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From: Lara Lazier <laramglazier@gmail.com>
To: qemu-devel@nongnu.org
Cc: "Volker Rümelin" <vr_qemu@t-online.de>,
	"Lara Lazier" <laramglazier@gmail.com>
Subject: [PATCH] target/i386: Fixed size of constant for Windows
Date: Thu, 12 Aug 2021 13:10:56 +0200	[thread overview]
Message-ID: <20210812111056.26926-1-laramglazier@gmail.com> (raw)

~0UL has 64 bits on Linux and 32 bits on Windows.
Fixes: https://gitlab.com/qemu-project/qemu/-/issues/512".

Reported-by: Volker Rümelin <vr_qemu@t-online.de>
Signed-off-by: Lara Lazier <laramglazier@gmail.com>
---
 target/i386/tcg/sysemu/misc_helper.c | 2 +-
 target/i386/tcg/sysemu/svm_helper.c  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/target/i386/tcg/sysemu/misc_helper.c b/target/i386/tcg/sysemu/misc_helper.c
index 0a7a58ca9a..91b0fc916b 100644
--- a/target/i386/tcg/sysemu/misc_helper.c
+++ b/target/i386/tcg/sysemu/misc_helper.c
@@ -97,7 +97,7 @@ void helper_write_crN(CPUX86State *env, int reg, target_ulong t0)
         break;
     case 3:
         if ((env->efer & MSR_EFER_LMA) &&
-                (t0 & ((~0UL) << env_archcpu(env)->phys_bits))) {
+                (t0 & ((~0ULL) << env_archcpu(env)->phys_bits))) {
             cpu_vmexit(env, SVM_EXIT_ERR, 0, GETPC());
         }
         if (!(env->efer & MSR_EFER_LMA)) {
diff --git a/target/i386/tcg/sysemu/svm_helper.c b/target/i386/tcg/sysemu/svm_helper.c
index 3891f4e4a8..42cd5053e5 100644
--- a/target/i386/tcg/sysemu/svm_helper.c
+++ b/target/i386/tcg/sysemu/svm_helper.c
@@ -290,7 +290,7 @@ void helper_vmrun(CPUX86State *env, int aflag, int next_eip_addend)
     }
     new_cr3 = x86_ldq_phys(cs, env->vm_vmcb + offsetof(struct vmcb, save.cr3));
     if ((env->efer & MSR_EFER_LMA) &&
-            (new_cr3 & ((~0UL) << cpu->phys_bits))) {
+            (new_cr3 & ((~0ULL) << cpu->phys_bits))) {
         cpu_vmexit(env, SVM_EXIT_ERR, 0, GETPC());
     }
     new_cr4 = x86_ldq_phys(cs, env->vm_vmcb + offsetof(struct vmcb, save.cr4));
-- 
2.25.1



             reply	other threads:[~2021-08-12 11:12 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-12 11:10 Lara Lazier [this message]
2021-08-12 11:37 ` [PATCH-for-6.1?] target/i386: Fixed size of constant for Windows Philippe Mathieu-Daudé
2021-08-12 12:54   ` Peter Maydell
2021-08-12 12:58     ` Philippe Mathieu-Daudé
2021-08-12 17:48 ` [PATCH] " Paolo Bonzini

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