X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm_debug.h;h=73281491316d53f2377194c3cff338b6cc19d826;hb=ec9f38e306b02bb98029fb950bcb4d0bd0c3aed2;hp=e94ce696032d0c6243beadc1c38e17fbc02a766c;hpb=436f64eff4b2b60c18f485095f2e962f32b71014;p=palacios.releases.git diff --git a/palacios/include/palacios/vmm_debug.h b/palacios/include/palacios/vmm_debug.h index e94ce69..7328149 100644 --- a/palacios/include/palacios/vmm_debug.h +++ b/palacios/include/palacios/vmm_debug.h @@ -27,6 +27,212 @@ #include #include +#define NUM_IDT_ENTRIES 256 +#define NUM_GDT_ENTRIES 16 +#define NUM_LDT_ENTRIES 16 + +struct segment_selector { + uint8_t rpl : 2; + uint8_t ti : 1; + uint16_t index : 13; +}__attribute__((packed)); + +struct int_trap_gate_long { + uint16_t offset_lo : 16; + uint16_t selector : 16; + uint8_t ist : 3; + uint8_t ign : 5; + uint8_t type : 4; + uint8_t s : 1; + uint8_t dpl : 2; + uint8_t p : 1; + uint16_t offset_mid : 16; + uint32_t offset_hi : 32; + uint32_t ign2 : 32; +}__attribute__((packed)); + +struct call_gate_long { + uint16_t offset_lo : 16; + uint16_t selector : 16; + uint8_t ign : 8; + uint8_t type : 4; + uint8_t s : 1; + uint8_t dpl : 2; + uint8_t p : 1; + uint16_t offset_mid : 16; + uint32_t offset_hi : 32; + uint8_t ign2 : 8; + uint8_t count : 5; + uint32_t ign3 : 19; +}__attribute__((packed)); + +struct system_desc_long { + uint16_t limit_lo : 16; + uint16_t base_lo : 16; + uint8_t base_mid1 : 8; + uint8_t type : 4; + uint8_t s : 1; + uint8_t dpl : 2; + uint8_t p : 1; + uint8_t limit_hi : 4; + uint8_t avl : 1; + uint8_t ign : 2; + uint8_t g : 1; + uint8_t base_mid2 : 8; + uint32_t base_hi : 32; + uint8_t ign2 : 8; + uint8_t lgcy_type : 5; + uint32_t ign3 : 19; +}__attribute__((packed)); + +struct data_desc_long { + uint16_t limit_lo : 16; + uint16_t base_lo : 16; + uint8_t base_mid : 8; + uint8_t a : 1; + uint8_t w : 1; + uint8_t e : 1; + uint8_t zero : 1; + uint8_t one : 1; + uint8_t dpl : 2; + uint8_t p : 1; + uint8_t limit_hi : 4; + uint8_t avl : 1; + uint8_t ign : 1; + uint8_t db : 1; + uint8_t g : 1; + uint8_t base_hi : 8; +}__attribute__((packed)); + +struct code_desc_long { + uint16_t limit_lo : 16; + uint16_t base_lo : 16; + uint8_t base_mid : 8; + uint8_t a : 1; + uint8_t r : 1; + uint8_t c : 1; + uint8_t one1 : 1; + uint8_t one2 : 1; + uint8_t dpl : 2; + uint8_t p : 1; + uint8_t limit_hi : 4; + uint8_t avl : 1; + uint8_t l : 1; + uint8_t d : 1; + uint8_t g : 1; + uint8_t base_hi : 8; +}__attribute__((packed)); + +struct int_trap_gate_lgcy { + uint16_t offset_lo : 16; + uint16_t selector : 16; + uint8_t ign : 8; + uint8_t type : 4; + uint8_t s : 1; + uint8_t dpl : 2; + uint8_t p : 1; + uint16_t offset_hi : 16; +}__attribute__((packed)); + +struct call_gate_lgcy { + uint16_t offset_lo : 16; + uint16_t selector : 16; + uint8_t count : 4; + uint8_t ign : 4; + uint8_t type : 4; + uint8_t s : 1; + uint8_t dpl : 2; + uint8_t p : 1; + uint16_t offset_hi : 16; +}__attribute__((packed)); + +struct trap_gate_lgcy { + uint16_t ign : 16; + uint16_t selector : 16; + uint8_t ign2 : 8; + uint8_t type : 4; + uint8_t s : 1; + uint8_t dpl : 2; + uint8_t p : 1; + uint16_t ign3 : 16; +}__attribute__((packed)); + +struct system_desc_lgcy { + uint16_t limit_lo : 16; + uint16_t base_lo : 16; + uint8_t base_mid : 8; + uint8_t type : 4; + uint8_t s : 1; + uint8_t dpl : 2; + uint8_t p : 1; + uint8_t limit_hi : 4; + uint8_t avl : 1; + uint8_t ign : 2; + uint8_t g : 1; + uint8_t base_hi : 8; +}__attribute__((packed)); + +struct data_desc_lgcy { + uint16_t limit_lo : 16; + uint16_t base_lo : 16; + uint8_t base_mid : 8; + uint8_t type : 4; + uint8_t s : 1; + uint8_t dpl : 2; + uint8_t p : 1; + uint8_t limit_hi : 4; + uint8_t avl : 1; + uint8_t ign : 1; + uint8_t db : 1; + uint8_t g : 1; + uint8_t base_hi : 8; +}__attribute__((packed)); + +struct code_desc_lgcy { + uint16_t limit_lo : 16; + uint16_t base_lo : 16; + uint8_t base_mid : 8; + uint8_t type : 4; + uint8_t s : 1; + uint8_t dpl : 2; + uint8_t p : 1; + uint8_t limit_hi : 4; + uint8_t avl : 1; + uint8_t ign : 1; + uint8_t d : 1; + uint8_t g : 1; + uint8_t base_hi : 8; +}__attribute__((packed)); + + +struct selector_error_code { + uint8_t ext : 1; + uint8_t idt : 1; + uint8_t ti : 1; + uint16_t index : 13; + uint16_t ign : 16; +}__attribute__((packed)); + +struct tss_long { + uint32_t res1; + uint64_t rsp0; + uint64_t rsp1; + uint64_t rsp2; + uint64_t res2; + uint64_t ist1; + uint64_t ist2; + uint64_t ist3; + uint64_t ist4; + uint64_t ist5; + uint64_t ist6; + uint64_t ist7; + uint64_t res3; + uint32_t res4; + uint32_t iomap_base; + // Followed by up to 8 KB of io permission bitmap +} __attribute__((packed)); + + int v3_init_vm_debugging(struct v3_vm_info * vm); void v3_print_guest_state(struct guest_info * core); @@ -40,6 +246,12 @@ void v3_print_backtrace(struct guest_info * core); void v3_print_stack(struct guest_info * core); void v3_print_guest_state_all(struct v3_vm_info * vm); +void v3_print_idt(struct guest_info * core, addr_t idtr_base); +void v3_print_gdt(struct guest_info * core, addr_t gdtr_base); +void v3_print_ldt(struct guest_info * core, addr_t ldtr_base); +void v3_print_tss(struct guest_info * core, addr_t ldtr_base); +void v3_print_gp_error(struct guest_info * core, addr_t exit_info1); + #endif // !__V3VEE__ #endif