New special instruction building...
This commit is contained in:
xolatile
parent
6c1e05c926
commit
48e2061aaa
@ -9,10 +9,12 @@ int main (void) {
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output_array = malloc (144UL * sizeof (* output_array));
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assemble (ADC, D64, REG, R1, REG, R2);
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assemble (ADC, D32, REG, R1, MEM, 12);
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assemble (ADC, D16, MEM, 12, REG, R10);
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assemble (ADC, D8, REG, R3, IMM, 0X77);
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build_regular (ADC, D64, REG, R1, REG, R2);
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build_regular (ADC, D32, REG, R1, MEM, 12);
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build_regular (ADC, D16, MEM, 12, REG, R10);
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build_regular (ADC, D8, REG, R3, IMM, 0X77);
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build_special_1 (LOCK);
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build_special_2 (PAUSE);
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for (index = 0; index < output_count; ++index) {
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printf ("%02X \n", output_array [index]);
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@ -19,6 +19,15 @@ splint assembler.h:
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-- no warnings at all.
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*/
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#define REGULAR_START (ADD)
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#define REGULAR_COUNT (UMUL - REGULAR_START)
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#define IRREGULAR_START (UMUL)
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#define IRREGULAR_COUNT (NOP - IRREGULAR_START)
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#define SPECIAL_1_START (NOP)
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#define SPECIAL_1_COUNT (SYSENTER - SPECIAL_1_START)
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#define SPECIAL_2_START (SYSENTER)
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#define SPECIAL_2_COUNT (ENTER - SPECIAL_2_START)
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typedef signed int form;
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typedef unsigned int next;
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typedef unsigned char byte;
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@ -56,7 +65,7 @@ static void build_long_prefix (form when,
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static void build_register_direction (form when,
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form destination,
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form source) {
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form source) { /* LENGTH */
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place (when, (byte) (0XC0 + 0X01 * (destination % 8) + 0X08 * (source % 8)));
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}
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@ -84,124 +93,12 @@ static void build_regular_instruction (form when,
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+ 0XC0 * ((from == IMM) && (to == REG))));
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}
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/* EXPERIMENTAL CODE */
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//~static void add (void) { place (0XFF); } /* REGULAR */
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//~static void or (void) { place (0XFF); }
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//~static void adc (void) { place (0XFF); }
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//~static void sbb (void) { place (0XFF); }
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//~static void and (void) { place (0XFF); }
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//~static void sub (void) { place (0XFF); }
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//~static void xor (void) { place (0XFF); }
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//~static void cmp (void) { place (0XFF); }
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//~static void umul (void) { place (0XFF); } /* IRREGULAR */
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//~static void udiv (void) { place (0XFF); } /* STDLIB CANCER FIX */
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//~static void imul (void) { place (0XFF); }
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//~static void idiv (void) { place (0XFF); }
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//~static void inc (void) { place (0XFF); }
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//~static void dec (void) { place (0XFF); }
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//~static void not (void) { place (0XFF); }
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//~static void neg (void) { place (0XFF); }
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//~static void enter (form dynamic_storage,
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//~form nesting_level) {
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//~place (0XC8);
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//~place ((byte) (dynamic_storage / 1) % 256); /* FIX LATER */
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//~place ((byte) (dynamic_storage / 256) % 256);
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//~place ((byte) (nesting_level / 1) % 256);
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//~}
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//~static void leave (void) {
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//~place (0XC9);
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//~}
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//~static void call (void) { place (0XFF); }
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//~static void ret (void) { place (0XC3); } /* NEAR, NOT FAR (INTERSEGMENT) */
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//~static void sysenter (void) { place (0X0F); place (0X34); }
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//~static void sysexit (void) { place (0X0F); place (0X35); }
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//~static void syscall (void) { place (0X0F); place (0X05); }
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//~static void sysret (void) { place (0X0F); place (0X07); }
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//~static void jmp (void) { place (0XFF); }
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//~static void jpe (void) { place (0XFF); }
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//~static void js (void) { place (0XFF); }
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//~static void jpo (void) { place (0XFF); }
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//~static void je (void) { place (0XFF); }
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//~static void jne (void) { place (0XFF); }
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//~static void jz (void) { place (0XFF); }
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//~static void jnz (void) { place (0XFF); }
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//~static void ja (void) { place (0XFF); }
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//~static void jna (void) { place (0XFF); }
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//~static void jb (void) { place (0XFF); }
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//~static void jnb (void) { place (0XFF); }
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//~static void mov (void) { place (0XFF); } /* EXTEND */
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//~static void cmovpe (void) { place (0XFF); }
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//~static void cmovs (void) { place (0XFF); }
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//~static void cmovpo (void) { place (0XFF); }
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//~static void cmove (void) { place (0XFF); }
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//~static void cmovne (void) { place (0XFF); }
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//~static void cmovz (void) { place (0XFF); }
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//~static void cmovnz (void) { place (0XFF); }
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//~static void cmova (void) { place (0XFF); }
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//~static void cmovna (void) { place (0XFF); }
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//~static void cmovb (void) { place (0XFF); }
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//~static void cmovnb (void) { place (0XFF); }
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//~static void lock (void) { place (0XF0); }
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//~static void hlt (void) { place (0XF4); }
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//~static void in (void) { place (0XFF); }
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//~static void out (void) { place (0XFF); }
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//~static void push (void) { place (0XFF); }
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//~static void pop (void) { place (0XFF); }
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//~static void bswap (void) { place (0XFF); }
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//~static void test (void) { place (0XFF); }
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//~static void rcl (void) { place (0XFF); }
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//~static void rcr (void) { place (0XFF); }
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//~static void rol (void) { place (0XFF); }
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//~static void ror (void) { place (0XFF); }
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//~static void shl (void) { place (0XFF); }
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//~static void shr (void) { place (0XFF); }
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//~static void sal (void) { place (0XFF); }
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//~static void sar (void) { place (0XFF); }
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//~static void rep (void) { place (0XFF); }
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//~static void repe (void) { place (0XFF); }
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//~static void repne (void) { place (0XFF); }
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//~static void repz (void) { place (0XFF); }
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//~static void loop (void) { place (0XFF); }
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//~static void loope (void) { place (0XFF); }
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//~static void loopne (void) { place (0XFF); }
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//~static void pause (void) { place (0XF3); place (0X90); }
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//~static void xadd (void) { place (0XFF); }
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//~static void xchg (void) { place (0XFF); }
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//~static void lea (void) { place (0XFF); }
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//~static void popcnt (void) { place (0XFF); }
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//~static void inti (void) { place (0XFF); }
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//~static void bsf (void) { place (0XFF); }
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//~static void bsr (void) { place (0XFF); }
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//~static void bound (void) { place (0XFF); }
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//~static void fadd (void) { place (0XFF); }
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//~static void fsub (void) { place (0XFF); }
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//~static void fmul (void) { place (0XFF); }
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//~static void fdiv (void) { place (0XFF); }
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//~static void fnop (void) { place (0XFF); }
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//~static void fxam (void) { place (0XFF); }
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//~static void fabs (void) { place (0XFF); }
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//~static void fscale (void) { place (0XFF); }
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//~static void fsin (void) { place (0XFF); }
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//~static void fcos (void) { place (0XFF); }
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//~static void fsqrt (void) { place (0XFF); }
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//~static void fchs (void) { place (0XFF); }
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//~static void fxch (void) { place (0XFF); }
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//~static void frem (void) { place (0XFF); }
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//~static void fldpi (void) { place (0XFF); }
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//~static void fldz (void) { place (0XFF); }
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//~static void cpuid (void) { place (0X0F); place (0XA2); }
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//~static void movbe (void) { place (0XFF); } /* [48]0F38[F0-RM/F1-MR][05+8R] */
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static void assemble (operation_index operation,
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size_index size,
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type_index to,
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form destination,
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type_index from,
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form source) {
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static void build_regular (operation_index operation,
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size_index size,
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type_index to,
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form destination,
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type_index from,
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form source) {
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build_short_prefix (size == D16);
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build_long_prefix ((size == D64)
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@ -220,3 +117,21 @@ static void assemble (operation_index operation,
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build_register_redirection ((to == REG) && (from == MEM), destination);
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build_register_redirection ((to == MEM) && (from == REG), source);
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}
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static void build_special_1 (operation_index operation) {
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const byte data [1 * SPECIAL_1_COUNT] = {
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0X90, 0XC3, 0XCB, 0XC9, 0XF0, 0XF4
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};
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place (1, data [operation - SPECIAL_1_START]);
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}
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static void build_special_2 (operation_index operation) {
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const byte data [2 * SPECIAL_2_COUNT] = {
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0X0F, 0X0F, 0X0F, 0X0F, 0XF3, 0X0F,
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0X34, 0X35, 0X05, 0X07, 0X90, 0XA2
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};
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place (1, data [operation - SPECIAL_2_START]);
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place (1, data [operation - SPECIAL_2_START + SPECIAL_2_COUNT]);
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}
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@ -14,27 +14,28 @@ typedef enum {
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AND, SUB, XOR, CMP,
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UMUL, UDIV, IMUL, IDIV,
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INC, DEC, NOT, NEG,
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ENTER, LEAVE, CALL, RET,
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NOP, RETN, RETF, LEAVE,
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LOCK, HLT,
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SYSENTER, SYSEXIT, SYSCALL, SYSRET,
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PAUSE, CPUID,
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ENTER, CALL, IN, OUT,
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JMP, JPE, JS, JPO,
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JE, JNE, JZ, JNZ,
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JA, JNA, JB, JNB,
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MOV, CMOVPE, CMOVS, CMOVPO,
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CMOVE, CMOVNE, CMOVZ, CMOVNZ,
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CMOVA, CMOVNA, CMOVB, CMOVNB,
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LOCK, HLT, IN, OUT,
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PUSH, POP, BSWAP, TEST,
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RCL, RCR, ROL, ROR,
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SHL, SHR, SAL, SAR,
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REP, REPE, REPNE, REPZ,
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LOOP, LOOPE, LOOPNE, PAUSE,
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LOOP, LOOPE, LOOPNE, MOVBE,
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XADD, XCHG, LEA, POPCNT,
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INTI, BSF, BSR, BOUND,
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FADD, FSUB, FMUL, FDIV,
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FNOP, FXAM, FABS, FSCALE,
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FSIN, FCOS, FSQRT, FCHS,
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FXCH, FREM, FLDPI, FLDZ,
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CPUID, MOVBE,
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} operation_index;
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typedef enum {
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