From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Subject: [PATCH v2 04/28] target/i386: Convert do_fldenv to X86Access
Date: Mon, 8 Apr 2024 19:02:38 -1000 [thread overview]
Message-ID: <20240409050302.1523277-5-richard.henderson@linaro.org> (raw)
In-Reply-To: <20240409050302.1523277-1-richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/i386/tcg/fpu_helper.c | 30 ++++++++++++++----------------
1 file changed, 14 insertions(+), 16 deletions(-)
diff --git a/target/i386/tcg/fpu_helper.c b/target/i386/tcg/fpu_helper.c
index ad8b536cb5..28ae8100f6 100644
--- a/target/i386/tcg/fpu_helper.c
+++ b/target/i386/tcg/fpu_helper.c
@@ -2441,20 +2441,15 @@ static void cpu_set_fpus(CPUX86State *env, uint16_t fpus)
#endif
}
-static void do_fldenv(CPUX86State *env, target_ulong ptr, int data32,
- uintptr_t retaddr)
+static void do_fldenv(X86Access *ac, target_ulong ptr, int data32)
{
int i, fpus, fptag;
+ CPUX86State *env = ac->env;
+
+ cpu_set_fpuc(env, access_ldw(ac, ptr));
+ fpus = access_ldw(ac, ptr + (2 << data32));
+ fptag = access_ldw(ac, ptr + (4 << data32));
- if (data32) {
- cpu_set_fpuc(env, cpu_lduw_data_ra(env, ptr, retaddr));
- fpus = cpu_lduw_data_ra(env, ptr + 4, retaddr);
- fptag = cpu_lduw_data_ra(env, ptr + 8, retaddr);
- } else {
- cpu_set_fpuc(env, cpu_lduw_data_ra(env, ptr, retaddr));
- fpus = cpu_lduw_data_ra(env, ptr + 2, retaddr);
- fptag = cpu_lduw_data_ra(env, ptr + 4, retaddr);
- }
cpu_set_fpus(env, fpus);
for (i = 0; i < 8; i++) {
env->fptags[i] = ((fptag & 3) == 3);
@@ -2464,7 +2459,10 @@ static void do_fldenv(CPUX86State *env, target_ulong ptr, int data32,
void helper_fldenv(CPUX86State *env, target_ulong ptr, int data32)
{
- do_fldenv(env, ptr, data32, GETPC());
+ X86Access ac;
+
+ access_prepare(&ac, env, ptr, 14 << data32, MMU_DATA_STORE, GETPC());
+ do_fldenv(&ac, ptr, data32);
}
static void do_fsave(CPUX86State *env, target_ulong ptr, int data32,
@@ -2498,12 +2496,12 @@ static void do_frstor(CPUX86State *env, target_ulong ptr, int data32,
{
X86Access ac;
floatx80 tmp;
- int i;
+ int i, envsize = 14 << data32;
- do_fldenv(env, ptr, data32, retaddr);
- ptr += (target_ulong)14 << data32;
+ access_prepare(&ac, env, ptr, envsize + 80, MMU_DATA_LOAD, retaddr);
- access_prepare(&ac, env, ptr, 80, MMU_DATA_LOAD, retaddr);
+ do_fldenv(&ac, ptr, data32);
+ ptr += envsize;
for (i = 0; i < 8; i++) {
tmp = do_fldt(&ac, ptr);
--
2.34.1
next prev parent reply other threads:[~2024-04-09 5:05 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-09 5:02 [PATCH for-9.1 v2 00/28] linux-user/i386: Properly align signal frame Richard Henderson
2024-04-09 5:02 ` [PATCH v2 01/28] target/i386: Add tcg/access.[ch] Richard Henderson
2024-04-09 7:09 ` Paolo Bonzini
2024-04-09 5:02 ` [PATCH v2 02/28] target/i386: Convert do_fldt, do_fstt to X86Access Richard Henderson
2024-04-09 7:52 ` Paolo Bonzini
2024-04-09 5:02 ` [PATCH v2 03/28] target/i386: Convert helper_{fbld, fbst}_ST0 " Richard Henderson
2024-04-09 5:02 ` Richard Henderson [this message]
2024-04-09 5:02 ` [PATCH v2 05/28] target/i386: Convert do_fstenv " Richard Henderson
2024-04-09 5:02 ` [PATCH v2 06/28] target/i386: Convert do_fsave, do_frstor " Richard Henderson
2024-04-09 5:02 ` [PATCH v2 07/28] target/i386: Convert do_xsave_{fpu, mxcr, sse} " Richard Henderson
2024-04-09 5:02 ` [PATCH v2 08/28] target/i386: Convert do_xrstor_{fpu, " Richard Henderson
2024-04-09 5:02 ` [PATCH v2 09/28] tagret/i386: Convert do_fxsave, do_fxrstor " Richard Henderson
2024-04-09 5:02 ` [PATCH v2 10/28] target/i386: Convert do_xsave_* " Richard Henderson
2024-04-09 5:02 ` [PATCH v2 11/28] target/i386: Convert do_xrstor_* " Richard Henderson
2024-04-09 5:02 ` [PATCH v2 12/28] target/i386: Split out do_xsave_chk Richard Henderson
2024-04-09 5:02 ` [PATCH v2 13/28] target/i386: Add rbfm argument to cpu_x86_{xsave, xrstor} Richard Henderson
2024-04-09 5:02 ` [PATCH v2 14/28] target/i386: Add {hw, sw}_reserved to X86LegacyXSaveArea Richard Henderson
2024-04-09 5:02 ` [PATCH v2 15/28] linux-user/i386: Drop xfeatures_size from sigcontext arithmetic Richard Henderson
2024-04-09 5:02 ` [PATCH v2 16/28] linux-user/i386: Remove xfeatures from target_fpstate_fxsave Richard Henderson
2024-04-09 5:02 ` [PATCH v2 17/28] linux-user/i386: Replace target_fpstate_fxsave with X86LegacyXSaveArea Richard Henderson
2024-04-09 5:02 ` [PATCH v2 18/28] linux-user/i386: Split out struct target_fregs_state Richard Henderson
2024-04-09 5:02 ` [PATCH v2 19/28] linux-user/i386: Fix -mregparm=3 for signal delivery Richard Henderson
2024-04-09 7:31 ` Paolo Bonzini
2024-04-09 5:02 ` [PATCH v2 20/28] linux-user/i386: Return boolean success from restore_sigcontext Richard Henderson
2024-04-09 5:02 ` [PATCH v2 21/28] linux-user/i386: Return boolean success from xrstor_sigcontext Richard Henderson
2024-04-09 5:02 ` [PATCH v2 22/28] linux-user/i386: Fix allocation and alignment of fp state Richard Henderson
2024-04-09 5:02 ` [PATCH v2 23/28] target/i386: Honor xfeatures in xrstor_sigcontext Richard Henderson
2024-04-09 7:44 ` Paolo Bonzini
2024-04-09 18:09 ` Richard Henderson
2024-04-10 0:27 ` Richard Henderson
2024-04-09 5:02 ` [PATCH v2 24/28] target/i386: Convert do_xsave to X86Access Richard Henderson
2024-04-09 5:02 ` [PATCH v2 25/28] target/i386: Convert do_xrstor " Richard Henderson
2024-04-09 5:03 ` [PATCH v2 26/28] target/i386: Pass host pointer and size to cpu_x86_{fsave, frstor} Richard Henderson
2024-04-09 5:03 ` [PATCH v2 27/28] target/i386: Pass host pointer and size to cpu_x86_{fxsave, fxrstor} Richard Henderson
2024-04-09 5:03 ` [PATCH v2 28/28] target/i386: Pass host pointer and size to cpu_x86_{xsave, xrstor} Richard Henderson
2024-04-09 7:52 ` [PATCH for-9.1 v2 00/28] linux-user/i386: Properly align signal frame Paolo Bonzini
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