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Diffstat (limited to 'src/input/libdvdnav/vmcmd.c')
-rw-r--r--src/input/libdvdnav/vmcmd.c209
1 files changed, 131 insertions, 78 deletions
diff --git a/src/input/libdvdnav/vmcmd.c b/src/input/libdvdnav/vmcmd.c
index 27b443b07..55c8e4a22 100644
--- a/src/input/libdvdnav/vmcmd.c
+++ b/src/input/libdvdnav/vmcmd.c
@@ -18,7 +18,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*
- * $Id: vmcmd.c,v 1.4 2003/03/29 13:19:09 mroi Exp $
+ * $Id: vmcmd.c,v 1.5 2003/04/07 18:10:52 mroi Exp $
*
*/
@@ -114,22 +114,26 @@ static const char *system_reg_abbr_table[] = {
NULL,
NULL,
};
-
+
static void print_system_reg(uint16_t reg) {
if(reg < sizeof(system_reg_abbr_table) / sizeof(char *))
- fprintf(MSG_OUT, " %s (SRPM:%d)", system_reg_table[reg], reg);
+ fprintf(MSG_OUT, "%s (SRPM:%d)", system_reg_table[reg], reg);
else
fprintf(MSG_OUT, " WARNING: Unknown system register ( reg=%d ) ", reg);
}
+static void print_g_reg(uint8_t reg) {
+ if(reg < 16)
+ fprintf(MSG_OUT, "g[%" PRIu8 "]", reg);
+ else
+ fprintf(MSG_OUT, " WARNING: Unknown general register ");
+}
+
static void print_reg(uint8_t reg) {
if(reg & 0x80)
print_system_reg(reg & 0x7f);
else
- if(reg < 16)
- fprintf(MSG_OUT, " g[%" PRIu8 "]", reg);
- else
- fprintf(MSG_OUT, " WARNING: Unknown general register ");
+ print_g_reg(reg & 0x7f);
}
static void print_cmp_op(uint8_t op) {
@@ -146,99 +150,133 @@ static void print_set_op(uint8_t op) {
fprintf(MSG_OUT, " WARNING: Unknown set op ");
}
-static void print_reg_or_data(command_t* command, int immediate, int byte) {
+static void print_reg_or_data(command_t* command, int immediate, int start) {
if(immediate) {
- int i = vm_getbits(command, (byte*8), 16);
+ int i = vm_getbits(command, start, 16);
fprintf(MSG_OUT, "0x%x", i);
if(isprint(i & 0xff) && isprint((i>>8) & 0xff))
fprintf(MSG_OUT, " (\"%c%c\")", (char)((i>>8) & 0xff), (char)(i & 0xff));
} else {
- print_reg(vm_getbits(command, ((byte + 1)*8), 8));
+ print_reg(vm_getbits(command, start - 8, 8));
}
}
-static void print_reg_or_data_2(command_t* command, int immediate, int byte) {
+static void print_reg_or_data_2(command_t* command, int immediate, int start) {
if(immediate)
- fprintf(MSG_OUT, "0x%x", vm_getbits(command, ((byte*8)+1), 7));
+ fprintf(MSG_OUT, "0x%x", vm_getbits(command, start - 1, 7));
else
- fprintf(MSG_OUT, "g[%" PRIu8 "]", vm_getbits(command, ((byte*8)+4), 4));
+ fprintf(MSG_OUT, "g[%" PRIu8 "]", vm_getbits(command, start - 4, 4));
}
+static void print_reg_or_data_3(command_t* command, int immediate, int start) {
+ if(immediate) {
+ int i = vm_getbits(command, start, 16);
+
+ fprintf(MSG_OUT, "0x%x", i);
+ if(isprint(i & 0xff) && isprint((i>>8) & 0xff))
+ fprintf(MSG_OUT, " (\"%c%c\")", (char)((i>>8) & 0xff), (char)(i & 0xff));
+ } else {
+ print_reg(vm_getbits(command, start, 8));
+ }
+}
+
+
static void print_if_version_1(command_t* command) {
- uint8_t op = vm_getbits(command, 9, 3);
+ uint8_t op = vm_getbits(command, 54, 3);
if(op) {
fprintf(MSG_OUT, "if (");
- print_reg(vm_getbits(command,24,8));
+ print_g_reg(vm_getbits(command,39,8));
print_cmp_op(op);
- print_reg_or_data(command, vm_getbits(command, 8,1), 4);
+ print_reg_or_data(command, vm_getbits(command, 55,1), 31);
fprintf(MSG_OUT, ") ");
}
}
static void print_if_version_2(command_t* command) {
- uint8_t op = vm_getbits(command, 9, 3);
+ uint8_t op = vm_getbits(command, 54, 3);
if(op) {
fprintf(MSG_OUT, "if (");
- print_reg(vm_getbits(command, 48, 8));
+ print_reg(vm_getbits(command, 15, 8));
print_cmp_op(op);
- print_reg(vm_getbits(command, 56, 8));
+ print_reg(vm_getbits(command, 7, 8));
fprintf(MSG_OUT, ") ");
}
}
static void print_if_version_3(command_t* command) {
- uint8_t op = vm_getbits(command, 9, 3);
+ uint8_t op = vm_getbits(command, 54, 3);
if(op) {
fprintf(MSG_OUT, "if (");
- print_reg(vm_getbits(command, 20, 4));
+ print_g_reg(vm_getbits(command, 43, 4));
print_cmp_op(op);
- print_reg_or_data(command, vm_getbits(command, 8, 1), 6);
+ print_reg_or_data(command, vm_getbits(command, 55, 1), 15);
fprintf(MSG_OUT, ") ");
}
}
static void print_if_version_4(command_t* command) {
- uint8_t op = vm_getbits(command, 9, 3);
-
+ uint8_t op = vm_getbits(command, 54, 3);
+
if(op) {
fprintf(MSG_OUT, "if (");
- print_reg(vm_getbits(command, 12, 4));
+ print_g_reg(vm_getbits(command, 51, 4));
print_cmp_op(op);
- print_reg_or_data(command, vm_getbits(command, 8, 1), 4);
+ print_reg_or_data(command, vm_getbits(command, 55, 1), 31);
fprintf(MSG_OUT, ") ");
}
}
+static void print_if_version_5(command_t* command) {
+ uint8_t op = vm_getbits(command, 54, 3);
+ int set_immediate = vm_getbits(command, 60, 1);
+
+ if(op) {
+ if (set_immediate) {
+ fprintf(MSG_OUT, "if (");
+ print_g_reg(vm_getbits(command, 31, 8));
+ print_cmp_op(op);
+ print_reg(vm_getbits(command, 23, 8));
+ fprintf(MSG_OUT, ") ");
+ } else {
+ fprintf(MSG_OUT, "if (");
+ print_g_reg(vm_getbits(command, 39, 8));
+ print_cmp_op(op);
+ print_reg_or_data(command, vm_getbits(command, 55, 1), 31);
+ fprintf(MSG_OUT, ") ");
+ }
+ }
+}
+
static void print_special_instruction(command_t* command) {
- uint8_t op = vm_getbits(command, 12, 4);
+ uint8_t op = vm_getbits(command, 51, 4);
switch(op) {
case 0: /* NOP */
fprintf(MSG_OUT, "Nop");
break;
case 1: /* Goto line */
- fprintf(MSG_OUT, "Goto %" PRIu8, vm_getbits(command, 56, 8));
+ fprintf(MSG_OUT, "Goto %" PRIu8, vm_getbits(command, 7, 8));
break;
case 2: /* Break */
fprintf(MSG_OUT, "Break");
break;
case 3: /* Parental level */
fprintf(MSG_OUT, "SetTmpPML %" PRIu8 ", Goto %" PRIu8,
- vm_getbits(command, 52, 4), vm_getbits(command, 56, 8));
+ vm_getbits(command, 11, 4), vm_getbits(command, 7, 8));
break;
default:
fprintf(MSG_OUT, "WARNING: Unknown special instruction (%i)",
- vm_getbits(command, 12, 4));
+ vm_getbits(command, 51, 4));
}
}
static void print_linksub_instruction(command_t* command) {
- int linkop = vm_getbits(command, 59, 5);
- int button = vm_getbits(command, 48, 6);
+ int linkop = vm_getbits(command, 7, 8);
+ int button = vm_getbits(command, 15, 6);
if(linkop < sizeof(link_table)/sizeof(char *) && link_table[linkop] != NULL)
fprintf(MSG_OUT, "%s (button %" PRIu8 ")", link_table[linkop], button);
@@ -247,7 +285,7 @@ static void print_linksub_instruction(command_t* command) {
}
static void print_link_instruction(command_t* command, int optional) {
- uint8_t op = vm_getbits(command, 12, 4);
+ uint8_t op = vm_getbits(command, 51, 4);
if(optional && op)
fprintf(MSG_OUT, ", ");
@@ -261,19 +299,19 @@ static void print_link_instruction(command_t* command, int optional) {
print_linksub_instruction(command);
break;
case 4:
- fprintf(MSG_OUT, "LinkPGCN %" PRIu16, vm_getbits(command, 49, 15));
+ fprintf(MSG_OUT, "LinkPGCN %" PRIu16, vm_getbits(command, 14, 15));
break;
case 5:
fprintf(MSG_OUT, "LinkPTT %" PRIu16 " (button %" PRIu8 ")",
- vm_getbits(command, 54, 10), vm_getbits(command, 48, 6));
+ vm_getbits(command, 9, 10), vm_getbits(command, 15, 6));
break;
case 6:
fprintf(MSG_OUT, "LinkPGN %" PRIu8 " (button %" PRIu8 ")",
- vm_getbits(command, 57, 7), vm_getbits(command, 48, 6));
+ vm_getbits(command, 6, 7), vm_getbits(command, 15, 6));
break;
case 7:
fprintf(MSG_OUT, "LinkCN %" PRIu8 " (button %" PRIu8 ")",
- vm_getbits(command, 56, 8), vm_getbits(command, 48, 6));
+ vm_getbits(command, 7, 8), vm_getbits(command, 15, 6));
break;
default:
fprintf(MSG_OUT, "WARNING: Unknown link instruction");
@@ -281,54 +319,54 @@ static void print_link_instruction(command_t* command, int optional) {
}
static void print_jump_instruction(command_t* command) {
- switch(vm_getbits(command, 12, 4)) {
+ switch(vm_getbits(command, 51, 4)) {
case 1:
fprintf(MSG_OUT, "Exit");
break;
case 2:
- fprintf(MSG_OUT, "JumpTT %" PRIu8, vm_getbits(command, 41, 7));
+ fprintf(MSG_OUT, "JumpTT %" PRIu8, vm_getbits(command, 22, 7));
break;
case 3:
- fprintf(MSG_OUT, "JumpVTS_TT %" PRIu8, vm_getbits(command, 41, 7));
+ fprintf(MSG_OUT, "JumpVTS_TT %" PRIu8, vm_getbits(command, 22, 7));
break;
case 5:
fprintf(MSG_OUT, "JumpVTS_PTT %" PRIu8 ":%" PRIu16,
- vm_getbits(command, 41, 7), vm_getbits(command, 22, 10));
+ vm_getbits(command, 22, 7), vm_getbits(command, 41, 10));
break;
case 6:
- switch(vm_getbits(command, 40, 2)) {
+ switch(vm_getbits(command, 23, 2)) {
case 0:
fprintf(MSG_OUT, "JumpSS FP");
break;
case 1:
- fprintf(MSG_OUT, "JumpSS VMGM (menu %" PRIu8 ")", vm_getbits(command, 44, 4));
+ fprintf(MSG_OUT, "JumpSS VMGM (menu %" PRIu8 ")", vm_getbits(command, 19, 4));
break;
case 2:
fprintf(MSG_OUT, "JumpSS VTSM (vts %" PRIu8 ", title %" PRIu8
- ", menu %" PRIu8 ")", vm_getbits(command, 32, 8), vm_getbits(command, 24, 8), vm_getbits(command, 44, 4));
+ ", menu %" PRIu8 ")", vm_getbits(command, 30, 7), vm_getbits(command, 38, 7), vm_getbits(command, 19, 4));
break;
case 3:
- fprintf(MSG_OUT, "JumpSS VMGM (pgc %" PRIu8 ")", vm_getbits(command, 17, 15));
+ fprintf(MSG_OUT, "JumpSS VMGM (pgc %" PRIu8 ")", vm_getbits(command, 46, 15));
break;
}
break;
case 8:
- switch(vm_getbits(command, 40, 2)) {
+ switch(vm_getbits(command, 23, 2)) {
case 0:
fprintf(MSG_OUT, "CallSS FP (rsm_cell %" PRIu8 ")",
- vm_getbits(command, 32, 8));
+ vm_getbits(command, 31, 8));
break;
case 1:
fprintf(MSG_OUT, "CallSS VMGM (menu %" PRIu8
- ", rsm_cell %" PRIu8 ")", vm_getbits(command, 44, 4), vm_getbits(command, 32, 8));
+ ", rsm_cell %" PRIu8 ")", vm_getbits(command, 19, 4), vm_getbits(command, 31, 8));
break;
case 2:
fprintf(MSG_OUT, "CallSS VTSM (menu %" PRIu8
- ", rsm_cell %" PRIu8 ")", vm_getbits(command, 44, 4), vm_getbits(command, 32, 8));
+ ", rsm_cell %" PRIu8 ")", vm_getbits(command, 19, 4), vm_getbits(command, 31, 8));
break;
case 3:
fprintf(MSG_OUT, "CallSS VMGM (pgc %" PRIu8 ", rsm_cell %" PRIu8 ")",
- vm_getbits(command, 17, 15), vm_getbits(command, 32, 8));
+ vm_getbits(command, 46, 15), vm_getbits(command, 31, 8));
break;
}
break;
@@ -339,14 +377,16 @@ static void print_jump_instruction(command_t* command) {
static void print_system_set(command_t* command) {
int i;
+/* FIXME: What about SPRM11 ? Karaoke */
+/* Surely there must be some system set command for that ? */
- switch(vm_getbits(command, 4, 4)) {
+ switch(vm_getbits(command, 59, 4)) {
case 1: /* Set system reg 1 &| 2 &| 3 (Audio, Subp. Angle) */
for(i = 1; i <= 3; i++) {
- if(vm_getbits(command, ((2+i)*8), 1)) {
+ if(vm_getbits(command, 47 - (i*8), 1)) {
print_system_reg(i);
fprintf(MSG_OUT, " = ");
- print_reg_or_data_2(command, vm_getbits(command, 3, 1), 2 + i);
+ print_reg_or_data_2(command, vm_getbits(command, 60, 1), 47 - (i*8) );
fprintf(MSG_OUT, " ");
}
}
@@ -354,59 +394,72 @@ static void print_system_set(command_t* command) {
case 2: /* Set system reg 9 & 10 (Navigation timer, Title PGC number) */
print_system_reg(9);
fprintf(MSG_OUT, " = ");
- print_reg_or_data(command, vm_getbits(command, 3, 1), 2);
+ print_reg_or_data(command, vm_getbits(command, 60, 1), 47);
fprintf(MSG_OUT, " ");
print_system_reg(10);
- fprintf(MSG_OUT, " = %" PRIu8, vm_getbits(command, 40, 8)); /* ?? */
+ fprintf(MSG_OUT, " = %" PRIu16, vm_getbits(command, 30, 15)); /* ?? */
break;
case 3: /* Mode: Counter / Register + Set */
fprintf(MSG_OUT, "SetMode ");
- if(vm_getbits(command, 40, 1))
+ if(vm_getbits(command, 23, 1))
fprintf(MSG_OUT, "Counter ");
else
fprintf(MSG_OUT, "Register ");
- print_reg(vm_getbits(command, 44, 4));
+ print_g_reg(vm_getbits(command, 19, 4));
print_set_op(0x1); /* '=' */
- print_reg_or_data(command, vm_getbits(command, 3, 1), 2);
+ print_reg_or_data(command, vm_getbits(command, 60, 1), 47);
break;
case 6: /* Set system reg 8 (Highlighted button) */
print_system_reg(8);
- if(vm_getbits(command, 3, 1)) /* immediate */
- fprintf(MSG_OUT, " = 0x%x (button no %d)", vm_getbits(command, 32, 16), vm_getbits(command, 32, 6));
+ if(vm_getbits(command, 60, 1)) /* immediate */
+ fprintf(MSG_OUT, " = 0x%x (button no %d)", vm_getbits(command, 31, 16), vm_getbits(command, 31, 6));
else
- fprintf(MSG_OUT, " = g[%" PRIu8 "]", vm_getbits(command, 44, 4));
+ fprintf(MSG_OUT, " = g[%" PRIu8 "]", vm_getbits(command, 19, 4));
break;
default:
fprintf(MSG_OUT, "WARNING: Unknown system set instruction (%i)",
- vm_getbits(command, 4, 4));
+ vm_getbits(command, 59, 4));
}
}
static void print_set_version_1(command_t* command) {
- uint8_t set_op = vm_getbits(command, 4, 4);
+ uint8_t set_op = vm_getbits(command, 59, 4);
if(set_op) {
- print_reg(vm_getbits(command, 24, 8)); /* FIXME: This is different from decoder.c!!! */
+ print_g_reg(vm_getbits(command, 35, 4));
print_set_op(set_op);
- print_reg_or_data(command, vm_getbits(command, 3, 1), 4);
+ print_reg_or_data(command, vm_getbits(command, 60, 1), 31);
} else {
fprintf(MSG_OUT, "NOP");
}
}
static void print_set_version_2(command_t* command) {
- uint8_t set_op = vm_getbits(command, 4, 4);
+ uint8_t set_op = vm_getbits(command, 59, 4);
+
+ if(set_op) {
+ print_g_reg(vm_getbits(command, 51, 4));
+ print_set_op(set_op);
+ print_reg_or_data(command, vm_getbits(command, 60, 1), 47);
+ } else {
+ fprintf(MSG_OUT, "NOP");
+ }
+}
+
+static void print_set_version_3(command_t* command) {
+ uint8_t set_op = vm_getbits(command, 59, 4);
if(set_op) {
- print_reg(vm_getbits(command, 12, 4));
+ print_g_reg(vm_getbits(command, 51, 4));
print_set_op(set_op);
- print_reg_or_data(command, vm_getbits(command, 3, 1), 2);
+ print_reg_or_data_3(command, vm_getbits(command, 60, 1), 47);
} else {
fprintf(MSG_OUT, "NOP");
}
}
-void vmPrint_mnemonic(vm_cmd_t *vm_command) {
+
+void vm_print_mnemonic(vm_cmd_t *vm_command) {
command_t command;
command.instruction =( (uint64_t) vm_command->bytes[0] << 56 ) |
( (uint64_t) vm_command->bytes[1] << 48 ) |
@@ -418,13 +471,13 @@ void vmPrint_mnemonic(vm_cmd_t *vm_command) {
(uint64_t) vm_command->bytes[7] ;
command.examined = 0;
- switch(vm_getbits(&command,0,3)) { /* three first bits */
+ switch(vm_getbits(&command,63,3)) { /* three first bits */
case 0: /* Special instructions */
print_if_version_1(&command);
print_special_instruction(&command);
break;
case 1: /* Jump/Call or Link instructions */
- if(vm_getbits(&command,3,1)) {
+ if(vm_getbits(&command,60,1)) {
print_if_version_2(&command);
print_jump_instruction(&command);
} else {
@@ -449,22 +502,22 @@ void vmPrint_mnemonic(vm_cmd_t *vm_command) {
print_linksub_instruction(&command);
break;
case 5: /* Compare -> (Set and LinkSub) instructions */
- print_if_version_4(&command);
+ print_if_version_5(&command);
fprintf(MSG_OUT, "{ ");
- print_set_version_2(&command);
+ print_set_version_3(&command);
fprintf(MSG_OUT, ", ");
print_linksub_instruction(&command);
fprintf(MSG_OUT, " }");
break;
case 6: /* Compare -> Set, always LinkSub instructions */
- print_if_version_4(&command);
+ print_if_version_5(&command);
fprintf(MSG_OUT, "{ ");
- print_set_version_2(&command);
+ print_set_version_3(&command);
fprintf(MSG_OUT, " } ");
print_linksub_instruction(&command);
break;
default:
- fprintf(MSG_OUT, "WARNING: Unknown instruction type (%i)", vm_getbits(&command, 0, 3));
+ fprintf(MSG_OUT, "WARNING: Unknown instruction type (%i)", vm_getbits(&command, 63, 3));
}
/* Check if there still are bits set that were not examined */
@@ -475,7 +528,7 @@ void vmPrint_mnemonic(vm_cmd_t *vm_command) {
}
}
-void vmPrint_CMD(int row, vm_cmd_t *vm_command) {
+void vm_print_cmd(int row, vm_cmd_t *vm_command) {
int i;
fprintf(MSG_OUT, "(%03d) ", row + 1);
@@ -483,7 +536,7 @@ void vmPrint_CMD(int row, vm_cmd_t *vm_command) {
fprintf(MSG_OUT, "%02x ", vm_command->bytes[i]);
fprintf(MSG_OUT, "| ");
- vmPrint_mnemonic(vm_command);
+ vm_print_mnemonic(vm_command);
fprintf(MSG_OUT, "\n");
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-01 01:33:16 +0000