From: Anton Johansson via <qemu-devel@nongnu.org>
To: qemu-devel@nongnu.org
Cc: ale@rev.ng, richard.henderson@linaro.org, pbonzini@redhat.com,
eduardo@habkost.net, peter.maydell@linaro.org, mrolnik@gmail.com,
tsimpson@quicinc.com, gaosong@loongson.cn,
yangxiaojuan@loongson.cn, edgar.iglesias@gmail.com,
philmd@linaro.org, shorne@gmail.com, palmer@dabbelt.com,
alistair.francis@wdc.com, bin.meng@windriver.com,
ysato@users.sourceforge.jp, mark.cave-ayland@ilande.co.uk,
atar4qemu@gmail.com, kbastian@mail.uni-paderborn.de
Subject: [PATCH v2 05/27] include/exec: Replace `TARGET_TB_PCREL` with `CF_PCREL`
Date: Tue, 21 Feb 2023 23:17:56 +0100 [thread overview]
Message-ID: <20230221221818.9382-6-anjo@rev.ng> (raw)
In-Reply-To: <20230221221818.9382-1-anjo@rev.ng>
Signed-off-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
include/exec/exec-all.h | 27 +++++++++++----------------
1 file changed, 11 insertions(+), 16 deletions(-)
diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h
index 9186a58554..f1615af7cb 100644
--- a/include/exec/exec-all.h
+++ b/include/exec/exec-all.h
@@ -505,22 +505,20 @@ struct tb_tc {
};
struct TranslationBlock {
-#if !TARGET_TB_PCREL
/*
* Guest PC corresponding to this block. This must be the true
* virtual address. Therefore e.g. x86 stores EIP + CS_BASE, and
* targets like Arm, MIPS, HP-PA, which reuse low bits for ISA or
* privilege, must store those bits elsewhere.
*
- * If TARGET_TB_PCREL, the opcodes for the TranslationBlock are
- * written such that the TB is associated only with the physical
- * page and may be run in any virtual address context. In this case,
- * PC must always be taken from ENV in a target-specific manner.
+ * If CF_PCREL, the opcodes for the TranslationBlock are written
+ * such that the TB is associated only with the physical page and
+ * may be run in any virtual address context. In this case, PC
+ * must always be taken from ENV in a target-specific manner.
* Unwind information is taken as offsets from the page, to be
* deposited into the "current" PC.
*/
target_ulong pc;
-#endif
/*
* Target-specific data associated with the TranslationBlock, e.g.:
@@ -614,22 +612,19 @@ struct TranslationBlock {
uintptr_t jmp_dest[2];
};
-/* Hide the read to avoid ifdefs for TARGET_TB_PCREL. */
-static inline target_ulong tb_pc(const TranslationBlock *tb)
-{
-#if TARGET_TB_PCREL
- qemu_build_not_reached();
-#else
- return tb->pc;
-#endif
-}
-
/* Hide the qatomic_read to make code a little easier on the eyes */
static inline uint32_t tb_cflags(const TranslationBlock *tb)
{
return qatomic_read(&tb->cflags);
}
+/* Hide the read to avoid ifdefs for CF_PCREL. */
+static inline target_ulong tb_pc(const TranslationBlock *tb)
+{
+ assert(!(tb_cflags(tb) & CF_PCREL));
+ return tb->pc;
+}
+
static inline tb_page_addr_t tb_page_addr0(const TranslationBlock *tb)
{
#ifdef CONFIG_USER_ONLY
--
2.39.1
next prev parent reply other threads:[~2023-02-21 22:25 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-21 22:17 [PATCH v2 00/27] Replace TARGET_TB_PCREL with CF_PCREL Anton Johansson via
2023-02-21 22:17 ` [PATCH v2 01/27] include/exec: Introduce `CF_PCREL` Anton Johansson via
2023-02-21 22:17 ` [PATCH v2 02/27] target/i386: set `CF_PCREL` in `x86_cpu_realizefn` Anton Johansson via
2023-02-21 22:17 ` [PATCH v2 03/27] target/arm: set `CF_PCREL` in `arm_cpu_realizefn` Anton Johansson via
2023-02-21 22:17 ` [PATCH v2 04/27] accel/tcg: Replace `TARGET_TB_PCREL` with `CF_PCREL` Anton Johansson via
2023-02-21 22:17 ` Anton Johansson via [this message]
2023-02-21 22:17 ` [PATCH v2 06/27] target/arm: " Anton Johansson via
2023-02-21 22:17 ` [PATCH v2 07/27] target/i386: " Anton Johansson via
2023-02-21 22:17 ` [PATCH v2 08/27] include/exec: Remove `TARGET_TB_PCREL` define Anton Johansson via
2023-02-21 22:18 ` [PATCH v2 09/27] target/arm: " Anton Johansson via
2023-02-21 22:18 ` [PATCH v2 10/27] target/i386: " Anton Johansson via
2023-02-21 22:18 ` [PATCH v2 11/27] accel/tcg: Move jmp-cache `CF_PCREL` checks to caller Anton Johansson via
2023-02-21 22:18 ` [PATCH v2 12/27] accel/tcg: Replace `tb_pc()` with `tb->pc` Anton Johansson via
2023-02-21 22:18 ` [PATCH v2 13/27] target/tricore: " Anton Johansson via
2023-02-21 22:18 ` [PATCH v2 14/27] target/sparc: " Anton Johansson via
2023-02-21 22:18 ` [PATCH v2 15/27] target/sh4: " Anton Johansson via
2023-02-21 22:18 ` [PATCH v2 16/27] target/rx: " Anton Johansson via
2023-02-21 22:18 ` [PATCH v2 17/27] target/riscv: " Anton Johansson via
2023-02-21 22:18 ` [PATCH v2 18/27] target/openrisc: " Anton Johansson via
2023-02-21 22:18 ` [PATCH v2 19/27] target/mips: " Anton Johansson via
2023-02-21 22:18 ` [PATCH v2 20/27] target/microblaze: " Anton Johansson via
2023-02-21 22:18 ` [PATCH v2 21/27] target/loongarch: " Anton Johansson via
2023-02-21 22:18 ` [PATCH v2 22/27] target/i386: " Anton Johansson via
2023-02-21 22:18 ` [PATCH v2 23/27] target/hppa: " Anton Johansson via
2023-02-21 22:18 ` [PATCH v2 24/27] target/hexagon: " Anton Johansson via
2023-02-21 22:18 ` [PATCH v2 25/27] target/avr: " Anton Johansson via
2023-02-21 22:18 ` [PATCH v2 26/27] target/arm: " Anton Johansson via
2023-02-21 22:18 ` [PATCH v2 27/27] include/exec: Remove `tb_pc()` Anton Johansson via
2023-02-21 22:39 ` [PATCH v2 00/27] Replace TARGET_TB_PCREL with CF_PCREL Philippe Mathieu-Daudé
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