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[/] [ao486/] [trunk/] [rtl/] [ao486/] [commands/] [CMD_LGDT_LIDT.txt] - Blame information for rev 2

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`define CMD_LGDT        #AUTOGEN_NEXT_CMD
 
`define CMD_LIDT        #AUTOGEN_NEXT_CMD
 
`define CMDEX_LGDT_LIDT_STEP_1      4'd8
`define CMDEX_LGDT_LIDT_STEP_2      4'd9
`define CMDEX_LGDT_LIDT_STEP_LAST   4'd10

 

dec_ready_2byte_modregrm && decoder[7:0] == 8'h01 && decoder[13:11] == 3'd2
prefix_group_1_lock || `DEC_MODREGRM_IS_MOD_11
`CMD_LGDT
SET(dec_cmdex, `CMDEX_LGDT_LIDT_STEP_1);
SET(consume_modregrm_one);
SET(dec_is_complex);

 

dec_ready_2byte_modregrm && decoder[7:0] == 8'h01 && decoder[13:11] == 3'd3
prefix_group_1_lock || `DEC_MODREGRM_IS_MOD_11
`CMD_LIDT
SET(dec_cmdex, `CMDEX_LGDT_LIDT_STEP_1);
SET(consume_modregrm_one);
SET(dec_is_complex);

 

IF((mc_cmd == `CMD_LGDT || mc_cmd == `CMD_LIDT) && mc_cmdex_last == `CMDEX_LGDT_LIDT_STEP_1);
    DIRECT(mc_cmd, `CMDEX_LGDT_LIDT_STEP_2);
ENDIF();
 
IF((mc_cmd == `CMD_LGDT || mc_cmd == `CMD_LIDT) && mc_cmdex_last == `CMDEX_LGDT_LIDT_STEP_2);
    DIRECT(mc_cmd, `CMDEX_LGDT_LIDT_STEP_LAST);
ENDIF();
 
IF((mc_cmd == `CMD_LGDT || mc_cmd == `CMD_LIDT) && mc_cmdex_last == `CMDEX_LGDT_LIDT_STEP_LAST);
    DIRECT(mc_cmd, `CMDEX_LGDT_LIDT_STEP_LAST);
ENDIF();

 

IF((rd_cmd == `CMD_LGDT || rd_cmd == `CMD_LIDT) && (rd_cmdex == `CMDEX_LGDT_LIDT_STEP_1 || rd_cmdex == `CMDEX_LGDT_LIDT_STEP_2));
 
    IF(rd_cmdex == `CMDEX_LGDT_LIDT_STEP_1);
        SET(read_length_word);
    ENDIF();
 
    SET(address_ea_buffer_plus_2);
 
    IF(rd_cmdex == `CMDEX_LGDT_LIDT_STEP_2);
        SET(address_ea_buffer);
        SET(read_length_dword);
    ENDIF();
 
    IF(cpl == 2'd0);
 
        SET(rd_src_is_memory);
 
        IF(rd_mutex_busy_memory); SET(rd_waiting);
        ELSE();
            SET(read_virtual);
 
            IF(~(read_for_rd_ready)); SET(rd_waiting); ENDIF();
        ENDIF();
    ENDIF();
 
ENDIF();

 

IF(exe_cmd == `CMD_LGDT || exe_cmd == `CMD_LIDT);
 
    SET(exe_result2, src);
 
    IF(cpl != 2'd0);
        SET(exe_waiting);
        SET(exe_trigger_gp_fault); //exception GP(val)
    ENDIF();
ENDIF();

 

IF((wr_cmd == `CMD_LGDT || wr_cmd == `CMD_LIDT));
    IF(wr_cmdex == `CMDEX_LGDT_LIDT_STEP_1); SET(wr_not_finished); ENDIF();
 
    IF(wr_cmd == `CMD_LGDT);
        IF(wr_cmdex == `CMDEX_LGDT_LIDT_STEP_1);
            SAVE(gdtr_limit, result2[15:0]);
        ELSE();
            SAVE(gdtr_base, wr_operand_32bit? result2 : { 8'd0, result2[23:0] });
        ENDIF();
    ENDIF();
 
    IF(wr_cmd == `CMD_LIDT);
        IF(wr_cmdex == `CMDEX_LGDT_LIDT_STEP_1);
            SAVE(idtr_limit, result2[15:0]);
        ELSE();
            SAVE(idtr_base, wr_operand_32bit? result2 : { 8'd0, result2[23:0] });
        ENDIF();
    ENDIF();
 
    IF(wr_cmdex == `CMDEX_LGDT_LIDT_STEP_2);
        // clear pipeline
        SET(wr_req_reset_micro);
        SET(wr_req_reset_rd);
        SET(wr_req_reset_exe);
    ELSE();
        SET(wr_not_finished);
    ENDIF();
ENDIF();

 

Line No.	Rev	Author	Line
1	2	alfik
2
3			`define CMD_LGDT #AUTOGEN_NEXT_CMD
4
5			`define CMD_LIDT #AUTOGEN_NEXT_CMD
6
7			`define CMDEX_LGDT_LIDT_STEP_1 4'd8
8			`define CMDEX_LGDT_LIDT_STEP_2 4'd9
9			`define CMDEX_LGDT_LIDT_STEP_LAST 4'd10
10
11
12
13			`dec_ready_2byte_modregrm && decoder[7:0] == 8'h01 && decoder[13:11] == 3'd2`
14			prefix_group_1_lock \|\| `DEC_MODREGRM_IS_MOD_11
15			`CMD_LGDT
16			SET(dec_cmdex, `CMDEX_LGDT_LIDT_STEP_1);
17			`SET(consume_modregrm_one);`
18			`SET(dec_is_complex);`
19
20
21
22			`dec_ready_2byte_modregrm && decoder[7:0] == 8'h01 && decoder[13:11] == 3'd3`
23			prefix_group_1_lock \|\| `DEC_MODREGRM_IS_MOD_11
24			`CMD_LIDT
25			SET(dec_cmdex, `CMDEX_LGDT_LIDT_STEP_1);
26			`SET(consume_modregrm_one);`
27			`SET(dec_is_complex);`
28
29
30
31			IF((mc_cmd == `CMD_LGDT \|\| mc_cmd == `CMD_LIDT) && mc_cmdex_last == `CMDEX_LGDT_LIDT_STEP_1);
32			DIRECT(mc_cmd, `CMDEX_LGDT_LIDT_STEP_2);
33			`ENDIF();`
34
35			IF((mc_cmd == `CMD_LGDT \|\| mc_cmd == `CMD_LIDT) && mc_cmdex_last == `CMDEX_LGDT_LIDT_STEP_2);
36			DIRECT(mc_cmd, `CMDEX_LGDT_LIDT_STEP_LAST);
37			`ENDIF();`
38
39			IF((mc_cmd == `CMD_LGDT \|\| mc_cmd == `CMD_LIDT) && mc_cmdex_last == `CMDEX_LGDT_LIDT_STEP_LAST);
40			DIRECT(mc_cmd, `CMDEX_LGDT_LIDT_STEP_LAST);
41			`ENDIF();`
42
43
44
45			IF((rd_cmd == `CMD_LGDT \|\| rd_cmd == `CMD_LIDT) && (rd_cmdex == `CMDEX_LGDT_LIDT_STEP_1 \|\| rd_cmdex == `CMDEX_LGDT_LIDT_STEP_2));
46
47			IF(rd_cmdex == `CMDEX_LGDT_LIDT_STEP_1);
48			`SET(read_length_word);`
49			`ENDIF();`
50
51			`SET(address_ea_buffer_plus_2);`
52
53			IF(rd_cmdex == `CMDEX_LGDT_LIDT_STEP_2);
54			`SET(address_ea_buffer);`
55			`SET(read_length_dword);`
56			`ENDIF();`
57
58			`IF(cpl == 2'd0);`
59
60			`SET(rd_src_is_memory);`
61
62			`IF(rd_mutex_busy_memory); SET(rd_waiting);`
63			`ELSE();`
64			`SET(read_virtual);`
65
66			`IF(~(read_for_rd_ready)); SET(rd_waiting); ENDIF();`
67			`ENDIF();`
68			`ENDIF();`
69
70			`ENDIF();`
71
72
73
74			IF(exe_cmd == `CMD_LGDT \|\| exe_cmd == `CMD_LIDT);
75
76			`SET(exe_result2, src);`
77
78			`IF(cpl != 2'd0);`
79			`SET(exe_waiting);`
80			`SET(exe_trigger_gp_fault); //exception GP(val)`
81			`ENDIF();`
82			`ENDIF();`
83
84
85
86			IF((wr_cmd == `CMD_LGDT \|\| wr_cmd == `CMD_LIDT));
87			IF(wr_cmdex == `CMDEX_LGDT_LIDT_STEP_1); SET(wr_not_finished); ENDIF();
88
89			IF(wr_cmd == `CMD_LGDT);
90			IF(wr_cmdex == `CMDEX_LGDT_LIDT_STEP_1);
91			`SAVE(gdtr_limit, result2[15:0]);`
92			`ELSE();`
93			`SAVE(gdtr_base, wr_operand_32bit? result2 : { 8'd0, result2[23:0] });`
94			`ENDIF();`
95			`ENDIF();`
96
97			IF(wr_cmd == `CMD_LIDT);
98			IF(wr_cmdex == `CMDEX_LGDT_LIDT_STEP_1);
99			`SAVE(idtr_limit, result2[15:0]);`
100			`ELSE();`
101			`SAVE(idtr_base, wr_operand_32bit? result2 : { 8'd0, result2[23:0] });`
102			`ENDIF();`
103			`ENDIF();`
104
105			IF(wr_cmdex == `CMDEX_LGDT_LIDT_STEP_2);
106			`// clear pipeline`
107			`SET(wr_req_reset_micro);`
108			`SET(wr_req_reset_rd);`
109			`SET(wr_req_reset_exe);`
110			`ELSE();`
111			`SET(wr_not_finished);`
112			`ENDIF();`
113			`ENDIF();`
114
115

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[/] [ao486/] [trunk/] [rtl/] [ao486/] [commands/] [CMD_LGDT_LIDT.txt] - Blame information for rev 2