1 |
/* |
/* |
2 |
* Cisco 7200 (Predator) 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 |
* Hypervisor routines for VM debugging. |
* Hypervisor routines for VM debugging. |
23 |
#include <arpa/inet.h> |
#include <arpa/inet.h> |
24 |
#include <pthread.h> |
#include <pthread.h> |
25 |
|
|
26 |
#include "mips64.h" |
#include "cpu.h" |
27 |
#include "cp0.h" |
#include "vm.h" |
28 |
#include "dynamips.h" |
#include "dynamips.h" |
29 |
#include "device.h" |
#include "device.h" |
30 |
#include "dev_c7200.h" |
#include "dev_c7200.h" |
37 |
static int cmd_show_cpu_regs(hypervisor_conn_t *conn,int argc,char *argv[]) |
static int cmd_show_cpu_regs(hypervisor_conn_t *conn,int argc,char *argv[]) |
38 |
{ |
{ |
39 |
vm_instance_t *vm; |
vm_instance_t *vm; |
40 |
cpu_mips_t *cpu; |
cpu_gen_t *cpu; |
41 |
|
|
42 |
if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
43 |
return(-1); |
return(-1); |
44 |
|
|
45 |
if ((cpu = cpu_group_find_id(vm->cpu_group,atoi(argv[1]))) != NULL) |
if ((cpu = cpu_group_find_id(vm->cpu_group,atoi(argv[1]))) != NULL) |
46 |
mips64_dump_regs(cpu); |
cpu->reg_dump(cpu); |
47 |
|
|
48 |
vm_release(vm); |
vm_release(vm); |
49 |
hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
50 |
return(0); |
return(0); |
51 |
} |
} |
52 |
|
|
53 |
/* Show CPU TLB */ |
/* Show CPU MMU info */ |
54 |
static int cmd_show_cpu_tlb(hypervisor_conn_t *conn,int argc,char *argv[]) |
static int cmd_show_cpu_mmu(hypervisor_conn_t *conn,int argc,char *argv[]) |
55 |
{ |
{ |
56 |
vm_instance_t *vm; |
vm_instance_t *vm; |
57 |
cpu_mips_t *cpu; |
cpu_gen_t *cpu; |
58 |
|
|
59 |
if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
60 |
return(-1); |
return(-1); |
61 |
|
|
62 |
if ((cpu = cpu_group_find_id(vm->cpu_group,atoi(argv[1]))) != NULL) |
if ((cpu = cpu_group_find_id(vm->cpu_group,atoi(argv[1]))) != NULL) |
63 |
tlb_dump(cpu); |
cpu->mmu_dump(cpu); |
64 |
|
|
65 |
vm_release(vm); |
vm_release(vm); |
66 |
hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
67 |
return(0); |
return(0); |
68 |
} |
} |
69 |
|
|
70 |
/* Set a CPU register*/ |
/* Set a CPU register */ |
71 |
static int cmd_set_cpu_reg(hypervisor_conn_t *conn,int argc,char *argv[]) |
static int cmd_set_cpu_reg(hypervisor_conn_t *conn,int argc,char *argv[]) |
72 |
{ |
{ |
73 |
vm_instance_t *vm; |
vm_instance_t *vm; |
74 |
cpu_mips_t *cpu; |
cpu_gen_t *cpu; |
75 |
int reg_index; |
int reg_index; |
76 |
|
|
77 |
if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
78 |
return(-1); |
return(-1); |
79 |
|
|
80 |
cpu = cpu_group_find_id(vm->cpu_group,atoi(argv[1])); |
cpu = cpu_group_find_id(vm->cpu_group,atoi(argv[1])); |
81 |
reg_index = cp0_get_reg_index(argv[2]); |
reg_index = atoi(argv[2]); |
82 |
|
|
83 |
if (!cpu || (reg_index < 1)) { |
if (!cpu || (reg_index < 1)) { |
84 |
vm_release(vm); |
vm_release(vm); |
87 |
} |
} |
88 |
|
|
89 |
/* Set register value */ |
/* Set register value */ |
90 |
cpu->gpr[reg_index] = strtoull(argv[3],NULL,0); |
cpu->reg_set(cpu,reg_index,strtoull(argv[3],NULL,0)); |
91 |
|
|
92 |
vm_release(vm); |
vm_release(vm); |
93 |
hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
99 |
int argc,char *argv[]) |
int argc,char *argv[]) |
100 |
{ |
{ |
101 |
vm_instance_t *vm; |
vm_instance_t *vm; |
102 |
cpu_mips_t *cpu; |
cpu_gen_t *cpu; |
103 |
m_uint64_t addr; |
m_uint64_t addr; |
104 |
|
|
105 |
if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
112 |
} |
} |
113 |
|
|
114 |
addr = strtoull(argv[2],NULL,0); |
addr = strtoull(argv[2],NULL,0); |
115 |
mips64_add_breakpoint(cpu,addr); |
cpu->add_breakpoint(cpu,addr); |
116 |
|
|
117 |
vm_release(vm); |
vm_release(vm); |
118 |
hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
124 |
int argc,char *argv[]) |
int argc,char *argv[]) |
125 |
{ |
{ |
126 |
vm_instance_t *vm; |
vm_instance_t *vm; |
127 |
cpu_mips_t *cpu; |
cpu_gen_t *cpu; |
128 |
m_uint64_t addr; |
m_uint64_t addr; |
129 |
|
|
130 |
if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
137 |
} |
} |
138 |
|
|
139 |
addr = strtoull(argv[2],NULL,0); |
addr = strtoull(argv[2],NULL,0); |
140 |
mips64_remove_breakpoint(cpu,addr); |
cpu->remove_breakpoint(cpu,addr); |
141 |
|
|
142 |
vm_release(vm); |
vm_release(vm); |
143 |
hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
148 |
static int cmd_pmem_w32(hypervisor_conn_t *conn,int argc,char *argv[]) |
static int cmd_pmem_w32(hypervisor_conn_t *conn,int argc,char *argv[]) |
149 |
{ |
{ |
150 |
vm_instance_t *vm; |
vm_instance_t *vm; |
|
cpu_mips_t *cpu; |
|
151 |
m_uint64_t addr; |
m_uint64_t addr; |
152 |
m_uint32_t value; |
m_uint32_t value; |
153 |
|
|
154 |
if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
155 |
return(-1); |
return(-1); |
156 |
|
|
|
cpu = cpu_group_find_id(vm->cpu_group,atoi(argv[1])); |
|
|
|
|
|
if (!cpu) { |
|
|
vm_release(vm); |
|
|
hypervisor_send_reply(conn,HSC_ERR_BAD_OBJ,1,"No CPU found."); |
|
|
return(-1); |
|
|
} |
|
|
|
|
157 |
/* Write word */ |
/* Write word */ |
158 |
addr = strtoull(argv[2],NULL,0); |
addr = strtoull(argv[2],NULL,0); |
159 |
value = strtoul(argv[3],NULL,0); |
value = strtoul(argv[3],NULL,0); |
168 |
static int cmd_pmem_r32(hypervisor_conn_t *conn,int argc,char *argv[]) |
static int cmd_pmem_r32(hypervisor_conn_t *conn,int argc,char *argv[]) |
169 |
{ |
{ |
170 |
vm_instance_t *vm; |
vm_instance_t *vm; |
|
cpu_mips_t *cpu; |
|
171 |
m_uint64_t addr; |
m_uint64_t addr; |
172 |
m_uint32_t value; |
m_uint32_t value; |
173 |
|
|
174 |
if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
175 |
return(-1); |
return(-1); |
176 |
|
|
|
cpu = cpu_group_find_id(vm->cpu_group,atoi(argv[1])); |
|
|
|
|
|
if (!cpu) { |
|
|
vm_release(vm); |
|
|
hypervisor_send_reply(conn,HSC_ERR_BAD_OBJ,1,"No CPU found."); |
|
|
return(-1); |
|
|
} |
|
|
|
|
177 |
/* Write word */ |
/* Write word */ |
178 |
addr = strtoull(argv[2],NULL,0); |
addr = strtoull(argv[2],NULL,0); |
179 |
value = physmem_copy_u32_from_vm(vm,addr); |
value = physmem_copy_u32_from_vm(vm,addr); |
187 |
static int cmd_pmem_w16(hypervisor_conn_t *conn,int argc,char *argv[]) |
static int cmd_pmem_w16(hypervisor_conn_t *conn,int argc,char *argv[]) |
188 |
{ |
{ |
189 |
vm_instance_t *vm; |
vm_instance_t *vm; |
|
cpu_mips_t *cpu; |
|
190 |
m_uint64_t addr; |
m_uint64_t addr; |
191 |
m_uint16_t value; |
m_uint16_t value; |
192 |
|
|
193 |
if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
194 |
return(-1); |
return(-1); |
195 |
|
|
|
cpu = cpu_group_find_id(vm->cpu_group,atoi(argv[1])); |
|
|
|
|
|
if (!cpu) { |
|
|
vm_release(vm); |
|
|
hypervisor_send_reply(conn,HSC_ERR_BAD_OBJ,1,"No CPU found."); |
|
|
return(-1); |
|
|
} |
|
|
|
|
196 |
/* Write word */ |
/* Write word */ |
197 |
addr = strtoull(argv[2],NULL,0); |
addr = strtoull(argv[2],NULL,0); |
198 |
value = strtoul(argv[3],NULL,0); |
value = strtoul(argv[3],NULL,0); |
207 |
static int cmd_pmem_r16(hypervisor_conn_t *conn,int argc,char *argv[]) |
static int cmd_pmem_r16(hypervisor_conn_t *conn,int argc,char *argv[]) |
208 |
{ |
{ |
209 |
vm_instance_t *vm; |
vm_instance_t *vm; |
|
cpu_mips_t *cpu; |
|
210 |
m_uint64_t addr; |
m_uint64_t addr; |
211 |
m_uint16_t value; |
m_uint16_t value; |
212 |
|
|
213 |
if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
if (!(vm = hypervisor_find_object(conn,argv[0],OBJ_TYPE_VM))) |
214 |
return(-1); |
return(-1); |
215 |
|
|
|
cpu = cpu_group_find_id(vm->cpu_group,atoi(argv[1])); |
|
|
|
|
|
if (!cpu) { |
|
|
vm_release(vm); |
|
|
hypervisor_send_reply(conn,HSC_ERR_BAD_OBJ,1,"No CPU found."); |
|
|
return(-1); |
|
|
} |
|
|
|
|
216 |
/* Write word */ |
/* Write word */ |
217 |
addr = strtoull(argv[2],NULL,0); |
addr = strtoull(argv[2],NULL,0); |
218 |
value = physmem_copy_u16_from_vm(vm,addr); |
value = physmem_copy_u16_from_vm(vm,addr); |
225 |
/* VM debug commands */ |
/* VM debug commands */ |
226 |
static hypervisor_cmd_t vm_cmd_array[] = { |
static hypervisor_cmd_t vm_cmd_array[] = { |
227 |
{ "show_cpu_regs", 2, 2, cmd_show_cpu_regs, NULL }, |
{ "show_cpu_regs", 2, 2, cmd_show_cpu_regs, NULL }, |
228 |
{ "show_cpu_tlb", 2, 2, cmd_show_cpu_tlb, NULL }, |
{ "show_cpu_mmu", 2, 2, cmd_show_cpu_mmu, NULL }, |
229 |
{ "set_cpu_reg", 4, 4, cmd_set_cpu_reg, NULL }, |
{ "set_cpu_reg", 4, 4, cmd_set_cpu_reg, NULL }, |
230 |
{ "add_cpu_breakpoint", 3, 3, cmd_add_cpu_breakpoint, NULL }, |
{ "add_cpu_breakpoint", 3, 3, cmd_add_cpu_breakpoint, NULL }, |
231 |
{ "remove_cpu_breakpoint", 3, 3, cmd_remove_cpu_breakpoint, NULL }, |
{ "remove_cpu_breakpoint", 3, 3, cmd_remove_cpu_breakpoint, NULL }, |