN_FUNCS(ldr_reg, 0x3FE0EC00, 0x38606800) __AARCH64_INSN_FUNCS(ldr_lit, 0xBF000000, 0x18000000) __AARCH64_INSN_FUNCS(ldrsw_lit, 0xFF000000, 0x98000000) |