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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



  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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