| 252 | } |
| 253 | |
| 254 | int |
| 255 | vmcs_setdesc(struct vmcs *vmcs, int running, int seg, struct seg_desc *desc) |
| 256 | { |
| 257 | int error; |
| 258 | uint32_t base, limit, access; |
| 259 | |
| 260 | error = vmcs_seg_desc_encoding(seg, &base, &limit, &access); |
| 261 | if (error != 0) |
| 262 | panic("vmcs_setdesc: invalid segment register %d", seg); |
| 263 | |
| 264 | if (!running) |
| 265 | VMPTRLD(vmcs); |
| 266 | if ((error = vmwrite(base, desc->base)) != 0) |
| 267 | goto done; |
| 268 | |
| 269 | if ((error = vmwrite(limit, desc->limit)) != 0) |
| 270 | goto done; |
| 271 | |
| 272 | if (access != VMCS_INVALID_ENCODING) { |
| 273 | if ((error = vmwrite(access, desc->access)) != 0) |
| 274 | goto done; |
| 275 | } |
| 276 | done: |
| 277 | if (!running) |
| 278 | VMCLEAR(vmcs); |
| 279 | return (error); |
| 280 | } |
| 281 | |
| 282 | int |
| 283 | vmcs_getdesc(struct vmcs *vmcs, int running, int seg, struct seg_desc *desc) |
no test coverage detected