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-rw-r--r--hw/xfree86/int10/x86emu.c12
-rw-r--r--hw/xfree86/x86emu/debug.c8
-rw-r--r--hw/xfree86/x86emu/decode.c72
-rw-r--r--hw/xfree86/x86emu/fpu.c1
-rw-r--r--hw/xfree86/x86emu/ops.c30
-rw-r--r--hw/xfree86/x86emu/ops2.c1
-rw-r--r--hw/xfree86/x86emu/prim_ops.c260
-rw-r--r--hw/xfree86/x86emu/sys.c76
-rw-r--r--hw/xfree86/x86emu/x86emu.h14
-rw-r--r--hw/xfree86/x86emu/x86emu/debug.h1
-rw-r--r--hw/xfree86/x86emu/x86emu/decode.h1
-rw-r--r--hw/xfree86/x86emu/x86emu/fpu_regs.h9
-rw-r--r--hw/xfree86/x86emu/x86emu/prim_asm.h1
-rw-r--r--hw/xfree86/x86emu/x86emu/prim_ops.h90
-rw-r--r--hw/xfree86/x86emu/x86emu/regs.h9
-rw-r--r--hw/xfree86/x86emu/x86emu/types.h3
-rw-r--r--hw/xfree86/x86emu/x86emu/x86emui.h5
17 files changed, 178 insertions, 415 deletions
diff --git a/hw/xfree86/int10/x86emu.c b/hw/xfree86/int10/x86emu.c
new file mode 100644
index 000000000..2d0faa603
--- /dev/null
+++ b/hw/xfree86/int10/x86emu.c
@@ -0,0 +1,12 @@
+
+#ifdef NO_SYS_HEADERS
+# include "xf86_ansic.h"
+#endif
+
+#include "debug.c"
+#include "decode.c"
+#include "fpu.c"
+#include "ops.c"
+#include "ops2.c"
+#include "prim_ops.c"
+#include "sys.c"
diff --git a/hw/xfree86/x86emu/debug.c b/hw/xfree86/x86emu/debug.c
index 481374d53..6fd7f11cf 100644
--- a/hw/xfree86/x86emu/debug.c
+++ b/hw/xfree86/x86emu/debug.c
@@ -36,12 +36,9 @@
* emulator.
*
****************************************************************************/
-/* $XFree86: xc/extras/x86emu/src/x86emu/debug.c,v 1.2 2000/04/05 18:13:14 dawes Exp $ */
#include "x86emu/x86emui.h"
-#ifdef IN_MODULE
-#include "xf86_ansic.h"
-#else
+#ifndef NO_SYS_HEADERS
#include <stdarg.h>
#include <stdlib.h>
#endif
@@ -307,7 +304,8 @@ void x86emu_single_step (void)
}
break;
case 'q':
- exit(1);
+ M.x86.debug |= DEBUG_EXIT;
+ return;
case 'P':
noDecode = (noDecode)?0:1;
printk("Toggled decoding to %s\n",(noDecode)?"FALSE":"TRUE");
diff --git a/hw/xfree86/x86emu/decode.c b/hw/xfree86/x86emu/decode.c
index 45a1a4b4c..25415d9fa 100644
--- a/hw/xfree86/x86emu/decode.c
+++ b/hw/xfree86/x86emu/decode.c
@@ -37,8 +37,6 @@
*
****************************************************************************/
-/* $XdotOrg: xc/extras/x86emu/src/x86emu/decode.c,v 1.12 2003/12/05 19:23:23 dawes Exp $ */
-/* $XFree86: xc/extras/x86emu/src/x86emu/decode.c,v 1.11 2002/07/23 20:20:43 tsi Exp $ */
#include "x86emu/x86emui.h"
@@ -105,8 +103,14 @@ DB( if (CHECK_IP_FETCH())
INC_DECODED_INST_LEN(1);
if (M.x86.intr) {
if (M.x86.intr & INTR_HALTED) {
-DB( printk("halted\n");
- X86EMU_trace_regs();)
+DB( if (M.x86.R_SP != 0) {
+ printk("halted\n");
+ X86EMU_trace_regs();
+ }
+ else {
+ if (M.x86.debug)
+ printk("Service completed successfully\n");
+ })
return;
}
if (((M.x86.intr & INTR_SYNCH) && (M.x86.intno == 0 || M.x86.intno == 2)) ||
@@ -116,6 +120,10 @@ DB( printk("halted\n");
}
op1 = (*sys_rdb)(((u32)M.x86.R_CS << 4) + (M.x86.R_IP++));
(*x86emu_optab[op1])(op1);
+ if (M.x86.debug & DEBUG_EXIT) {
+ M.x86.debug &= ~DEBUG_EXIT;
+ return;
+ }
}
}
@@ -834,6 +842,7 @@ u32 decode_rm00_address(
int sib;
if (M.x86.mode & SYSMODE_PREFIX_ADDR) {
+ /* 32-bit addressing */
switch (rm) {
case 0:
DECODE_PRINTF("[EAX]");
@@ -863,21 +872,22 @@ u32 decode_rm00_address(
}
HALT_SYS();
} else {
+ /* 16-bit addressing */
switch (rm) {
case 0:
DECODE_PRINTF("[BX+SI]");
- return M.x86.R_BX + M.x86.R_SI;
+ return (M.x86.R_BX + M.x86.R_SI) & 0xffff;
case 1:
DECODE_PRINTF("[BX+DI]");
- return M.x86.R_BX + M.x86.R_DI;
+ return (M.x86.R_BX + M.x86.R_DI) & 0xffff;
case 2:
DECODE_PRINTF("[BP+SI]");
M.x86.mode |= SYSMODE_SEG_DS_SS;
- return M.x86.R_BP + M.x86.R_SI;
+ return (M.x86.R_BP + M.x86.R_SI) & 0xffff;
case 3:
DECODE_PRINTF("[BP+DI]");
M.x86.mode |= SYSMODE_SEG_DS_SS;
- return M.x86.R_BP + M.x86.R_DI;
+ return (M.x86.R_BP + M.x86.R_DI) & 0xffff;
case 4:
DECODE_PRINTF("[SI]");
return M.x86.R_SI;
@@ -919,6 +929,7 @@ u32 decode_rm01_address(
displacement = (s8)fetch_byte_imm();
if (M.x86.mode & SYSMODE_PREFIX_ADDR) {
+ /* 32-bit addressing */
switch (rm) {
case 0:
DECODE_PRINTF2("%d[EAX]", displacement);
@@ -949,34 +960,35 @@ u32 decode_rm01_address(
}
HALT_SYS();
} else {
+ /* 16-bit addressing */
switch (rm) {
case 0:
DECODE_PRINTF2("%d[BX+SI]", displacement);
- return M.x86.R_BX + M.x86.R_SI + displacement;
+ return (M.x86.R_BX + M.x86.R_SI + displacement) & 0xffff;
case 1:
DECODE_PRINTF2("%d[BX+DI]", displacement);
- return M.x86.R_BX + M.x86.R_DI + displacement;
+ return (M.x86.R_BX + M.x86.R_DI + displacement) & 0xffff;
case 2:
DECODE_PRINTF2("%d[BP+SI]", displacement);
M.x86.mode |= SYSMODE_SEG_DS_SS;
- return M.x86.R_BP + M.x86.R_SI + displacement;
+ return (M.x86.R_BP + M.x86.R_SI + displacement) & 0xffff;
case 3:
DECODE_PRINTF2("%d[BP+DI]", displacement);
M.x86.mode |= SYSMODE_SEG_DS_SS;
- return M.x86.R_BP + M.x86.R_DI + displacement;
+ return (M.x86.R_BP + M.x86.R_DI + displacement) & 0xffff;
case 4:
DECODE_PRINTF2("%d[SI]", displacement);
- return M.x86.R_SI + displacement;
+ return (M.x86.R_SI + displacement) & 0xffff;
case 5:
DECODE_PRINTF2("%d[DI]", displacement);
- return M.x86.R_DI + displacement;
+ return (M.x86.R_DI + displacement) & 0xffff;
case 6:
DECODE_PRINTF2("%d[BP]", displacement);
M.x86.mode |= SYSMODE_SEG_DS_SS;
- return M.x86.R_BP + displacement;
+ return (M.x86.R_BP + displacement) & 0xffff;
case 7:
DECODE_PRINTF2("%d[BX]", displacement);
- return M.x86.R_BX + displacement;
+ return (M.x86.R_BX + displacement) & 0xffff;
}
HALT_SYS();
}
@@ -1010,6 +1022,7 @@ u32 decode_rm10_address(
}
if (M.x86.mode & SYSMODE_PREFIX_ADDR) {
+ /* 32-bit addressing */
switch (rm) {
case 0:
DECODE_PRINTF2("%08x[EAX]", displacement);
@@ -1042,34 +1055,35 @@ u32 decode_rm10_address(
}
HALT_SYS();
} else {
+ /* 16-bit addressing */
switch (rm) {
case 0:
- DECODE_PRINTF2("%04x[BX+SI]", displacement);
- return M.x86.R_BX + M.x86.R_SI + displacement;
+ DECODE_PRINTF2("%04x[BX+SI]", displacement);
+ return (M.x86.R_BX + M.x86.R_SI + displacement) & 0xffff;
case 1:
- DECODE_PRINTF2("%04x[BX+DI]", displacement);
- return M.x86.R_BX + M.x86.R_DI + displacement;
+ DECODE_PRINTF2("%04x[BX+DI]", displacement);
+ return (M.x86.R_BX + M.x86.R_DI + displacement) & 0xffff;
case 2:
DECODE_PRINTF2("%04x[BP+SI]", displacement);
M.x86.mode |= SYSMODE_SEG_DS_SS;
- return M.x86.R_BP + M.x86.R_SI + displacement;
+ return (M.x86.R_BP + M.x86.R_SI + displacement) & 0xffff;
case 3:
DECODE_PRINTF2("%04x[BP+DI]", displacement);
M.x86.mode |= SYSMODE_SEG_DS_SS;
- return M.x86.R_BP + M.x86.R_DI + displacement;
+ return (M.x86.R_BP + M.x86.R_DI + displacement) & 0xffff;
case 4:
- DECODE_PRINTF2("%04x[SI]", displacement);
- return M.x86.R_SI + displacement;
+ DECODE_PRINTF2("%04x[SI]", displacement);
+ return (M.x86.R_SI + displacement) & 0xffff;
case 5:
- DECODE_PRINTF2("%04x[DI]", displacement);
- return M.x86.R_DI + displacement;
+ DECODE_PRINTF2("%04x[DI]", displacement);
+ return (M.x86.R_DI + displacement) & 0xffff;
case 6:
DECODE_PRINTF2("%04x[BP]", displacement);
M.x86.mode |= SYSMODE_SEG_DS_SS;
- return M.x86.R_BP + displacement;
+ return (M.x86.R_BP + displacement) & 0xffff;
case 7:
- DECODE_PRINTF2("%04x[BX]", displacement);
- return M.x86.R_BX + displacement;
+ DECODE_PRINTF2("%04x[BX]", displacement);
+ return (M.x86.R_BX + displacement) & 0xffff;
}
HALT_SYS();
}
diff --git a/hw/xfree86/x86emu/fpu.c b/hw/xfree86/x86emu/fpu.c
index 4b801dc94..b72de1ee5 100644
--- a/hw/xfree86/x86emu/fpu.c
+++ b/hw/xfree86/x86emu/fpu.c
@@ -36,7 +36,6 @@
* emulation of the FPU instructions.
*
****************************************************************************/
-/* $XFree86$ */
#include "x86emu/x86emui.h"
diff --git a/hw/xfree86/x86emu/ops.c b/hw/xfree86/x86emu/ops.c
index 88ee7e108..37ae2c9c9 100644
--- a/hw/xfree86/x86emu/ops.c
+++ b/hw/xfree86/x86emu/ops.c
@@ -70,8 +70,6 @@
*
****************************************************************************/
-/* $XFree86: xc/extras/x86emu/src/x86emu/ops.c,v 1.8tsi Exp $ */
-
#include "x86emu/x86emui.h"
/*----------------------------- Implementation ----------------------------*/
@@ -87,11 +85,22 @@ static void x86emuOp_illegal_op(
u8 op1)
{
START_OF_INSTR();
+ if (M.x86.R_SP != 0) {
DECODE_PRINTF("ILLEGAL X86 OPCODE\n");
TRACE_REGS();
- printk("%04x:%04x: %02X ILLEGAL X86 OPCODE!\n",
- M.x86.R_CS, M.x86.R_IP-1,op1);
+ DB( printk("%04x:%04x: %02X ILLEGAL X86 OPCODE!\n",
+ M.x86.R_CS, M.x86.R_IP-1,op1));
HALT_SYS();
+ }
+ else {
+ /* If we get here, it means the stack pointer is back to zero
+ * so we are just returning from an emulator service call
+ * so therte is no need to display an error message. We trap
+ * the emulator with an 0xF1 opcode to finish the service
+ * call.
+ */
+ X86EMU_halt_sys();
+ }
END_OF_INSTR();
}
@@ -9404,6 +9413,8 @@ static void x86emuOp_aam(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("AAM\n");
a = fetch_byte_imm(); /* this is a stupid encoding. */
if (a != 10) {
+ /* fix: add base decoding
+ aam_word(u8 val, int base a) */
DECODE_PRINTF("ERROR DECODING AAM\n");
TRACE_REGS();
HALT_SYS();
@@ -9421,9 +9432,18 @@ Handles opcode 0xd5
****************************************************************************/
static void x86emuOp_aad(u8 X86EMU_UNUSED(op1))
{
+ u8 a;
+
START_OF_INSTR();
DECODE_PRINTF("AAD\n");
- (void) fetch_byte_imm();
+ a = fetch_byte_imm();
+ if (a != 10) {
+ /* fix: add base decoding
+ aad_word(u16 val, int base a) */
+ DECODE_PRINTF("ERROR DECODING AAM\n");
+ TRACE_REGS();
+ HALT_SYS();
+ }
TRACE_AND_STEP();
M.x86.R_AX = aad_word(M.x86.R_AX);
DECODE_CLEAR_SEGOVR();
diff --git a/hw/xfree86/x86emu/ops2.c b/hw/xfree86/x86emu/ops2.c
index 7cb585bc8..d9e5de9c5 100644
--- a/hw/xfree86/x86emu/ops2.c
+++ b/hw/xfree86/x86emu/ops2.c
@@ -37,7 +37,6 @@
* instructions.
*
****************************************************************************/
-/* $XFree86: xc/extras/x86emu/src/x86emu/ops2.c,v 1.6tsi Exp $ */
#include "x86emu/x86emui.h"
diff --git a/hw/xfree86/x86emu/prim_ops.c b/hw/xfree86/x86emu/prim_ops.c
index ba4ffdeda..56ab8cc9a 100644
--- a/hw/xfree86/x86emu/prim_ops.c
+++ b/hw/xfree86/x86emu/prim_ops.c
@@ -102,8 +102,6 @@
/*------------------------- Global Variables ------------------------------*/
-#ifndef __HAVE_INLINE_ASSEMBLER__
-
static u32 x86emu_parity_tab[8] =
{
0x96696996,
@@ -116,15 +114,11 @@ static u32 x86emu_parity_tab[8] =
0x69969669,
};
-#endif
-
#define PARITY(x) (((x86emu_parity_tab[(x) / 32] >> ((x) % 32)) & 1) == 0)
#define XOR2(x) (((x) ^ ((x)>>1)) & 0x1)
/*----------------------------- Implementation ----------------------------*/
-#ifndef __HAVE_INLINE_ASSEMBLER__
-
/****************************************************************************
REMARKS:
Implements the AAA instruction and side effects.
@@ -2454,8 +2448,6 @@ void div_long(u32 s)
M.x86.R_EDX = (u32)mod;
}
-#endif /* __HAVE_INLINE_ASSEMBLER__ */
-
/****************************************************************************
REMARKS:
Implements the IN string instruction and side effects.
@@ -2660,255 +2652,3 @@ DB( if (CHECK_SP_ACCESS())
return res;
}
-#ifdef __HAVE_INLINE_ASSEMBLER__
-
-u16 aaa_word (u16 d)
-{ return aaa_word_asm(&M.x86.R_EFLG,d); }
-
-u16 aas_word (u16 d)
-{ return aas_word_asm(&M.x86.R_EFLG,d); }
-
-u16 aad_word (u16 d)
-{ return aad_word_asm(&M.x86.R_EFLG,d); }
-
-u16 aam_word (u8 d)
-{ return aam_word_asm(&M.x86.R_EFLG,d); }
-
-u8 adc_byte (u8 d, u8 s)
-{ return adc_byte_asm(&M.x86.R_EFLG,d,s); }
-
-u16 adc_word (u16 d, u16 s)
-{ return adc_word_asm(&M.x86.R_EFLG,d,s); }
-
-u32 adc_long (u32 d, u32 s)
-{ return adc_long_asm(&M.x86.R_EFLG,d,s); }
-
-u8 add_byte (u8 d, u8 s)
-{ return add_byte_asm(&M.x86.R_EFLG,d,s); }
-
-u16 add_word (u16 d, u16 s)
-{ return add_word_asm(&M.x86.R_EFLG,d,s); }
-
-u32 add_long (u32 d, u32 s)
-{ return add_long_asm(&M.x86.R_EFLG,d,s); }
-
-u8 and_byte (u8 d, u8 s)
-{ return and_byte_asm(&M.x86.R_EFLG,d,s); }
-
-u16 and_word (u16 d, u16 s)
-{ return and_word_asm(&M.x86.R_EFLG,d,s); }
-
-u32 and_long (u32 d, u32 s)
-{ return and_long_asm(&M.x86.R_EFLG,d,s); }
-
-u8 cmp_byte (u8 d, u8 s)
-{ return cmp_byte_asm(&M.x86.R_EFLG,d,s); }
-
-u16 cmp_word (u16 d, u16 s)
-{ return cmp_word_asm(&M.x86.R_EFLG,d,s); }
-
-u32 cmp_long (u32 d, u32 s)
-{ return cmp_long_asm(&M.x86.R_EFLG,d,s); }
-
-u8 daa_byte (u8 d)
-{ return daa_byte_asm(&M.x86.R_EFLG,d); }
-
-u8 das_byte (u8 d)
-{ return das_byte_asm(&M.x86.R_EFLG,d); }
-
-u8 dec_byte (u8 d)
-{ return dec_byte_asm(&M.x86.R_EFLG,d); }
-
-u16 dec_word (u16 d)
-{ return dec_word_asm(&M.x86.R_EFLG,d); }
-
-u32 dec_long (u32 d)
-{ return dec_long_asm(&M.x86.R_EFLG,d); }
-
-u8 inc_byte (u8 d)
-{ return inc_byte_asm(&M.x86.R_EFLG,d); }
-
-u16 inc_word (u16 d)
-{ return inc_word_asm(&M.x86.R_EFLG,d); }
-
-u32 inc_long (u32 d)
-{ return inc_long_asm(&M.x86.R_EFLG,d); }
-
-u8 or_byte (u8 d, u8 s)
-{ return or_byte_asm(&M.x86.R_EFLG,d,s); }
-
-u16 or_word (u16 d, u16 s)
-{ return or_word_asm(&M.x86.R_EFLG,d,s); }
-
-u32 or_long (u32 d, u32 s)
-{ return or_long_asm(&M.x86.R_EFLG,d,s); }
-
-u8 neg_byte (u8 s)
-{ return neg_byte_asm(&M.x86.R_EFLG,s); }
-
-u16 neg_word (u16 s)
-{ return neg_word_asm(&M.x86.R_EFLG,s); }
-
-u32 neg_long (u32 s)
-{ return neg_long_asm(&M.x86.R_EFLG,s); }
-
-u8 not_byte (u8 s)
-{ return not_byte_asm(&M.x86.R_EFLG,s); }
-
-u16 not_word (u16 s)
-{ return not_word_asm(&M.x86.R_EFLG,s); }
-
-u32 not_long (u32 s)
-{ return not_long_asm(&M.x86.R_EFLG,s); }
-
-u8 rcl_byte (u8 d, u8 s)
-{ return rcl_byte_asm(&M.x86.R_EFLG,d,s); }
-
-u16 rcl_word (u16 d, u8 s)
-{ return rcl_word_asm(&M.x86.R_EFLG,d,s); }
-
-u32 rcl_long (u32 d, u8 s)
-{ return rcl_long_asm(&M.x86.R_EFLG,d,s); }
-
-u8 rcr_byte (u8 d, u8 s)
-{ return rcr_byte_asm(&M.x86.R_EFLG,d,s); }
-
-u16 rcr_word (u16 d, u8 s)
-{ return rcr_word_asm(&M.x86.R_EFLG,d,s); }
-
-u32 rcr_long (u32 d, u8 s)
-{ return rcr_long_asm(&M.x86.R_EFLG,d,s); }
-
-u8 rol_byte (u8 d, u8 s)
-{ return rol_byte_asm(&M.x86.R_EFLG,d,s); }
-
-u16 rol_word (u16 d, u8 s)
-{ return rol_word_asm(&M.x86.R_EFLG,d,s); }
-
-u32 rol_long (u32 d, u8 s)
-{ return rol_long_asm(&M.x86.R_EFLG,d,s); }
-
-u8 ror_byte (u8 d, u8 s)
-{ return ror_byte_asm(&M.x86.R_EFLG,d,s); }
-
-u16 ror_word (u16 d, u8 s)
-{ return ror_word_asm(&M.x86.R_EFLG,d,s); }
-
-u32 ror_long (u32 d, u8 s)
-{ return ror_long_asm(&M.x86.R_EFLG,d,s); }
-
-u8 shl_byte (u8 d, u8 s)
-{ return shl_byte_asm(&M.x86.R_EFLG,d,s); }
-
-u16 shl_word (u16 d, u8 s)
-{ return shl_word_asm(&M.x86.R_EFLG,d,s); }
-
-u32 shl_long (u32 d, u8 s)
-{ return shl_long_asm(&M.x86.R_EFLG,d,s); }
-
-u8 shr_byte (u8 d, u8 s)
-{ return shr_byte_asm(&M.x86.R_EFLG,d,s); }
-
-u16 shr_word (u16 d, u8 s)
-{ return shr_word_asm(&M.x86.R_EFLG,d,s); }
-
-u32 shr_long (u32 d, u8 s)
-{ return shr_long_asm(&M.x86.R_EFLG,d,s); }
-
-u8 sar_byte (u8 d, u8 s)
-{ return sar_byte_asm(&M.x86.R_EFLG,d,s); }
-
-u16 sar_word (u16 d, u8 s)
-{ return sar_word_asm(&M.x86.R_EFLG,d,s); }
-
-u32 sar_long (u32 d, u8 s)
-{ return sar_long_asm(&M.x86.R_EFLG,d,s); }
-
-u16 shld_word (u16 d, u16 fill, u8 s)
-{ return shld_word_asm(&M.x86.R_EFLG,d,fill,s); }
-
-u32 shld_long (u32 d, u32 fill, u8 s)
-{ return shld_long_asm(&M.x86.R_EFLG,d,fill,s); }
-
-u16 shrd_word (u16 d, u16 fill, u8 s)
-{ return shrd_word_asm(&M.x86.R_EFLG,d,fill,s); }
-
-u32 shrd_long (u32 d, u32 fill, u8 s)
-{ return shrd_long_asm(&M.x86.R_EFLG,d,fill,s); }
-
-u8 sbb_byte (u8 d, u8 s)
-{ return sbb_byte_asm(&M.x86.R_EFLG,d,s); }
-
-u16 sbb_word (u16 d, u16 s)
-{ return sbb_word_asm(&M.x86.R_EFLG,d,s); }
-
-u32 sbb_long (u32 d, u32 s)
-{ return sbb_long_asm(&M.x86.R_EFLG,d,s); }
-
-u8 sub_byte (u8 d, u8 s)
-{ return sub_byte_asm(&M.x86.R_EFLG,d,s); }
-
-u16 sub_word (u16 d, u16 s)
-{ return sub_word_asm(&M.x86.R_EFLG,d,s); }
-
-u32 sub_long (u32 d, u32 s)
-{ return sub_long_asm(&M.x86.R_EFLG,d,s); }
-
-void test_byte (u8 d, u8 s)
-{ test_byte_asm(&M.x86.R_EFLG,d,s); }
-
-void test_word (u16 d, u16 s)
-{ test_word_asm(&M.x86.R_EFLG,d,s); }
-
-void test_long (u32 d, u32 s)
-{ test_long_asm(&M.x86.R_EFLG,d,s); }
-
-u8 xor_byte (u8 d, u8 s)
-{ return xor_byte_asm(&M.x86.R_EFLG,d,s); }
-
-u16 xor_word (u16 d, u16 s)
-{ return xor_word_asm(&M.x86.R_EFLG,d,s); }
-
-u32 xor_long (u32 d, u32 s)
-{ return xor_long_asm(&M.x86.R_EFLG,d,s); }
-
-void imul_byte (u8 s)
-{ imul_byte_asm(&M.x86.R_EFLG,&M.x86.R_AX,M.x86.R_AL,s); }
-
-void imul_word (u16 s)
-{ imul_word_asm(&M.x86.R_EFLG,&M.x86.R_AX,&M.x86.R_DX,M.x86.R_AX,s); }
-
-void imul_long (u32 s)
-{ imul_long_asm(&M.x86.R_EFLG,&M.x86.R_EAX,&M.x86.R_EDX,M.x86.R_EAX,s); }
-
-void imul_long_direct(u32 *res_lo, u32* res_hi,u32 d, u32 s)
-{ imul_long_asm(&M.x86.R_EFLG,res_lo,res_hi,d,s); }
-
-void mul_byte (u8 s)
-{ mul_byte_asm(&M.x86.R_EFLG,&M.x86.R_AX,M.x86.R_AL,s); }
-
-void mul_word (u16 s)
-{ mul_word_asm(&M.x86.R_EFLG,&M.x86.R_AX,&M.x86.R_DX,M.x86.R_AX,s); }
-
-void mul_long (u32 s)
-{ mul_long_asm(&M.x86.R_EFLG,&M.x86.R_EAX,&M.x86.R_EDX,M.x86.R_EAX,s); }
-
-void idiv_byte (u8 s)
-{ idiv_byte_asm(&M.x86.R_EFLG,&M.x86.R_AL,&M.x86.R_AH,M.x86.R_AX,s); }
-
-void idiv_word (u16 s)
-{ idiv_word_asm(&M.x86.R_EFLG,&M.x86.R_AX,&M.x86.R_DX,M.x86.R_AX,M.x86.R_DX,s); }
-
-void idiv_long (u32 s)
-{ idiv_long_asm(&M.x86.R_EFLG,&M.x86.R_EAX,&M.x86.R_EDX,M.x86.R_EAX,M.x86.R_EDX,s); }
-
-void div_byte (u8 s)
-{ div_byte_asm(&M.x86.R_EFLG,&M.x86.R_AL,&M.x86.R_AH,M.x86.R_AX,s); }
-
-void div_word (u16 s)
-{ div_word_asm(&M.x86.R_EFLG,&M.x86.R_AX,&M.x86.R_DX,M.x86.R_AX,M.x86.R_DX,s); }
-
-void div_long (u32 s)
-{ div_long_asm(&M.x86.R_EFLG,&M.x86.R_EAX,&M.x86.R_EDX,M.x86.R_EAX,M.x86.R_EDX,s); }
-
-#endif
diff --git a/hw/xfree86/x86emu/sys.c b/hw/xfree86/x86emu/sys.c
index 39941360d..4d90ea315 100644
--- a/hw/xfree86/x86emu/sys.c
+++ b/hw/xfree86/x86emu/sys.c
@@ -39,16 +39,13 @@
* user library.
*
****************************************************************************/
-/* $XFree86: xc/extras/x86emu/src/x86emu/sys.c,v 1.6 2002/09/16 18:05:18 eich Exp $ */
#include "x86emu.h"
#include "x86emu/x86emui.h"
#include "x86emu/regs.h"
#include "x86emu/debug.h"
#include "x86emu/prim_ops.h"
-#ifdef IN_MODULE
-#include "xf86_ansic.h"
-#else
+#ifndef NO_SYS_HEADERS
#include <string.h>
#endif
/*------------------------- Global Variables ------------------------------*/
@@ -60,6 +57,7 @@ X86EMU_intrFuncs _X86EMU_intrTab[256];
#if defined(__alpha__) || defined(__alpha)
/* to cope with broken egcs-1.1.2 :-(((( */
+#define ALPHA_UALOADS
/*
* inline functions to do unaligned accesses
* from linux/include/asm-alpha/unaligned.h
@@ -211,6 +209,60 @@ static __inline__ void stw_u(unsigned long r5, unsigned short * r11)
:"r" (r5), "r" (r11));
#endif
}
+
+#elif defined(__GNUC__) && ((__GNUC__ < 3)) && \
+ (defined (__ia64__) || defined (ia64__))
+#define IA64_UALOADS
+/*
+ * EGCS 1.1 knows about arbitrary unaligned loads. Define some
+ * packed structures to talk about such things with.
+ */
+struct __una_u64 { unsigned long x __attribute__((packed)); };
+struct __una_u32 { unsigned int x __attribute__((packed)); };
+struct __una_u16 { unsigned short x __attribute__((packed)); };
+
+static __inline__ unsigned long
+__uldq (const unsigned long * r11)
+{
+ const struct __una_u64 *ptr = (const struct __una_u64 *) r11;
+ return ptr->x;
+}
+
+static __inline__ unsigned long
+uldl (const unsigned int * r11)
+{
+ const struct __una_u32 *ptr = (const struct __una_u32 *) r11;
+ return ptr->x;
+}
+
+static __inline__ unsigned long
+uldw (const unsigned short * r11)
+{
+ const struct __una_u16 *ptr = (const struct __una_u16 *) r11;
+ return ptr->x;
+}
+
+static __inline__ void
+ustq (unsigned long r5, unsigned long * r11)
+{
+ struct __una_u64 *ptr = (struct __una_u64 *) r11;
+ ptr->x = r5;
+}
+
+static __inline__ void
+ustl (unsigned long r5, unsigned int * r11)
+{
+ struct __una_u32 *ptr = (struct __una_u32 *) r11;
+ ptr->x = r5;
+}
+
+static __inline__ void
+ustw (unsigned long r5, unsigned short * r11)
+{
+ struct __una_u16 *ptr = (struct __una_u16 *) r11;
+ ptr->x = r5;
+}
+
#endif
/****************************************************************************
@@ -264,8 +316,10 @@ u16 X86API rdw(
}
else
#endif
-#if defined(__alpha__) || defined(__alpha)
+#if defined(ALPHA_UALOADS)
val = ldw_u((u16*)(M.mem_base + addr));
+#elif defined(IA64_UALOADS)
+ val = uldw((u16*)(M.mem_base + addr));
#else
val = *(u16*)(M.mem_base + addr);
#endif
@@ -301,8 +355,10 @@ u32 X86API rdl(
}
else
#endif
-#if defined(__alpha__) || defined(__alpha)
+#if defined(ALPHA_UALOADS)
val = ldl_u((u32*)(M.mem_base + addr));
+#elif defined(IA64_UALOADS)
+ val = uldl((u32*)(M.mem_base + addr));
#else
val = *(u32*)(M.mem_base + addr);
#endif
@@ -357,8 +413,10 @@ DB( if (DEBUG_MEM_TRACE())
}
else
#endif
-#if defined(__alpha__) || defined(__alpha)
+#if defined(ALPHA_UALOADS)
stw_u(val,(u16*)(M.mem_base + addr));
+#elif defined(IA64_UALOADS)
+ ustw(val,(u16*)(M.mem_base + addr));
#else
*(u16*)(M.mem_base + addr) = val;
#endif
@@ -391,8 +449,10 @@ DB( if (DEBUG_MEM_TRACE())
}
else
#endif
-#if defined(__alpha__) || defined(__alpha)
+#if defined(ALPHA_UALOADS)
stl_u(val,(u32*)(M.mem_base + addr));
+#elif defined(IA64_UALOADS)
+ ustl(val,(u32*)(M.mem_base + addr));
#else
*(u32*)(M.mem_base + addr) = val;
#endif
diff --git a/hw/xfree86/x86emu/x86emu.h b/hw/xfree86/x86emu/x86emu.h
index 1df9ac50d..795e2d688 100644
--- a/hw/xfree86/x86emu/x86emu.h
+++ b/hw/xfree86/x86emu/x86emu.h
@@ -37,7 +37,6 @@
* include this header
*
****************************************************************************/
-/* $XFree86$ */
#ifndef __X86EMU_X86EMU_H
#define __X86EMU_X86EMU_H
@@ -56,7 +55,9 @@ typedef int X86EMU_pioAddr;
/*---------------------- Macros and type definitions ----------------------*/
-/* #pragma pack(1) */ /* Don't pack structs with function pointers! */
+#ifdef PACK
+# pragma PACK /* Don't pack structs with function pointers! */
+#endif
/****************************************************************************
REMARKS:
@@ -129,8 +130,10 @@ extern u32 X86API rdl(u32 addr);
extern void X86API wrb(u32 addr, u8 val);
extern void X86API wrw(u32 addr, u16 val);
extern void X86API wrl(u32 addr, u32 val);
-
-/* #pragma pack() */
+
+#ifdef END_PACK
+# pragma END_PACK
+#endif
/*--------------------- type definitions -----------------------------------*/
@@ -169,6 +172,7 @@ void X86EMU_halt_sys(void);
#define DEBUG_DISASSEMBLE_F 0x000008
#define DEBUG_BREAK_F 0x000010
#define DEBUG_SVC_F 0x000020
+#define DEBUG_SAVE_IP_CS_F 0x000040
#define DEBUG_FS_F 0x000080
#define DEBUG_PROC_F 0x000100
#define DEBUG_SYSINT_F 0x000200 /* bios system interrupts. */
@@ -178,7 +182,7 @@ void X86EMU_halt_sys(void);
#define DEBUG_IO_TRACE_F 0x002000
#define DEBUG_TRACECALL_REGS_F 0x004000
#define DEBUG_DECODE_NOPRINT_F 0x008000
-#define DEBUG_SAVE_IP_CS_F 0x010000
+#define DEBUG_EXIT 0x010000
#define DEBUG_SYS_F (DEBUG_SVC_F|DEBUG_FS_F|DEBUG_PROC_F)
void X86EMU_trace_regs(void);
diff --git a/hw/xfree86/x86emu/x86emu/debug.h b/hw/xfree86/x86emu/x86emu/debug.h
index 8abedf616..47aacb6c3 100644
--- a/hw/xfree86/x86emu/x86emu/debug.h
+++ b/hw/xfree86/x86emu/x86emu/debug.h
@@ -35,7 +35,6 @@
* Description: Header file for debug definitions.
*
****************************************************************************/
-/* $XFree86: xc/extras/x86emu/src/x86emu/x86emu/debug.h,v 1.3 2000/04/19 15:48:15 tsi Exp $ */
#ifndef __X86EMU_DEBUG_H
#define __X86EMU_DEBUG_H
diff --git a/hw/xfree86/x86emu/x86emu/decode.h b/hw/xfree86/x86emu/x86emu/decode.h
index bb2bc0bee..61cd4dc10 100644
--- a/hw/xfree86/x86emu/x86emu/decode.h
+++ b/hw/xfree86/x86emu/x86emu/decode.h
@@ -35,7 +35,6 @@
* Description: Header file for instruction decoding logic.
*
****************************************************************************/
-/* $XFree86$ */
#ifndef __X86EMU_DECODE_H
#define __X86EMU_DECODE_H
diff --git a/hw/xfree86/x86emu/x86emu/fpu_regs.h b/hw/xfree86/x86emu/x86emu/fpu_regs.h
index a125075b7..e59b80783 100644
--- a/hw/xfree86/x86emu/x86emu/fpu_regs.h
+++ b/hw/xfree86/x86emu/x86emu/fpu_regs.h
@@ -35,13 +35,16 @@
* Description: Header file for FPU register definitions.
*
****************************************************************************/
-/* $XFree86: xc/extras/x86emu/include/x86emu/fpu_regs.h,v 1.2 2003/10/22 20:03:05 tsi Exp $ */
#ifndef __X86EMU_FPU_REGS_H
#define __X86EMU_FPU_REGS_H
#ifdef X86_FPU_SUPPORT
+#ifdef PACK
+# pragma PACK
+#endif
+
/* Basic 8087 register can hold any of the following values: */
union x86_fpu_reg_u {
@@ -86,6 +89,10 @@ struct x86_fpu_registers {
short x86_fpu_tos, x86_fpu_bos;
};
+#ifdef END_PACK
+# pragma END_PACK
+#endif
+
/*
* There are two versions of the following macro.
*
diff --git a/hw/xfree86/x86emu/x86emu/prim_asm.h b/hw/xfree86/x86emu/x86emu/prim_asm.h
index 041255f18..e023cf88d 100644
--- a/hw/xfree86/x86emu/x86emu/prim_asm.h
+++ b/hw/xfree86/x86emu/x86emu/prim_asm.h
@@ -39,7 +39,6 @@
* platform.
*
****************************************************************************/
-/* $XFree86$ */
#ifndef __X86EMU_PRIM_ASM_H
#define __X86EMU_PRIM_ASM_H
diff --git a/hw/xfree86/x86emu/x86emu/prim_ops.h b/hw/xfree86/x86emu/x86emu/prim_ops.h
index 1633fe1fa..bea8357e4 100644
--- a/hw/xfree86/x86emu/x86emu/prim_ops.h
+++ b/hw/xfree86/x86emu/x86emu/prim_ops.h
@@ -39,8 +39,6 @@
#ifndef __X86EMU_PRIM_OPS_H
#define __X86EMU_PRIM_OPS_H
-#include "x86emu/prim_asm.h"
-
#ifdef __cplusplus
extern "C" { /* Use "C" linkage when in C++ mode */
#endif
@@ -136,94 +134,6 @@ void push_long (u32 w);
u16 pop_word (void);
u32 pop_long (void);
-#if defined(__HAVE_INLINE_ASSEMBLER__) && !defined(PRIM_OPS_NO_REDEFINE_ASM)
-
-#define aaa_word(d) aaa_word_asm(&M.x86.R_EFLG,d)
-#define aas_word(d) aas_word_asm(&M.x86.R_EFLG,d)
-#define aad_word(d) aad_word_asm(&M.x86.R_EFLG,d)
-#define aam_word(d) aam_word_asm(&M.x86.R_EFLG,d)
-#define adc_byte(d,s) adc_byte_asm(&M.x86.R_EFLG,d,s)
-#define adc_word(d,s) adc_word_asm(&M.x86.R_EFLG,d,s)
-#define adc_long(d,s) adc_long_asm(&M.x86.R_EFLG,d,s)
-#define add_byte(d,s) add_byte_asm(&M.x86.R_EFLG,d,s)
-#define add_word(d,s) add_word_asm(&M.x86.R_EFLG,d,s)
-#define add_long(d,s) add_long_asm(&M.x86.R_EFLG,d,s)
-#define and_byte(d,s) and_byte_asm(&M.x86.R_EFLG,d,s)
-#define and_word(d,s) and_word_asm(&M.x86.R_EFLG,d,s)
-#define and_long(d,s) and_long_asm(&M.x86.R_EFLG,d,s)
-#define cmp_byte(d,s) cmp_byte_asm(&M.x86.R_EFLG,d,s)
-#define cmp_word(d,s) cmp_word_asm(&M.x86.R_EFLG,d,s)
-#define cmp_long(d,s) cmp_long_asm(&M.x86.R_EFLG,d,s)
-#define daa_byte(d) daa_byte_asm(&M.x86.R_EFLG,d)
-#define das_byte(d) das_byte_asm(&M.x86.R_EFLG,d)
-#define dec_byte(d) dec_byte_asm(&M.x86.R_EFLG,d)
-#define dec_word(d) dec_word_asm(&M.x86.R_EFLG,d)
-#define dec_long(d) dec_long_asm(&M.x86.R_EFLG,d)
-#define inc_byte(d) inc_byte_asm(&M.x86.R_EFLG,d)
-#define inc_word(d) inc_word_asm(&M.x86.R_EFLG,d)
-#define inc_long(d) inc_long_asm(&M.x86.R_EFLG,d)
-#define or_byte(d,s) or_byte_asm(&M.x86.R_EFLG,d,s)
-#define or_word(d,s) or_word_asm(&M.x86.R_EFLG,d,s)
-#define or_long(d,s) or_long_asm(&M.x86.R_EFLG,d,s)
-#define neg_byte(s) neg_byte_asm(&M.x86.R_EFLG,s)
-#define neg_word(s) neg_word_asm(&M.x86.R_EFLG,s)
-#define neg_long(s) neg_long_asm(&M.x86.R_EFLG,s)
-#define not_byte(s) not_byte_asm(&M.x86.R_EFLG,s)
-#define not_word(s) not_word_asm(&M.x86.R_EFLG,s)
-#define not_long(s) not_long_asm(&M.x86.R_EFLG,s)
-#define rcl_byte(d,s) rcl_byte_asm(&M.x86.R_EFLG,d,s)
-#define rcl_word(d,s) rcl_word_asm(&M.x86.R_EFLG,d,s)
-#define rcl_long(d,s) rcl_long_asm(&M.x86.R_EFLG,d,s)
-#define rcr_byte(d,s) rcr_byte_asm(&M.x86.R_EFLG,d,s)
-#define rcr_word(d,s) rcr_word_asm(&M.x86.R_EFLG,d,s)
-#define rcr_long(d,s) rcr_long_asm(&M.x86.R_EFLG,d,s)
-#define rol_byte(d,s) rol_byte_asm(&M.x86.R_EFLG,d,s)
-#define rol_word(d,s) rol_word_asm(&M.x86.R_EFLG,d,s)
-#define rol_long(d,s) rol_long_asm(&M.x86.R_EFLG,d,s)
-#define ror_byte(d,s) ror_byte_asm(&M.x86.R_EFLG,d,s)
-#define ror_word(d,s) ror_word_asm(&M.x86.R_EFLG,d,s)
-#define ror_long(d,s) ror_long_asm(&M.x86.R_EFLG,d,s)
-#define shl_byte(d,s) shl_byte_asm(&M.x86.R_EFLG,d,s)
-#define shl_word(d,s) shl_word_asm(&M.x86.R_EFLG,d,s)
-#define shl_long(d,s) shl_long_asm(&M.x86.R_EFLG,d,s)
-#define shr_byte(d,s) shr_byte_asm(&M.x86.R_EFLG,d,s)
-#define shr_word(d,s) shr_word_asm(&M.x86.R_EFLG,d,s)
-#define shr_long(d,s) shr_long_asm(&M.x86.R_EFLG,d,s)
-#define sar_byte(d,s) sar_byte_asm(&M.x86.R_EFLG,d,s)
-#define sar_word(d,s) sar_word_asm(&M.x86.R_EFLG,d,s)
-#define sar_long(d,s) sar_long_asm(&M.x86.R_EFLG,d,s)
-#define shld_word(d,fill,s) shld_word_asm(&M.x86.R_EFLG,d,fill,s)
-#define shld_long(d,fill,s) shld_long_asm(&M.x86.R_EFLG,d,fill,s)
-#define shrd_word(d,fill,s) shrd_word_asm(&M.x86.R_EFLG,d,fill,s)
-#define shrd_long(d,fill,s) shrd_long_asm(&M.x86.R_EFLG,d,fill,s)
-#define sbb_byte(d,s) sbb_byte_asm(&M.x86.R_EFLG,d,s)
-#define sbb_word(d,s) sbb_word_asm(&M.x86.R_EFLG,d,s)
-#define sbb_long(d,s) sbb_long_asm(&M.x86.R_EFLG,d,s)
-#define sub_byte(d,s) sub_byte_asm(&M.x86.R_EFLG,d,s)
-#define sub_word(d,s) sub_word_asm(&M.x86.R_EFLG,d,s)
-#define sub_long(d,s) sub_long_asm(&M.x86.R_EFLG,d,s)
-#define test_byte(d,s) test_byte_asm(&M.x86.R_EFLG,d,s)
-#define test_word(d,s) test_word_asm(&M.x86.R_EFLG,d,s)
-#define test_long(d,s) test_long_asm(&M.x86.R_EFLG,d,s)
-#define xor_byte(d,s) xor_byte_asm(&M.x86.R_EFLG,d,s)
-#define xor_word(d,s) xor_word_asm(&M.x86.R_EFLG,d,s)
-#define xor_long(d,s) xor_long_asm(&M.x86.R_EFLG,d,s)
-#define imul_byte(s) imul_byte_asm(&M.x86.R_EFLG,&M.x86.R_AX,M.x86.R_AL,s)
-#define imul_word(s) imul_word_asm(&M.x86.R_EFLG,&M.x86.R_AX,&M.x86.R_DX,M.x86.R_AX,s)
-#define imul_long(s) imul_long_asm(&M.x86.R_EFLG,&M.x86.R_EAX,&M.x86.R_EDX,M.x86.R_EAX,s)
-#define imul_long_direct(res_lo,res_hi,d,s) imul_long_asm(&M.x86.R_EFLG,res_lo,res_hi,d,s)
-#define mul_byte(s) mul_byte_asm(&M.x86.R_EFLG,&M.x86.R_AX,M.x86.R_AL,s)
-#define mul_word(s) mul_word_asm(&M.x86.R_EFLG,&M.x86.R_AX,&M.x86.R_DX,M.x86.R_AX,s)
-#define mul_long(s) mul_long_asm(&M.x86.R_EFLG,&M.x86.R_EAX,&M.x86.R_EDX,M.x86.R_EAX,s)
-#define idiv_byte(s) idiv_byte_asm(&M.x86.R_EFLG,&M.x86.R_AL,&M.x86.R_AH,M.x86.R_AX,s)
-#define idiv_word(s) idiv_word_asm(&M.x86.R_EFLG,&M.x86.R_AX,&M.x86.R_DX,M.x86.R_AX,M.x86.R_DX,s)
-#define idiv_long(s) idiv_long_asm(&M.x86.R_EFLG,&M.x86.R_EAX,&M.x86.R_EDX,M.x86.R_EAX,M.x86.R_EDX,s)
-#define div_byte(s) div_byte_asm(&M.x86.R_EFLG,&M.x86.R_AL,&M.x86.R_AH,M.x86.R_AX,s)
-#define div_word(s) div_word_asm(&M.x86.R_EFLG,&M.x86.R_AX,&M.x86.R_DX,M.x86.R_AX,M.x86.R_DX,s)
-#define div_long(s) div_long_asm(&M.x86.R_EFLG,&M.x86.R_EAX,&M.x86.R_EDX,M.x86.R_EAX,M.x86.R_EDX,s)
-
-#endif
-
#ifdef __cplusplus
} /* End of "C" linkage for C++ */
#endif
diff --git a/hw/xfree86/x86emu/x86emu/regs.h b/hw/xfree86/x86emu/x86emu/regs.h
index fba2991d4..52cf8e41b 100644
--- a/hw/xfree86/x86emu/x86emu/regs.h
+++ b/hw/xfree86/x86emu/x86emu/regs.h
@@ -35,13 +35,16 @@
* Description: Header file for x86 register definitions.
*
****************************************************************************/
-/* $XFree86: xc/extras/x86emu/include/x86emu/regs.h,v 1.5 2003/10/22 20:03:05 tsi Exp $ */
#ifndef __X86EMU_REGS_H
#define __X86EMU_REGS_H
/*---------------------- Macros and type definitions ----------------------*/
+#ifdef PACK
+# pragma PACK
+#endif
+
/*
* General EAX, EBX, ECX, EDX type registers. Note that for
* portability, and speed, the issue of byte swapping is not addressed
@@ -303,6 +306,10 @@ typedef struct {
X86EMU_regs x86;
} X86EMU_sysEnv;
+#ifdef END_PACK
+# pragma END_PACK
+#endif
+
/*----------------------------- Global Variables --------------------------*/
#ifdef __cplusplus
diff --git a/hw/xfree86/x86emu/x86emu/types.h b/hw/xfree86/x86emu/x86emu/types.h
index 5232d10ac..c0c09c1b0 100644
--- a/hw/xfree86/x86emu/x86emu/types.h
+++ b/hw/xfree86/x86emu/x86emu/types.h
@@ -36,12 +36,11 @@
*
****************************************************************************/
-/* $XFree86: xc/extras/x86emu/include/x86emu/types.h,v 1.6 2003/06/12 14:12:26 eich Exp $ */
#ifndef __X86EMU_TYPES_H
#define __X86EMU_TYPES_H
-#ifndef IN_MODULE
+#ifndef NO_SYS_HEADERS
#include <sys/types.h>
#endif
diff --git a/hw/xfree86/x86emu/x86emu/x86emui.h b/hw/xfree86/x86emu/x86emu/x86emui.h
index 3adf61ec6..112ee366f 100644
--- a/hw/xfree86/x86emu/x86emu/x86emui.h
+++ b/hw/xfree86/x86emu/x86emu/x86emui.h
@@ -38,7 +38,6 @@
*
****************************************************************************/
-/* $XFree86: xc/extras/x86emu/src/x86emu/x86emu/x86emui.h,v 1.3 2000/04/17 16:29:47 eich Exp $ */
#ifndef __X86EMU_X86EMUI_H
#define __X86EMU_X86EMUI_H
@@ -71,9 +70,7 @@
#include "x86emu/fpu.h"
#include "x86emu/fpu_regs.h"
-#ifdef IN_MODULE
-#include <xf86_ansic.h>
-#else
+#ifndef NO_SYS_HEADERS
#include <stdio.h>
#include <stdlib.h>
#include <string.h>