X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm_direct_paging.c;h=6040e81398cd0178434856dea2b085595f3cd7db;hb=9c9370627c5a95e3abaa1b4a6b78f6f5846f53cc;hp=257efa37a1003a2d289e0feea836de3237b62853;hpb=57de08049d9a345445d26741c5ee0f7f9e5c2fcc;p=palacios.git diff --git a/palacios/src/palacios/vmm_direct_paging.c b/palacios/src/palacios/vmm_direct_paging.c index 257efa3..6040e81 100644 --- a/palacios/src/palacios/vmm_direct_paging.c +++ b/palacios/src/palacios/vmm_direct_paging.c @@ -25,7 +25,7 @@ #include -#ifndef DEBUG_NESTED_PAGING +#ifndef CONFIG_DEBUG_NESTED_PAGING #undef PrintDebug #define PrintDebug(fmt, args...) #endif @@ -49,33 +49,44 @@ int v3_init_passthrough_pts(struct guest_info * info) { return 0; } -int v3_reset_passthrough_pts(struct guest_info * info) { - v3_cpu_mode_t mode = v3_get_cpu_mode(info); + +int v3_free_passthrough_pts(struct guest_info * core) { + v3_cpu_mode_t mode = v3_get_vm_cpu_mode(core); // Delete the old direct map page tables switch(mode) { case REAL: case PROTECTED: - delete_page_tables_32((pde32_t *)V3_VAddr((void *)(info->direct_map_pt))); + delete_page_tables_32((pde32_t *)V3_VAddr((void *)(core->direct_map_pt))); break; case PROTECTED_PAE: case LONG: case LONG_32_COMPAT: // Long mode will only use 32PAE page tables... - delete_page_tables_32pae((pdpe32pae_t *)V3_VAddr((void *)(info->direct_map_pt))); + delete_page_tables_32pae((pdpe32pae_t *)V3_VAddr((void *)(core->direct_map_pt))); break; default: PrintError("Unknown CPU Mode\n"); + return -1; break; } - + + return 0; +} + + +int v3_reset_passthrough_pts(struct guest_info * core) { + + v3_free_passthrough_pts(core); + // create new direct map page table - v3_init_passthrough_pts(info); + v3_init_passthrough_pts(core); return 0; } + int v3_activate_passthrough_pt(struct guest_info * info) { // For now... But we need to change this.... // As soon as shadow paging becomes active the passthrough tables are hosed @@ -88,7 +99,7 @@ int v3_activate_passthrough_pt(struct guest_info * info) { int v3_handle_passthrough_pagefault(struct guest_info * info, addr_t fault_addr, pf_error_t error_code) { - v3_cpu_mode_t mode = v3_get_cpu_mode(info); + v3_cpu_mode_t mode = v3_get_vm_cpu_mode(info); switch(mode) { case REAL: @@ -111,11 +122,10 @@ int v3_handle_passthrough_pagefault(struct guest_info * info, addr_t fault_addr, int v3_handle_nested_pagefault(struct guest_info * info, addr_t fault_addr, pf_error_t error_code) { - // THIS IS VERY BAD - v3_cpu_mode_t mode = LONG; + v3_cpu_mode_t mode = v3_get_host_cpu_mode(); - PrintDebug("Nested PageFault: fault_addr=%p, error_code=%u\n",(void*)fault_addr, *(uint_t *)&error_code); + PrintDebug("Nested PageFault: fault_addr=%p, error_code=%u\n", (void *)fault_addr, *(uint_t *)&error_code); switch(mode) { case REAL: @@ -137,7 +147,7 @@ int v3_handle_nested_pagefault(struct guest_info * info, addr_t fault_addr, pf_e } int v3_invalidate_passthrough_addr(struct guest_info * info, addr_t inv_addr) { - v3_cpu_mode_t mode = v3_get_cpu_mode(info); + v3_cpu_mode_t mode = v3_get_vm_cpu_mode(info); switch(mode) { case REAL: