Changeset 102117 in vbox

Timestamp:

Nov 15, 2023 9:34:30 PM (14 months ago)

Author:

vboxsync

Message:

ValKit/bs3-cpu-basic-2: 16-bit lea/addressing testcase. bugref:10371

Location:

trunk/src/VBox/ValidationKit/bootsectors

Files:

• bs3-cpu-basic-2-template.c (modified) (1 diff)
• bs3-cpu-basic-2-template.mac (modified) (1 diff)
• bs3-cpu-basic-2.c (modified) (2 diffs)

trunk/src/VBox/ValidationKit/bootsectors/bs3-cpu-basic-2-template.c

@@ -1470 +1470 @@
 
 # endif /* ARCH_BITS != 64 */
+
+
+extern BS3_DECL_FAR(void) BS3_CMN_FAR_NM(bs3CpuBasic2_lea_16)(void);
+
+BS3_DECL_FAR(uint8_t) BS3_CMN_NM(bs3CpuBasic2_Lea)(uint8_t bMode)
+{
+# if ARCH_BITS != 64
+    /* Repeat the test so the native recompiler get a chance to kick in...  */
+    unsigned i;
+    for (i = 0; i < 64; i++)
+        BS3_CMN_FAR_NM(bs3CpuBasic2_lea_16)();
+# endif
+
+    RT_NOREF(bMode);
+    return UINT8_MAX;
+}
+
+
 #endif /* BS3_INSTANTIATING_CMN */
 

trunk/src/VBox/ValidationKit/bootsectors/bs3-cpu-basic-2-template.mac

@@ -1874 +1874 @@
 
 
+
+;*********************************************************************************************************************************
+;*  LEA                                                                                                                          *
+;*********************************************************************************************************************************
+
+
+;;
+; Loads known values into all registers but xSP.
+BS3_PROC_BEGIN_CMN bs3CpuBasic2_lea_load_regs, BS3_PBC_NEAR
+ %if TMPL_BITS == 64
+        mov     rax, 01111111111111110h
+        mov     rcx, 02222222222222202h
+        mov     rdx, 03333333333333033h
+        mov     rbx, 04444444444440444h
+        mov     rbp, 05555555555555551h
+        mov     rsi, 06666666666666616h
+        mov     rdi, 07777777777777177h
+        mov     r8,  08888888888881888h
+        mov     r9,  09999999999999992h
+        mov     r10, 0aaaaaaaaaaaaaa2ah
+        mov     r11, 0bbbbbbbbbbbbb2bbh
+        mov     r12, 0cccccccccccc2ccch
+        mov     r13, 0ddddddddddddddd3h
+        mov     r14, 0eeeeeeeeeeeeee3eh
+        mov     r15, 0fffffffffffff3ffh
+ %else
+        mov     eax, 011111110h
+        mov     ecx, 022222202h
+        mov     edx, 033333033h
+        mov     ebx, 044440444h
+        mov     ebp, 055555551h
+        mov     esi, 066666616h
+        mov     edi, 077777177h
+ %endif
+        BS3_HYBRID_RET
+BS3_PROC_END_CMN   bs3CpuBasic2_lea_load_regs
+
+
+ %if TMPL_BITS != 64
+;;
+; Tests 16-bit addressing using the LEA instruction.
+;
+BS3_PROC_BEGIN_CMN bs3CpuBasic2_lea_16, BS3_PBC_FAR
+        pushad
+  %ifndef BS3CPUBASIC2_LEA_16_MACROS
+   %define BS3CPUBASIC2_LEA_16_MACROS
+   %macro test_lea_16_one 3
+        call    BS3_CMN_NM(bs3CpuBasic2_lea_load_regs)
+        lea     strict %1, %2
+        cmp     %1, %3 & 0ffffh
+        jz      %%okay
+        int3
+%%okay:
+   %endm
+   %macro test_lea_16_inner 2
+        test_lea_16_one ax, %1, %2
+        test_lea_16_one cx, %1, %2
+        test_lea_16_one dx, %1, %2
+        test_lea_16_one bx, %1, %2
+        test_lea_16_one bp, %1, %2
+        test_lea_16_one si, %1, %2
+        test_lea_16_one di, %1, %2
+
+        test_lea_16_one eax, %1, %2
+        test_lea_16_one ecx, %1, %2
+        test_lea_16_one edx, %1, %2
+        test_lea_16_one ebx, %1, %2
+        test_lea_16_one ebp, %1, %2
+        test_lea_16_one esi, %1, %2
+        test_lea_16_one edi, %1, %2
+   %endm
+   %macro test_lea_16_outer 3
+    %if %1 == 0
+        test_lea_16_inner [%2], %3
+    %else
+        test_lea_16_inner [word %3], %3 ; mod0/6 = disp16
+    %endif
+        test_lea_16_inner [%2 +  07fh], %3 + 7fh
+        test_lea_16_inner [%2 -    19], %3 - 19
+        test_lea_16_inner [%2 + 5708h], %3 + 5708h
+        test_lea_16_inner [%2 - 7293h], %3 - 7293h
+   %endm
+  %endif
+
+        test_lea_16_outer 0, bx + si, 00444h+06616h
+        test_lea_16_outer 0, bx + di, 00444h+07177h
+        test_lea_16_outer 0, bp + si, 05551h+06616h
+        test_lea_16_outer 0, bp + di, 05551h+07177h
+        test_lea_16_outer 0, si, 06616h
+        test_lea_16_outer 0, di, 07177h
+        test_lea_16_outer 1, bp, 05551h
+        test_lea_16_outer 0, bx, 00444h
+
+        popad
+        BS3_HYBRID_RET
+BS3_PROC_END_CMN   bs3CpuBasic2_lea_16
+ %endif ; TMPL_BITS != 64
+
 %endif ; BS3_INSTANTIATING_CMN
 

trunk/src/VBox/ValidationKit/bootsectors/bs3-cpu-basic-2.c

@@ -46 +46 @@
 *   Internal Functions                                                                                                           *
 *********************************************************************************************************************************/
+BS3TESTMODE_PROTOTYPES_CMN(bs3CpuBasic2_Lea);
 BS3TESTMODE_PROTOTYPES_MODE(bs3CpuBasic2_TssGateEsp);
 BS3TESTMODE_PROTOTYPES_MODE(bs3CpuBasic2_RaiseXcpt1);
@@ -69 +70 @@
 static const BS3TESTMODEENTRY g_aModeTest[] =
 {
+    BS3TESTMODEENTRY_CMN("lea", bs3CpuBasic2_Lea),
     BS3TESTMODEENTRY_MODE("tss / gate / esp", bs3CpuBasic2_TssGateEsp),
 #if 0 /** @todo The 'raise xcpt \#1' test doesn't work in IEM! */