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along with this program; if not, write to the Free Software
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* Simulator configuration. Eventually this one will be a lot bigger. */
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/* Simulator configuration. Eventually this one will be a lot bigger. */
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#include <stdio.h>
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#include "sim-config.h"
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#include "sim-config.h"
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#include "abstract.h"
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#include "abstract.h"
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#include "spr_defs.h"
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struct config config;
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struct config config;
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void init_defconfig()
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void init_defconfig()
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{
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{
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printf("Machine initialization...\n");
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unsigned long val;
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memset(&config, 0, sizeof(config));
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memset(&config, 0, sizeof(config));
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config.dc.tagtype = VIRTUAL;
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config.dc.tagtype = VIRTUAL;
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printf("Data cache tag: %s\n", config.dc.tagtype == VIRTUAL ? "virtual" : "physical");
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config.ic.tagtype = VIRTUAL;
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config.ic.tagtype = VIRTUAL;
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printf("Insn cache tag: %s\n", config.ic.tagtype == VIRTUAL ? "virtual" : "physical");
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config.bp.bpb_sim = 1;
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config.bp.btic_sim = 1;
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config.clkcycle_ns = 4; /* 4 for 4ns (250MHz) */
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config.clkcycle_ns = 4; /* 4 for 4ns (250MHz) */
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printf("Clock cycle: %d ns\n", config.clkcycle_ns);
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config.uarts[0].rxfile = "/tmp/uart0.rx";
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config.uarts[0].rxfile = "/tmp/uart0.rx";
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config.uarts[0].txfile = "/tmp/uart0.tx";
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config.uarts[0].txfile = "/tmp/uart0.tx";
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config.uarts[0].baseaddr = 0x80000000;
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config.uarts[0].baseaddr = 0x80000000;
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config.ram.startaddr = MEMORY_START;
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config.ram.startaddr = MEMORY_START;
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config.ram.endaddr = MEMORY_START + MEMORY_LEN;
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config.ram.endaddr = MEMORY_START + MEMORY_LEN;
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config.simdebug = 0;
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config.iprompt = 0;
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config.dependstats = 1;
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config.dependency = 1;
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config.history = 1;
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config.superscalar = 1;
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config.slp = 1;
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mtspr(SPR_VR, SPR_VR_VER & 0x1200);
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val = SPR_UPR_UP | SPR_UPR_DCP | SPR_UPR_ICP | SPR_UPR_DMP |
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SPR_UPR_IMP | SPR_UPR_OB32P | SPR_UPR_DUP | SPR_UPR_PICP |
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SPR_UPR_PMP | SPR_UPR_TTP;
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mtspr(SPR_UPR, val);
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}
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int parse_args(int argc, char *argv[])
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{
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unsigned long val;
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argv++; argc--;
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while (argc) {
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if (argc && (*argv[0] != '-'))
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return 0;
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if (strcmp(*argv, "-i") == 0) {
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config.iprompt = 1;
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argv++; argc--;
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} else
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if (strcmp(*argv, "-v") == 0) {
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version();
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exit(0);
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} else
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if (strcmp(*argv, "-bpb") == 0) {
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config.bp.bpb_sim = 0;
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argv++; argc--;
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} else
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if (strcmp(*argv, "-hazards") == 0) {
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config.dependstats = 0;
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config.dependency = 0;
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argv++; argc--;
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} else
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if (strcmp(*argv, "-history") == 0) {
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config.history = 0;
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argv++; argc--;
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} else
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if (strcmp(*argv, "-superscalar") == 0) {
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config.superscalar = 0;
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argv++; argc--;
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} else
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if (strcmp(*argv, "-fast") == 0) {
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config.superscalar = 0;
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config.history = 0;
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config.dependstats = 0;
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config.dependency = 0;
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config.bp.bpb_sim = 0;
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config.bp.btic_sim = 0;
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config.slp = 0;
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argv++; argc--;
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} else
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if (strcmp(*argv, "-btic") == 0) {
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config.bp.btic_sim = 0;
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argv++; argc--;
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} else
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if (strcmp(*argv, "-upr") == 0) {
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argv++; argc--;
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val = strtoul(*argv, NULL, 0);
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mtspr(SPR_UPR, val);
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argv++; argc--;
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} else
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if (strcmp(*argv, "-ver") == 0) {
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argv++; argc--;
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val = strtoul(*argv, NULL, 0);
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setsprbits(SPR_VR, SPR_VR_VER, val);
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argv++; argc--;
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} else
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if (strcmp(*argv, "-rev") == 0) {
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argv++; argc--;
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val = strtoul(*argv, NULL, 0);
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setsprbits(SPR_VR, SPR_VR_REV, val);
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argv++; argc--;
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} else {
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printf("Unknown option: %s\n", *argv);
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return 1;
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}
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}
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if (!argc)
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return 0;
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return 0;
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}
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void print_config()
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{
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printf("Machine initialization...\n");
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if (getsprbits(SPR_UPR, SPR_UPR_DCP))
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printf("Data cache tag: %s\n", config.dc.tagtype == VIRTUAL ? "virtual" : "physical");
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else
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printf("No data cache.\n");
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if (getsprbits(SPR_UPR, SPR_UPR_ICP))
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printf("Insn cache tag: %s\n", config.ic.tagtype == VIRTUAL ? "virtual" : "physical");
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else
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printf("No instruction cache.\n");
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if (config.bp.bpb_sim)
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printf("BPB simulation on.\n");
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else
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printf("BPB simulation off.\n");
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if (config.bp.btic_sim)
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printf("BTIC simulation on.\n");
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else
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printf("BTIC simulation off.\n");
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printf("Clock cycle: %d ns\n", config.clkcycle_ns);
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printf("RAM: 0x%x to ", config.ram.startaddr);
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printf("RAM: 0x%x to ", config.ram.startaddr);
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printf("0x%x (", config.ram.endaddr);
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printf("0x%x (", config.ram.endaddr);
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printf("%d KB)\n\n", (config.ram.endaddr - config.ram.startaddr) / 1024);
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printf("%d KB)\n\n", (config.ram.endaddr - config.ram.startaddr) / 1024);
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config.simdebug = 0;
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if (config.simdebug)
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printf("simdebug off\n");
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printf("simdebug on, ");
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else
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printf("simdebug off, ");
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if (config.iprompt)
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printf("interactive prompt on\n");
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else
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printf("interactive prompt off\n");
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}
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}
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No newline at end of file
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No newline at end of file
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