aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/arch/riscv/include/asm/alternative-macros.h
diff options
context:
space:
mode:
authorAndrew Jones <ajones@ventanamicro.com>2022-11-29 16:00:53 +0100
committerPalmer Dabbelt <palmer@rivosinc.com>2022-12-09 18:14:24 -0800
commit26fb4b90b745a808e94a81dc732d440c285fa74b (patch)
tree1954704396df0ddb9725824e42f8bcf984c608e9 /arch/riscv/include/asm/alternative-macros.h
parentriscv: alternatives: Drop the underscores from the assembly macro names (diff)
downloadwireguard-linux-26fb4b90b745a808e94a81dc732d440c285fa74b.tar.xz
wireguard-linux-26fb4b90b745a808e94a81dc732d440c285fa74b.zip
riscv: Don't duplicate _ALTERNATIVE_CFG* macros
Reduce clutter by only defining the _ALTERNATIVE_CFG* macros once, rather than once for assembly and once for C. To do that, we need to add __ALTERNATIVE_CFG* macros to the assembly side, but those are one-liners. Also take the opportunity to do a bit of reformatting, taking full advantage of the fact checkpatch gives us 100 char lines. Signed-off-by: Andrew Jones <ajones@ventanamicro.com> Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Acked-by: Conor Dooley <conor.dooley@microchip.com> Link: https://lore.kernel.org/r/20221129150053.50464-5-ajones@ventanamicro.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'arch/riscv/include/asm/alternative-macros.h')
-rw-r--r--arch/riscv/include/asm/alternative-macros.h53
1 files changed, 17 insertions, 36 deletions
diff --git a/arch/riscv/include/asm/alternative-macros.h b/arch/riscv/include/asm/alternative-macros.h
index 9ea95331a280..7226e2462584 100644
--- a/arch/riscv/include/asm/alternative-macros.h
+++ b/arch/riscv/include/asm/alternative-macros.h
@@ -44,23 +44,14 @@
ALT_NEW_CONTENT \vendor_id, \errata_id, \enable, \new_c
.endm
-#define _ALTERNATIVE_CFG(old_c, new_c, vendor_id, errata_id, CONFIG_k) \
- ALTERNATIVE_CFG old_c, new_c, vendor_id, errata_id, IS_ENABLED(CONFIG_k)
-
.macro ALTERNATIVE_CFG_2 old_c, new_c_1, vendor_id_1, errata_id_1, enable_1, \
new_c_2, vendor_id_2, errata_id_2, enable_2
ALTERNATIVE_CFG \old_c, \new_c_1, \vendor_id_1, \errata_id_1, \enable_1
ALT_NEW_CONTENT \vendor_id_2, \errata_id_2, \enable_2, \new_c_2
.endm
-#define _ALTERNATIVE_CFG_2(old_c, new_c_1, vendor_id_1, errata_id_1, \
- CONFIG_k_1, \
- new_c_2, vendor_id_2, errata_id_2, \
- CONFIG_k_2) \
- ALTERNATIVE_CFG_2 old_c, new_c_1, vendor_id_1, errata_id_1, \
- IS_ENABLED(CONFIG_k_1), \
- new_c_2, vendor_id_2, errata_id_2, \
- IS_ENABLED(CONFIG_k_2)
+#define __ALTERNATIVE_CFG(...) ALTERNATIVE_CFG __VA_ARGS__
+#define __ALTERNATIVE_CFG_2(...) ALTERNATIVE_CFG_2 __VA_ARGS__
#else /* !__ASSEMBLY__ */
@@ -102,27 +93,21 @@
"887 :\n" \
ALT_NEW_CONTENT(vendor_id, errata_id, enable, new_c)
-#define _ALTERNATIVE_CFG(old_c, new_c, vendor_id, errata_id, CONFIG_k) \
- __ALTERNATIVE_CFG(old_c, new_c, vendor_id, errata_id, IS_ENABLED(CONFIG_k))
-
-#define __ALTERNATIVE_CFG_2(old_c, new_c_1, vendor_id_1, errata_id_1, \
- enable_1, \
- new_c_2, vendor_id_2, errata_id_2, \
- enable_2) \
- __ALTERNATIVE_CFG(old_c, new_c_1, vendor_id_1, errata_id_1, enable_1) \
+#define __ALTERNATIVE_CFG_2(old_c, new_c_1, vendor_id_1, errata_id_1, enable_1, \
+ new_c_2, vendor_id_2, errata_id_2, enable_2) \
+ __ALTERNATIVE_CFG(old_c, new_c_1, vendor_id_1, errata_id_1, enable_1) \
ALT_NEW_CONTENT(vendor_id_2, errata_id_2, enable_2, new_c_2)
-#define _ALTERNATIVE_CFG_2(old_c, new_c_1, vendor_id_1, errata_id_1, \
- CONFIG_k_1, \
- new_c_2, vendor_id_2, errata_id_2, \
- CONFIG_k_2) \
- __ALTERNATIVE_CFG_2(old_c, new_c_1, vendor_id_1, errata_id_1, \
- IS_ENABLED(CONFIG_k_1), \
- new_c_2, vendor_id_2, errata_id_2, \
- IS_ENABLED(CONFIG_k_2))
-
#endif /* __ASSEMBLY__ */
+#define _ALTERNATIVE_CFG(old_c, new_c, vendor_id, errata_id, CONFIG_k) \
+ __ALTERNATIVE_CFG(old_c, new_c, vendor_id, errata_id, IS_ENABLED(CONFIG_k))
+
+#define _ALTERNATIVE_CFG_2(old_c, new_c_1, vendor_id_1, errata_id_1, CONFIG_k_1, \
+ new_c_2, vendor_id_2, errata_id_2, CONFIG_k_2) \
+ __ALTERNATIVE_CFG_2(old_c, new_c_1, vendor_id_1, errata_id_1, IS_ENABLED(CONFIG_k_1), \
+ new_c_2, vendor_id_2, errata_id_2, IS_ENABLED(CONFIG_k_2))
+
#else /* CONFIG_RISCV_ALTERNATIVE */
#ifdef __ASSEMBLY__
@@ -173,13 +158,9 @@
* on the following sample code and then replace ALTERNATIVE() with
* ALTERNATIVE_2() to append its customized content.
*/
-#define ALTERNATIVE_2(old_content, new_content_1, vendor_id_1, \
- errata_id_1, CONFIG_k_1, \
- new_content_2, vendor_id_2, \
- errata_id_2, CONFIG_k_2) \
- _ALTERNATIVE_CFG_2(old_content, new_content_1, vendor_id_1, \
- errata_id_1, CONFIG_k_1, \
- new_content_2, vendor_id_2, \
- errata_id_2, CONFIG_k_2)
+#define ALTERNATIVE_2(old_content, new_content_1, vendor_id_1, errata_id_1, CONFIG_k_1, \
+ new_content_2, vendor_id_2, errata_id_2, CONFIG_k_2) \
+ _ALTERNATIVE_CFG_2(old_content, new_content_1, vendor_id_1, errata_id_1, CONFIG_k_1, \
+ new_content_2, vendor_id_2, errata_id_2, CONFIG_k_2)
#endif