X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=blobdiff_plain;f=geekos%2Fsrc%2Fgeekos%2Fvm.c;fp=geekos%2Fsrc%2Fgeekos%2Fvm.c;h=c391c63a492fd1150bf23d59df1bc2ebacbc16b8;hp=003d97e260329eb77e64be0114228dc6d2f9c786;hb=fc14d48378cdc90085786bccf4a5230261a0d315;hpb=33e59b4f73c24aa953e12d9427dafac88b19cfaa diff --git a/geekos/src/geekos/vm.c b/geekos/src/geekos/vm.c index 003d97e..c391c63 100644 --- a/geekos/src/geekos/vm.c +++ b/geekos/src/geekos/vm.c @@ -30,6 +30,21 @@ #include +#define MAGIC_CODE 0xf1e2d3c4 + + +struct layout_region { + ulong_t length; + ulong_t final_addr; +}; + +struct guest_mem_layout { + ulong_t magic; + ulong_t num_regions; + struct layout_region regions[0]; +}; + + extern void * g_ramdiskImage; extern ulong_t s_ramdiskSize; @@ -40,6 +55,7 @@ int RunVMM(struct Boot_Info * bootInfo) { struct v3_ctrl_ops v3_ops; struct guest_info * vm_info = 0; struct v3_vm_config vm_config; + void * region_start; memset(&os_hooks, 0, sizeof(struct v3_os_hooks)); memset(&v3_ops, 0, sizeof(struct v3_ctrl_ops)); @@ -66,10 +82,38 @@ int RunVMM(struct Boot_Info * bootInfo) { extern char _binary___palacios_vm_kernel_start; PrintBoth(" Guest Load Addr: 0x%x\n", &_binary___palacios_vm_kernel_start); + + struct guest_mem_layout * layout = (struct guest_mem_layout *)&_binary___palacios_vm_kernel_start; + + if (layout->magic != MAGIC_CODE) { + + PrintBoth("Layout Magic Mismatch (0x%x)\n", layout->magic); + return -1; + } - vm_config.vm_kernel = &_binary___palacios_vm_kernel_start; + PrintBoth("%d layout regions\n", layout->num_regions); + region_start = (void *)&(layout->regions[layout->num_regions]); + PrintBoth("region start = 0x%x\n", region_start); + + + { + struct layout_region * rombios = &(layout->regions[0]); + struct layout_region * vgabios = &(layout->regions[1]); + + vm_config.rombios = region_start; + vm_config.rombios_size = rombios->length; + + region_start += rombios->length; + + vm_config.vgabios = region_start; + vm_config.vgabios_size = vgabios->length; + } + + + + if (g_ramdiskImage != NULL) { vm_config.use_ramdisk = 1; vm_config.ramdisk = g_ramdiskImage;