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

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`define CMD_INS         #AUTOGEN_NEXT_CMD
 
`define CMDEX_INS_real_1        4'd0
`define CMDEX_INS_real_2        4'd1
`define CMDEX_INS_protected_1   4'd2
`define CMDEX_INS_protected_2   4'd3

 

dec_ready_one && { decoder[7:1], 1'b0 } == 8'h6C
`CMD_INS
SET(dec_cmdex, `CMDEX_INS_real_1);
IF(decoder[0] == 1'b0); SET(dec_is_8bit); ENDIF();
SET(consume_one);
SET(dec_is_complex);

 
 

IF(`CMDEX_INS_real_1 && ~(io_allow_check_needed));
    `CMDEX_INS_real_2
    `CMDEX_INS_real_1
ENDIF();
 
IF(`CMDEX_INS_real_1 && io_allow_check_needed);
    CALL(`CMDEX_io_allow_1);
    `CMDEX_INS_protected_1
ENDIF();
 
IF(`CMDEX_INS_protected_1);
    `CMDEX_INS_protected_2
    `CMDEX_INS_protected_1
ENDIF();

 

IF(rd_cmd == `CMD_INS && (rd_cmdex == `CMDEX_INS_real_1 || rd_cmdex == `CMDEX_INS_protected_1));
 
    SET(address_edi);
    // waiting for edi in address_waiting
 
    IF(rd_mutex_busy_ecx && rd_prefix_group_1_rep != 2'd0); SET(rd_waiting);
    //waiting for ecx for rd_string_ignore
    ELSE();
 
        IF(~(rd_string_ignore) && ~(io_allow_check_needed && rd_cmdex == `CMDEX_INS_real_1));
            // read value not saved
 
            SET(read_rmw_virtual);
 
            IF(~(read_for_rd_ready)); SET(rd_waiting); ENDIF();
        ENDIF();
    ENDIF();
ENDIF();

 

IF(rd_cmd == `CMD_INS && (rd_cmdex == `CMDEX_INS_real_2 || rd_cmdex == `CMDEX_INS_protected_2));
 
    SET(io_read_address, edx[15:0]);
 
    IF(rd_mutex_busy_edx || (rd_mutex_busy_ecx && rd_prefix_group_1_rep != 2'd0)); SET(rd_waiting);
    //waiting for ecx for rd_string_ignore
    ELSE();
 
        IF(~(rd_string_ignore) && ~(io_allow_check_needed && rd_cmdex == `CMDEX_INS_real_1));
            SET(rd_src_is_io);
 
            SET(rd_req_edi);
            SET(rd_req_memory);
 
            //not needed -- reset after finish //IF(rd_prefix_group_1_rep != 2'd0); SET(rd_req_ecx); ENDIF();
 
            SET(io_read);
 
            IF(~(rd_io_ready)); SET(rd_waiting); ENDIF();
        ENDIF();
    ENDIF();
ENDIF();

 

IF(exe_cmd == `CMD_INS);
 
    SET(exe_result_push, src);
 
    IF(exe_mutex_current[`MUTEX_EDX_BIT]); SET(exe_waiting);
    ELSE();
        SET(exe_glob_param_1_set);
        SET(exe_glob_param_1_value, { 16'd0, edx[15:0] }); //for CMD_io_allow
    ENDIF();
ENDIF();

 

IF(wr_cmd == `CMD_INS);
 
    // - rep && ignore
    // - no rep
    // - rep && finish
    // - rep && not finish && not ignore
 
    IF(wr_cmdex == `CMDEX_INS_real_1 || wr_cmdex == `CMDEX_INS_protected_1);
        SET(wr_not_finished);
    ELSE();
        IF(~(wr_string_ignore));
 
            // no fault possible -- RMW read performed before
            SET(write_string_es_virtual);
 
            IF(~(write_for_wr_ready)); SET(wr_waiting);
            ELSE();
                SAVE(edi, wr_edi_final);
                IF(wr_prefix_group_1_rep != 2'd0); SAVE(ecx, wr_ecx_final); ENDIF();
 
                IF(wr_string_finish || wr_prefix_group_1_rep == 2'd0);
                    SET(wr_req_reset_micro);
                    SET(wr_req_reset_rd);
                    SET(wr_req_reset_exe);
                ELSE();
                    SET(wr_not_finished);
 
                    SET(wr_string_in_progress);
                ENDIF();
            ENDIF();
        ENDIF();
 
        IF(wr_string_ignore);
            SET(wr_req_reset_micro);
            SET(wr_req_reset_rd);
            SET(wr_req_reset_exe);
        ENDIF();
    ENDIF();
ENDIF();

 

Line No.	Rev	Author	Line
1	2	alfik
2
3			`define CMD_INS #AUTOGEN_NEXT_CMD
4
5			`define CMDEX_INS_real_1 4'd0
6			`define CMDEX_INS_real_2 4'd1
7			`define CMDEX_INS_protected_1 4'd2
8			`define CMDEX_INS_protected_2 4'd3
9
10
11
12			`dec_ready_one && { decoder[7:1], 1'b0 } == 8'h6C`
13			`CMD_INS
14			SET(dec_cmdex, `CMDEX_INS_real_1);
15			`IF(decoder[0] == 1'b0); SET(dec_is_8bit); ENDIF();`
16			`SET(consume_one);`
17			`SET(dec_is_complex);`
18
19
20
21
22			IF(`CMDEX_INS_real_1 && ~(io_allow_check_needed));
23			`CMDEX_INS_real_2
24			`CMDEX_INS_real_1
25			`ENDIF();`
26
27			IF(`CMDEX_INS_real_1 && io_allow_check_needed);
28			CALL(`CMDEX_io_allow_1);
29			`CMDEX_INS_protected_1
30			`ENDIF();`
31
32			IF(`CMDEX_INS_protected_1);
33			`CMDEX_INS_protected_2
34			`CMDEX_INS_protected_1
35			`ENDIF();`
36
37
38
39			IF(rd_cmd == `CMD_INS && (rd_cmdex == `CMDEX_INS_real_1 \|\| rd_cmdex == `CMDEX_INS_protected_1));
40
41			`SET(address_edi);`
42			`// waiting for edi in address_waiting`
43
44			`IF(rd_mutex_busy_ecx && rd_prefix_group_1_rep != 2'd0); SET(rd_waiting);`
45			`//waiting for ecx for rd_string_ignore`
46			`ELSE();`
47
48			IF(~(rd_string_ignore) && ~(io_allow_check_needed && rd_cmdex == `CMDEX_INS_real_1));
49			`// read value not saved`
50
51			`SET(read_rmw_virtual);`
52
53			`IF(~(read_for_rd_ready)); SET(rd_waiting); ENDIF();`
54			`ENDIF();`
55			`ENDIF();`
56			`ENDIF();`
57
58
59
60			IF(rd_cmd == `CMD_INS && (rd_cmdex == `CMDEX_INS_real_2 \|\| rd_cmdex == `CMDEX_INS_protected_2));
61
62			`SET(io_read_address, edx[15:0]);`
63
64			`IF(rd_mutex_busy_edx \|\| (rd_mutex_busy_ecx && rd_prefix_group_1_rep != 2'd0)); SET(rd_waiting);`
65			`//waiting for ecx for rd_string_ignore`
66			`ELSE();`
67
68			IF(~(rd_string_ignore) && ~(io_allow_check_needed && rd_cmdex == `CMDEX_INS_real_1));
69			`SET(rd_src_is_io);`
70
71			`SET(rd_req_edi);`
72			`SET(rd_req_memory);`
73
74			`//not needed -- reset after finish //IF(rd_prefix_group_1_rep != 2'd0); SET(rd_req_ecx); ENDIF();`
75
76			`SET(io_read);`
77
78			`IF(~(rd_io_ready)); SET(rd_waiting); ENDIF();`
79			`ENDIF();`
80			`ENDIF();`
81			`ENDIF();`
82
83
84
85			IF(exe_cmd == `CMD_INS);
86
87			`SET(exe_result_push, src);`
88
89			IF(exe_mutex_current[`MUTEX_EDX_BIT]); SET(exe_waiting);
90			`ELSE();`
91			`SET(exe_glob_param_1_set);`
92			`SET(exe_glob_param_1_value, { 16'd0, edx[15:0] }); //for CMD_io_allow`
93			`ENDIF();`
94			`ENDIF();`
95
96
97
98			IF(wr_cmd == `CMD_INS);
99
100			`// - rep && ignore`
101			`// - no rep`
102			`// - rep && finish`
103			`// - rep && not finish && not ignore`
104
105			IF(wr_cmdex == `CMDEX_INS_real_1 \|\| wr_cmdex == `CMDEX_INS_protected_1);
106			`SET(wr_not_finished);`
107			`ELSE();`
108			`IF(~(wr_string_ignore));`
109
110			`// no fault possible -- RMW read performed before`
111			`SET(write_string_es_virtual);`
112
113			`IF(~(write_for_wr_ready)); SET(wr_waiting);`
114			`ELSE();`
115			`SAVE(edi, wr_edi_final);`
116			`IF(wr_prefix_group_1_rep != 2'd0); SAVE(ecx, wr_ecx_final); ENDIF();`
117
118			`IF(wr_string_finish \|\| wr_prefix_group_1_rep == 2'd0);`
119			`SET(wr_req_reset_micro);`
120			`SET(wr_req_reset_rd);`
121			`SET(wr_req_reset_exe);`
122			`ELSE();`
123			`SET(wr_not_finished);`
124
125			`SET(wr_string_in_progress);`
126			`ENDIF();`
127			`ENDIF();`
128			`ENDIF();`
129
130			`IF(wr_string_ignore);`
131			`SET(wr_req_reset_micro);`
132			`SET(wr_req_reset_rd);`
133			`SET(wr_req_reset_exe);`
134			`ENDIF();`
135			`ENDIF();`
136			`ENDIF();`
137
138

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