From f19c3b4239f5bfb69aacbaf75d4277c095e7aa7d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Cl=C3=A9ment=20L=C3=A9ger?= Date: Wed, 4 Oct 2023 17:13:58 +0200 Subject: [PATCH] riscv: remove unused functions in traps_misaligned.c MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Replace macros by the only two function calls that are done from this file, store_u8() and load_u8(). Signed-off-by: Clément Léger Link: https://lore.kernel.org/r/20231004151405.521596-2-cleger@rivosinc.com Signed-off-by: Palmer Dabbelt --- arch/riscv/kernel/traps_misaligned.c | 48 +++++----------------------- 1 file changed, 8 insertions(+), 40 deletions(-) diff --git a/arch/riscv/kernel/traps_misaligned.c b/arch/riscv/kernel/traps_misaligned.c index 378f5b151443..e7bfb33089c1 100644 --- a/arch/riscv/kernel/traps_misaligned.c +++ b/arch/riscv/kernel/traps_misaligned.c @@ -151,51 +151,19 @@ #define PRECISION_S 0 #define PRECISION_D 1 -#define DECLARE_UNPRIVILEGED_LOAD_FUNCTION(type, insn) \ -static inline type load_##type(const type *addr) \ -{ \ - type val; \ - asm (#insn " %0, %1" \ - : "=&r" (val) : "m" (*addr)); \ - return val; \ -} - -#define DECLARE_UNPRIVILEGED_STORE_FUNCTION(type, insn) \ -static inline void store_##type(type *addr, type val) \ -{ \ - asm volatile (#insn " %0, %1\n" \ - : : "r" (val), "m" (*addr)); \ -} - -DECLARE_UNPRIVILEGED_LOAD_FUNCTION(u8, lbu) -DECLARE_UNPRIVILEGED_LOAD_FUNCTION(u16, lhu) -DECLARE_UNPRIVILEGED_LOAD_FUNCTION(s8, lb) -DECLARE_UNPRIVILEGED_LOAD_FUNCTION(s16, lh) -DECLARE_UNPRIVILEGED_LOAD_FUNCTION(s32, lw) -DECLARE_UNPRIVILEGED_STORE_FUNCTION(u8, sb) -DECLARE_UNPRIVILEGED_STORE_FUNCTION(u16, sh) -DECLARE_UNPRIVILEGED_STORE_FUNCTION(u32, sw) -#if defined(CONFIG_64BIT) -DECLARE_UNPRIVILEGED_LOAD_FUNCTION(u32, lwu) -DECLARE_UNPRIVILEGED_LOAD_FUNCTION(u64, ld) -DECLARE_UNPRIVILEGED_STORE_FUNCTION(u64, sd) -DECLARE_UNPRIVILEGED_LOAD_FUNCTION(ulong, ld) -#else -DECLARE_UNPRIVILEGED_LOAD_FUNCTION(u32, lw) -DECLARE_UNPRIVILEGED_LOAD_FUNCTION(ulong, lw) - -static inline u64 load_u64(const u64 *addr) +static inline u8 load_u8(const u8 *addr) { - return load_u32((u32 *)addr) - + ((u64)load_u32((u32 *)addr + 1) << 32); + u8 val; + + asm volatile("lbu %0, %1" : "=&r" (val) : "m" (*addr)); + + return val; } -static inline void store_u64(u64 *addr, u64 val) +static inline void store_u8(u8 *addr, u8 val) { - store_u32((u32 *)addr, val); - store_u32((u32 *)addr + 1, val >> 32); + asm volatile ("sb %0, %1\n" : : "r" (val), "m" (*addr)); } -#endif static inline ulong get_insn(ulong mepc) {