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| author |   Christophe Leroy <christophe.leroy@csgroup.eu> | 2022-05-09 07:36:14 +0200 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2022-05-19 23:11:29 +1000 |
| commit | e89aa642be21b14e53bab40a37b8c6b0cf05143d (patch) | |
| tree | 6b26d9450496e733d7bece84f1015dd5c0f4313b /arch/powerpc/include/asm/ppc-opcode.h | |
| parent | powerpc/ftrace: Use BRANCH_SET_LINK instead of value 1 (diff) | |
| download | linux-dev-e89aa642be21b14e53bab40a37b8c6b0cf05143d.tar.xz linux-dev-e89aa642be21b14e53bab40a37b8c6b0cf05143d.zip | |
powerpc/ftrace: Use PPC_RAW_xxx() macros instead of opencoding.
PPC_RAW_xxx() macros are self explanatory and less error prone
than open coding.
Use them in ftrace.c
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/9292094c9a69cef6d29ee83f435a557b59c45065.1652074503.git.christophe.leroy@csgroup.eu
Diffstat (limited to '')
| -rw-r--r-- | arch/powerpc/include/asm/ppc-opcode.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h index 683e9bc618a7..de6534d561f7 100644 --- a/arch/powerpc/include/asm/ppc-opcode.h +++ b/arch/powerpc/include/asm/ppc-opcode.h @@ -363,6 +363,10 @@ #define PPC_HIGHER(v) (((v) >> 32) & 0xffff) #define PPC_HIGHEST(v) (((v) >> 48) & 0xffff) +/* LI Field */ +#define PPC_LI_MASK 0x03fffffc +#define PPC_LI(v) ((v) & PPC_LI_MASK) + /* * Only use the larx hint bit on 64bit CPUs. e500v1/v2 based CPUs will treat a * larx with EH set as an illegal instruction. @@ -583,6 +587,7 @@ #define PPC_RAW_EIEIO() (0x7c0006ac) #define PPC_RAW_BRANCH(addr) (PPC_INST_BRANCH | ((addr) & 0x03fffffc)) +#define PPC_RAW_BL(offset) (0x48000001 | PPC_LI(offset)) /* Deal with instructions that older assemblers aren't aware of */ #define PPC_BCCTR_FLUSH stringify_in_c(.long PPC_INST_BCCTR_FLUSH) |