DeforaOS/Asm
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Added the "enter" instruction

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This commit is contained in:
Pierre Pronchery 2011-04-17 14:03:12 +00:00
parent b6f891d8bf
commit a70291ab2b
2 changed files with 7 additions and 0 deletions
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3
src/arch/i386.ins
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@ -89,6 +89,7 @@
#define OP_S8 AO_IMMEDIATE(AOF_SIGNED, 0, 8)
#define OP_SW AO_IMMEDIATE(AOF_SIGNED, 0, W)
#define OP_U8 AO_IMMEDIATE(0, 0, 8)
#define OP_U16 AO_IMMEDIATE(0, 0, 16)
#define OP_UW AO_IMMEDIATE(0, 0, W)
@ -351,5 +352,7 @@
{ "div", 0xf7, OP1F, OP_RMW_D8+6,AOT_NONE, AOT_NONE },
{ "div", 0xf7, OP1F, OP_RMW_DW+6,AOT_NONE, AOT_NONE },
{ "div", 0xf7, OP1F, OP_RMW_RW+6,AOT_NONE, AOT_NONE },
/* ENTER 0xc8 iw 1 imm16 imm8 */
{ "enter", 0xc8, OP1F, OP_U16, OP_U8, AOT_NONE },
/* NOP 0x90 1 */
{ "nop", 0x90, OP1F, AOT_NONE, AOT_NONE, AOT_NONE },

4
test/i386.S
View File

@ -110,4 +110,8 @@
div [%eax + $0x02] /* f7 70 02 */
div [%ebx + $0x4012] /* f7 b3 12 40 00 00 */
div %edx /* f7 f2 */
/* ENTER */
enter $0xabcd, $0x0 /* c8 cd ab 00 */
enter $0xdcef, $0x1 /* c8 ef dc 01 */
enter $0xfacd, $0x42 /* c8 cd fa 42 */
nop /* 0x90 */