| Line 49... |
Line 49... |
#include "gdbcomm.h"
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#include "gdbcomm.h"
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#include "debug_unit.h"
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#include "debug_unit.h"
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#include "coff.h"
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#include "coff.h"
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/* CVS revision number. */
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/* CVS revision number. */
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const char rcsrev[] = "$Revision: 1.57 $";
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const char rcsrev[] = "$Revision: 1.58 $";
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/* Continuos run versus single step tracing switch. */
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/* Continuos run versus single step tracing switch. */
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int cont_run;
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int cont_run;
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/* History of execution */
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/* History of execution */
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| Line 125... |
Line 125... |
help()
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help()
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{
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{
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printf("q - quit simulator\n");
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printf("q - quit simulator\n");
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printf("r - display all registers\n");
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printf("r - display all registers\n");
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printf("t - execute next instruction\n");
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printf("t - execute next instruction\n");
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printf("run <cycles> [<hush>] - execute <cycles> instructions, no reg dump if hush\n");
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printf("run <instructions> [<hush>] - execute <instruction> instructions, no reg dump if hush\n");
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printf("pr <r> <value> - patch register <r> with <value>\n");
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printf("pr <r> <value> - patch register <r> with <value>\n");
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printf("dm <fromaddr> [<toaddr>] - display memory from <fromaddr> to <toaddr>\n");
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printf("dm <fromaddr> [<toaddr>] - display memory from <fromaddr> to <toaddr>\n");
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printf("de <fromaddr> [<toaddr>] - debug insn memory\n");
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printf("de <fromaddr> [<toaddr>] - debug insn memory\n");
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printf("pm <addr> <value> - patch memory location <addr> with <value>\n");
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printf("pm <addr> <value> - patch memory location <addr> with <value>\n");
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printf("pc <value> - patch PC register with <value>\n");
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printf("pc <value> - patch PC register with <value>\n");
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| Line 282... |
Line 282... |
}
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}
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/* Display info about various modules */
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/* Display info about various modules */
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void sim_info () {
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void sim_info () {
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sprs_status();
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sprs_status();
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printf ("\n");
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memory_table_status ();
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memory_table_status ();
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itlb_status(-1);
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if (config.immu.enabled) itlb_status(-1);
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dtlb_status(-1);
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if (config.dmmu.enabled) dtlb_status(-1);
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ic_info();
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if (config.ic.enabled) ic_info();
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dc_info();
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if (config.dc.enabled) dc_info();
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if (config.cpu.bpb) bpb_info();
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if (config.cpu.bpb) bpb_info();
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if (config.cpu.btic) btic_info();
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if (config.cpu.btic) btic_info();
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if (config.uarts_enabled) uart_status();
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if (config.uarts_enabled) uart_status();
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if (config.dmas_enabled) dma_status();
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if (config.dmas_enabled) dma_status();
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if (config.ethernets_enabled) eth_status();
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if (config.ethernets_enabled) eth_status();
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if (config.gpios_enabled) gpio_status();
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if (config.gpios_enabled) gpio_status();
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}
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}
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| Line 603... |
Line 605... |
printf("%s: Unknown command.\n", linestr);
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printf("%s: Unknown command.\n", linestr);
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|
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/* MM: 'run -1' means endless execution. */
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/* MM: 'run -1' means endless execution. */
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while(cont_run != 0) {
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while(cont_run != 0) {
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int debug_slowdown = DEBUG_SLOWDOWN;
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int debug_slowdown = DEBUG_SLOWDOWN;
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extern int cycle_delay; /* Added by CZ 27/05/01. Set during exception. */
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if (cpu_stalled) {
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if (cpu_stalled) {
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printf ("!");
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printf ("!");
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if(GDB_ENABLED) {
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if(GDB_ENABLED) {
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BlockJTAG();
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BlockJTAG();
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| Line 617... |
Line 618... |
continue;
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continue;
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}
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}
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if (!testsprbits(SPR_PMR, SPR_PMR_DME | SPR_PMR_SME)) {
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if (!testsprbits(SPR_PMR, SPR_PMR_DME | SPR_PMR_SME)) {
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pic_clock();
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pic_clock();
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if(cycle_delay <= 0) {
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if (cont_run > 0) cont_run--;
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if (cont_run > 0) cont_run--;
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if(fetch()) {
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if(fetch()) {
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printf ("Breakpoint hit.\n");
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printf ("Breakpoint hit.\n");
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cont_run = 0; /* memory breakpoint encountered */
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cont_run = 0; /* memory breakpoint encountered */
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break;
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break;
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}
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}
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|
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decode_execute(&iqueue[0]);
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decode_execute(&iqueue[0]);
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update_pc();
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update_pc();
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analysis();
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analysis();
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if (!hush)
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if (!hush)
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dumpreg();
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dumpreg();
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} else
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cycle_delay--;
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dc_clock();
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dc_clock();
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ic_clock();
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ic_clock();
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if (!testsprbits(SPR_PMR, SPR_PMR_SME)) tick_clock();
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if (!testsprbits(SPR_PMR, SPR_PMR_SME)) tick_clock();
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}
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}
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