From 0583f775d2740f64739febf6496d9207552399f6 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Mon, 26 Jul 2021 13:21:38 -1000 Subject: trace: Split guest_mem_before MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit There is no point in encoding load/store within a bit of the memory trace info operand. Represent atomic operations as a single read-modify-write tracepoint. Use MemOpIdx instead of inventing a form specifically for traces. Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- trace/mem.h | 51 --------------------------------------------------- 1 file changed, 51 deletions(-) delete mode 100644 trace/mem.h (limited to 'trace') diff --git a/trace/mem.h b/trace/mem.h deleted file mode 100644 index 699566c661..0000000000 --- a/trace/mem.h +++ /dev/null @@ -1,51 +0,0 @@ -/* - * Helper functions for guest memory tracing - * - * Copyright (C) 2016 Lluís Vilanova - * - * This work is licensed under the terms of the GNU GPL, version 2 or later. - * See the COPYING file in the top-level directory. - */ - -#ifndef TRACE__MEM_H -#define TRACE__MEM_H - -#include "exec/memopidx.h" - -#define TRACE_MEM_SZ_SHIFT_MASK 0xf /* size shift mask */ -#define TRACE_MEM_SE (1ULL << 4) /* sign extended (y/n) */ -#define TRACE_MEM_BE (1ULL << 5) /* big endian (y/n) */ -#define TRACE_MEM_ST (1ULL << 6) /* store (y/n) */ -#define TRACE_MEM_MMU_SHIFT 8 /* mmu idx */ - -/** - * trace_mem_get_info: - * - * Return a value for the 'info' argument in guest memory access traces. - */ -static inline uint16_t trace_mem_get_info(MemOpIdx oi, bool store) -{ - MemOp op = get_memop(oi); - uint32_t size_shift = op & MO_SIZE; - bool sign_extend = op & MO_SIGN; - bool big_endian = (op & MO_BSWAP) == MO_BE; - uint16_t res; - - res = size_shift & TRACE_MEM_SZ_SHIFT_MASK; - if (sign_extend) { - res |= TRACE_MEM_SE; - } - if (big_endian) { - res |= TRACE_MEM_BE; - } - if (store) { - res |= TRACE_MEM_ST; - } -#ifdef CONFIG_SOFTMMU - res |= get_mmuidx(oi) << TRACE_MEM_MMU_SHIFT; -#endif - - return res; -} - -#endif /* TRACE__MEM_H */ -- cgit v1.2.3