Changeset 102780 in vbox for trunk/src

Timestamp:

Jan 7, 2024 2:05:10 AM (13 months ago)

Author:

vboxsync

Message:

ValKit/bs3-cpu-weird-1: Made the PUSH/POP test pass on AMD host (3990X). bugref:10371

File:

• trunk/src/VBox/ValidationKit/bootsectors/bs3-cpu-weird-1-x0.c (modified) (1 diff)

trunk/src/VBox/ValidationKit/bootsectors/bs3-cpu-weird-1-x0.c

@@ -1429 +1429 @@
     uint16_t const          uInitialSel  = bTestMode != BS3_MODE_RM ? BS3_SEL_R3_DS16 : 0x8080;
     uint16_t const          uPopSel      = BS3_SEL_R3_SS16;
-    bool const              fFullWrite   = BS3_MODE_IS_64BIT_CODE(bTestMode);   /* 64-bit mode writes are full (10980XE). */
-    bool const              fFullRead    = false; /* But, 64-bit mode reads are word sized (10980XE). */
-    bool const              fInRmWrHiEfl = true; /* 10890XE writes EFLAGS[31:16] in the high word of a 'o32 PUSH FS'. */
+    bool const              fFullWrite   = BS3_MODE_IS_64BIT_CODE(bTestMode) /* 64-bit mode writes are full (10980XE). */
+                                        || (g_enmCpuVendor = Bs3GetCpuVendor()) == BS3CPUVENDOR_AMD
+                                        || g_enmCpuVendor == BS3CPUVENDOR_HYGON;
+    bool const              fFullRead    = false /* But, 64-bit mode reads are word sized (10980XE). */
+                                        || (g_enmCpuVendor = Bs3GetCpuVendor()) == BS3CPUVENDOR_AMD
+                                        || g_enmCpuVendor == BS3CPUVENDOR_HYGON;
+    bool const              fInRmWrHiEfl = true /* 10890XE writes EFLAGS[31:16] in the high word of a 'o32 PUSH FS'. */
+                                        && !fFullWrite;
     uint8_t const           cTestBits    = BS3_MODE_IS_16BIT_CODE(bTestMode) ? 16
                                          : BS3_MODE_IS_32BIT_CODE(bTestMode) ? 32 : 64;