/[dynamips]/trunk/dev_c2691.c
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upstream/dynamips-0.2.6-RC5/dev_c2691.c revision 6 by dpavlin, Sat Oct 6 16:09:07 2007 UTC upstream/dynamips-0.2.7/dev_c2691.c revision 10 by dpavlin, Sat Oct 6 16:29:14 2007 UTC
# Line 1  Line 1 
1  /*  /*
2   * Cisco 2691 simulation platform.   * Cisco router simulation platform.
3   * Copyright (c) 2006 Christophe Fillot (cf@utc.fr)   * Copyright (c) 2006 Christophe Fillot (cf@utc.fr)
4   *   *
5   * Generic Cisco 2691 routines and definitions (EEPROM,...).   * Generic Cisco 2691 routines and definitions (EEPROM,...).
# Line 12  Line 12 
12  #include <sys/types.h>  #include <sys/types.h>
13  #include <assert.h>  #include <assert.h>
14    
15  #include "mips64.h"  #include "cpu.h"
16    #include "vm.h"
17  #include "dynamips.h"  #include "dynamips.h"
18  #include "memory.h"  #include "memory.h"
19  #include "device.h"  #include "device.h"
20  #include "pci_io.h"  #include "pci_io.h"
21  #include "dev_gt.h"  #include "dev_gt.h"
22  #include "cisco_eeprom.h"  #include "cisco_eeprom.h"
23    #include "dev_rom.h"
24  #include "dev_c2691.h"  #include "dev_c2691.h"
25    #include "dev_c2691_iofpga.h"
26  #include "dev_vtty.h"  #include "dev_vtty.h"
27  #include "registry.h"  #include "registry.h"
28    
# Line 328  void c2691_save_config_all(FILE *fd) Line 331  void c2691_save_config_all(FILE *fd)
331     registry_foreach_type(OBJ_TYPE_VM,c2691_reg_save_config,fd,NULL);     registry_foreach_type(OBJ_TYPE_VM,c2691_reg_save_config,fd,NULL);
332  }  }
333    
334    /* Get slot/port corresponding to specified network IRQ */
335    static inline void
336    c2691_net_irq_get_slot_port(u_int irq,u_int *slot,u_int *port)
337    {
338       irq -= C2691_NETIO_IRQ_BASE;
339       *port = irq & C2691_NETIO_IRQ_PORT_MASK;
340       *slot = irq >> C2691_NETIO_IRQ_PORT_BITS;
341    }
342    
343    /* Get network IRQ for specified slot/port */
344    u_int c2691_net_irq_for_slot_port(u_int slot,u_int port)
345    {
346       u_int irq;
347    
348       irq = (slot << C2691_NETIO_IRQ_PORT_BITS) + port;
349       irq += C2691_NETIO_IRQ_BASE;
350    
351       return(irq);
352    }
353    
354  /* Set NM EEPROM definition */  /* Set NM EEPROM definition */
355  int c2691_nm_set_eeprom(c2691_t *router,u_int nm_bay,  int c2691_nm_set_eeprom(c2691_t *router,u_int nm_bay,
356                          const struct cisco_eeprom *eeprom)                          const struct cisco_eeprom *eeprom)
# Line 684  int c2691_nm_init(c2691_t *router,u_int Line 707  int c2691_nm_init(c2691_t *router,u_int
707     snprintf(bay->dev_name,len,"%s(%u)",bay->dev_type,nm_bay);     snprintf(bay->dev_name,len,"%s(%u)",bay->dev_type,nm_bay);
708    
709     /* Initialize NM driver */     /* Initialize NM driver */
710     if (bay->nm_driver->nm_init(router,bay->dev_name,nm_bay) == 1) {     if (bay->nm_driver->nm_init(router,bay->dev_name,nm_bay) == -1) {
711        vm_error(router->vm,"unable to initialize NM %u.\n",nm_bay);        vm_error(router->vm,"unable to initialize NM %u.\n",nm_bay);
712        return(-1);        return(-1);
713     }     }
# Line 1007  static int c2691_init_gt96100(c2691_t *r Line 1030  static int c2691_init_gt96100(c2691_t *r
1030     }     }
1031        
1032     return(dev_gt96100_init(vm,"gt96100",C2691_GT96K_ADDR,0x200000,     return(dev_gt96100_init(vm,"gt96100",C2691_GT96K_ADDR,0x200000,
1033                             C2691_GT96K_IRQ,C2691_NETIO_IRQ));                             C2691_GT96K_IRQ,c2691_net_irq_for_slot_port(0,0)));
1034  }  }
1035    
1036  /* Initialize a Cisco 2691 */  /* Initialize a Cisco 2691 */
# Line 1016  static int c2691_init(c2691_t *router) Line 1039  static int c2691_init(c2691_t *router)
1039     vm_instance_t *vm = router->vm;     vm_instance_t *vm = router->vm;
1040    
1041     /* Set the processor type: R7000 */     /* Set the processor type: R7000 */
1042     mips64_set_prid(vm->boot_cpu,MIPS_PRID_R7000);     mips64_set_prid(CPU_MIPS64(vm->boot_cpu),MIPS_PRID_R7000);
1043    
1044     /* Initialize the Galileo GT-96100 PCI controller */     /* Initialize the Galileo GT-96100 PCI controller */
1045     if (c2691_init_gt96100(router) == -1)     if (c2691_init_gt96100(router) == -1)
# Line 1091  void c2691_init_defaults(c2691_t *router Line 1114  void c2691_init_defaults(c2691_t *router
1114  /* Initialize the C2691 Platform */  /* Initialize the C2691 Platform */
1115  int c2691_init_platform(c2691_t *router)  int c2691_init_platform(c2691_t *router)
1116  {  {
    extern m_uint8_t microcode[];  
    extern ssize_t microcode_len;  
1117     vm_instance_t *vm = router->vm;     vm_instance_t *vm = router->vm;
1118     struct c2691_nm_bay *nm_bay;     struct c2691_nm_bay *nm_bay;
1119     cpu_mips_t *cpu;     cpu_mips_t *cpu;
1120       cpu_gen_t *gen;
1121     vm_obj_t *obj;     vm_obj_t *obj;
1122     int i;     int i;
1123    
# Line 1109  int c2691_init_platform(c2691_t *router) Line 1131  int c2691_init_platform(c2691_t *router)
1131     vm->cpu_group = cpu_group_create("System CPU");     vm->cpu_group = cpu_group_create("System CPU");
1132    
1133     /* Initialize the virtual MIPS processor */     /* Initialize the virtual MIPS processor */
1134     if (!(cpu = cpu_create(vm,0))) {     if (!(gen = cpu_create(vm,CPU_TYPE_MIPS64,0))) {
1135        vm_error(vm,"unable to create CPU!\n");        vm_error(vm,"unable to create CPU!\n");
1136        return(-1);        return(-1);
1137     }     }
1138    
1139       cpu = CPU_MIPS64(gen);
1140    
1141     /* Add this CPU to the system CPU group */     /* Add this CPU to the system CPU group */
1142     cpu_group_add(vm->cpu_group,cpu);     cpu_group_add(vm->cpu_group,gen);
1143     vm->boot_cpu = cpu;     vm->boot_cpu = gen;
1144    
1145       /* Initialize the IRQ routing vectors */
1146       vm->set_irq = mips64_vm_set_irq;
1147       vm->clear_irq = mips64_vm_clear_irq;
1148    
1149     /* Mark the Network IO interrupt as high priority */     /* Mark the Network IO interrupt as high priority */
1150     cpu->irq_idle_preempt[C2691_NETIO_IRQ] = TRUE;     cpu->irq_idle_preempt[C2691_NETIO_IRQ] = TRUE;
# Line 1133  int c2691_init_platform(c2691_t *router) Line 1161  int c2691_init_platform(c2691_t *router)
1161     dev_remote_control_init(vm,0x16000000,0x1000);     dev_remote_control_init(vm,0x16000000,0x1000);
1162    
1163     /* Specific Storage Area (SSA) */     /* Specific Storage Area (SSA) */
1164     dev_ram_init(vm,"ssa",TRUE,FALSE,NULL,0x16001000ULL,0x7000);     dev_ram_init(vm,"ssa",TRUE,FALSE,NULL,FALSE,0x16001000ULL,0x7000);
1165    
1166     /* IO FPGA */     /* IO FPGA */
1167     if (dev_c2691_iofpga_init(router,C2691_IOFPGA_ADDR,0x40000) == -1)     if (dev_c2691_iofpga_init(router,C2691_IOFPGA_ADDR,0x40000) == -1)
1168        return(-1);        return(-1);
1169    
1170       if (!(obj = vm_object_find(router->vm,"io_fpga")))
1171          return(-1);
1172    
1173       router->iofpga_data = obj->data;
1174    
1175  #if 0  #if 0
1176     /* PCI IO space */     /* PCI IO space */
1177     if (!(vm->pci_io_space = pci_io_data_init(vm,C2691_PCI_IO_ADDR)))     if (!(vm->pci_io_space = pci_io_data_init(vm,C2691_PCI_IO_ADDR)))
# Line 1156  int c2691_init_platform(c2691_t *router) Line 1189  int c2691_init_platform(c2691_t *router)
1189     if (!(obj = dev_flash_init(vm,"rom",C2691_ROM_ADDR,vm->rom_size*1048576)))     if (!(obj = dev_flash_init(vm,"rom",C2691_ROM_ADDR,vm->rom_size*1048576)))
1190        return(-1);        return(-1);
1191    
1192     dev_flash_copy_data(obj,0,microcode,microcode_len);     dev_flash_copy_data(obj,0,mips64_microcode,mips64_microcode_len);
1193     c2691_nvram_check_empty_config(vm);     c2691_nvram_check_empty_config(vm);
1194    
1195     /* Initialize the NS16552 DUART */     /* Initialize the NS16552 DUART */
# Line 1197  int c2691_init_platform(c2691_t *router) Line 1230  int c2691_init_platform(c2691_t *router)
1230  int c2691_boot_ios(c2691_t *router)  int c2691_boot_ios(c2691_t *router)
1231  {    {  
1232     vm_instance_t *vm = router->vm;     vm_instance_t *vm = router->vm;
1233       cpu_mips_t *cpu;
1234    
1235     if (!vm->boot_cpu)     if (!vm->boot_cpu)
1236        return(-1);        return(-1);
# Line 1211  int c2691_boot_ios(c2691_t *router) Line 1245  int c2691_boot_ios(c2691_t *router)
1245     }     }
1246    
1247     /* Reset the boot CPU */     /* Reset the boot CPU */
1248     mips64_reset(vm->boot_cpu);     cpu = CPU_MIPS64(vm->boot_cpu);
1249       mips64_reset(cpu);
1250    
1251     /* Load IOS image */     /* Load IOS image */
1252     if (mips64_load_elf_image(vm->boot_cpu,vm->ios_image,     if (mips64_load_elf_image(cpu,vm->ios_image,
1253                               (vm->ghost_status == VM_GHOST_RAM_USE),                               (vm->ghost_status == VM_GHOST_RAM_USE),
1254                               &vm->ios_entry_point) < 0)                               &vm->ios_entry_point) < 0)
1255     {     {
# Line 1225  int c2691_boot_ios(c2691_t *router) Line 1260  int c2691_boot_ios(c2691_t *router)
1260     /* Launch the simulation */     /* Launch the simulation */
1261     printf("\nC2691 '%s': starting simulation (CPU0 PC=0x%llx), "     printf("\nC2691 '%s': starting simulation (CPU0 PC=0x%llx), "
1262            "JIT %sabled.\n",            "JIT %sabled.\n",
1263            vm->name,vm->boot_cpu->pc,vm->jit_use ? "en":"dis");            vm->name,cpu->pc,vm->jit_use ? "en":"dis");
1264    
1265     vm_log(vm,"C2691_BOOT",     vm_log(vm,"C2691_BOOT",
1266            "starting instance (CPU0 PC=0x%llx,idle_pc=0x%llx,JIT %s)\n",            "starting instance (CPU0 PC=0x%llx,idle_pc=0x%llx,JIT %s)\n",
1267            vm->boot_cpu->pc,vm->boot_cpu->idle_pc,vm->jit_use ? "on":"off");            cpu->pc,cpu->idle_pc,vm->jit_use ? "on":"off");
1268    
1269     /* Start main CPU */     /* Start main CPU */
1270     if (vm->ghost_status != VM_GHOST_RAM_GENERATE) {     if (vm->ghost_status != VM_GHOST_RAM_GENERATE) {
# Line 1241  int c2691_boot_ios(c2691_t *router) Line 1276  int c2691_boot_ios(c2691_t *router)
1276     return(0);     return(0);
1277  }  }
1278    
1279    /* Set an IRQ */
1280    static void c2691_set_irq(vm_instance_t *vm,u_int irq)
1281    {
1282       c2691_t *router = VM_C2691(vm);
1283       cpu_mips_t *cpu0 = CPU_MIPS64(vm->boot_cpu);
1284       u_int slot,port;
1285    
1286       switch(irq) {
1287          case 0 ... 7:
1288             mips64_set_irq(cpu0,irq);
1289    
1290             if (cpu0->irq_idle_preempt[irq])
1291                cpu_idle_break_wait(cpu0->gen);
1292             break;
1293    
1294          case C2691_NETIO_IRQ_BASE ... C2691_NETIO_IRQ_END:
1295             c2691_net_irq_get_slot_port(irq,&slot,&port);
1296             dev_c2691_iofpga_net_set_irq(router->iofpga_data,slot,port);
1297             break;
1298       }
1299    }
1300    
1301    /* Clear an IRQ */
1302    static void c2691_clear_irq(vm_instance_t *vm,u_int irq)
1303    {
1304       c2691_t *router = VM_C2691(vm);
1305       cpu_mips_t *cpu0 = CPU_MIPS64(vm->boot_cpu);
1306       u_int slot,port;
1307    
1308       switch(irq) {
1309          case 0 ... 7:
1310             mips64_clear_irq(cpu0,irq);
1311             break;
1312    
1313          case C2691_NETIO_IRQ_BASE ... C2691_NETIO_IRQ_END:
1314             c2691_net_irq_get_slot_port(irq,&slot,&port);
1315             dev_c2691_iofpga_net_clear_irq(router->iofpga_data,slot,port);
1316             break;
1317       }
1318    }
1319    
1320  /* Initialize a Cisco 2691 instance */  /* Initialize a Cisco 2691 instance */
1321  int c2691_init_instance(c2691_t *router)  int c2691_init_instance(c2691_t *router)
1322  {    {  
# Line 1259  int c2691_init_instance(c2691_t *router) Line 1335  int c2691_init_instance(c2691_t *router)
1335        return(-1);        return(-1);
1336     }     }
1337    
1338       /* IRQ routing */
1339       vm->set_irq = c2691_set_irq;
1340       vm->clear_irq = c2691_clear_irq;
1341    
1342     /* Load IOS configuration file */     /* Load IOS configuration file */
1343     if (vm->ios_config != NULL) {     if (vm->ios_config != NULL) {
1344        vm_nvram_push_config(vm,vm->ios_config);        vm_nvram_push_config(vm,vm->ios_config);
# Line 1266  int c2691_init_instance(c2691_t *router) Line 1346  int c2691_init_instance(c2691_t *router)
1346     }     }
1347    
1348     /* Load ROM (ELF image or embedded) */     /* Load ROM (ELF image or embedded) */
1349     cpu0 = vm->boot_cpu;     cpu0 = CPU_MIPS64(vm->boot_cpu);
1350     rom_entry_point = (m_uint32_t)MIPS_ROM_PC;     rom_entry_point = (m_uint32_t)MIPS_ROM_PC;
1351    
1352     if ((vm->rom_filename != NULL) &&     if ((vm->rom_filename != NULL) &&
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