[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] Image builder for ia64/vti domain, together with a example config file.
# HG changeset patch # User djm@xxxxxxxxxxxxxxx # Node ID 935a81f863489998cea61b72149181b613959675 # Parent ebc92fd2fac8f35bbeb9f101b50cb964603ed6d8 Image builder for ia64/vti domain, together with a example config file. Signed-off-by Ke Yu <ke.yu@xxxxxxxxx> Signed-off-by Anthony Xu <anthony.xu@xxxxxxxxx> Signed-off-by Kevin Tian <kevin.tian@xxxxxxxxx> diff -r ebc92fd2fac8 -r 935a81f86348 tools/examples/Makefile --- a/tools/examples/Makefile Mon Oct 24 17:41:27 2005 +++ b/tools/examples/Makefile Tue Oct 25 02:56:53 2005 @@ -16,6 +16,7 @@ XEN_CONFIGS += xmexample1 XEN_CONFIGS += xmexample2 XEN_CONFIGS += xmexample.vmx +XEN_CONFIGS += xmexample.vti # Xen script dir and scripts to go there. XEN_SCRIPT_DIR = /etc/xen/scripts diff -r ebc92fd2fac8 -r 935a81f86348 tools/libxc/xc_ia64_stubs.c --- a/tools/libxc/xc_ia64_stubs.c Mon Oct 24 17:41:27 2005 +++ b/tools/libxc/xc_ia64_stubs.c Tue Oct 25 02:56:53 2005 @@ -1,5 +1,11 @@ #include "xg_private.h" #include "xenguest.h" +#include "xc_private.h" +#include "xc_elf.h" +#include <stdlib.h> +#include <zlib.h> +#include "xen/arch-ia64.h" +#include <xen/io/ioreq.h> int xc_linux_save(int xc_handle, int io_fd, uint32_t dom, uint32_t max_iters, uint32_t max_factor, uint32_t flags) @@ -13,20 +19,6 @@ unsigned int console_evtchn, unsigned long *console_mfn) { PERROR("xc_linux_restore not implemented\n"); - return -1; -} - -int xc_vmx_build(int xc_handle, - uint32_t domid, - int memsize, - const char *image_name, - unsigned int control_evtchn, - unsigned long flags, - unsigned int vcpus, - unsigned int store_evtchn, - unsigned long *store_mfn) -{ - PERROR("xc_vmx_build not implemented\n"); return -1; } @@ -38,6 +30,653 @@ unsigned int control_evtchn, unsigned long flags) { PERROR("xc_plan9_build not implemented\n"); + return -1; +} + +int xc_ia64_get_pfn_list(int xc_handle, + uint32_t domid, + unsigned long *pfn_buf, + unsigned int start_page, + unsigned int nr_pages) +{ + dom0_op_t op; + int ret; + unsigned long max_pfns = ((unsigned long)start_page << 32) | nr_pages; + + op.cmd = DOM0_GETMEMLIST; + op.u.getmemlist.domain = (domid_t)domid; + op.u.getmemlist.max_pfns = max_pfns; + op.u.getmemlist.buffer = pfn_buf; + + if ( (max_pfns != -1UL) + && mlock(pfn_buf, nr_pages * sizeof(unsigned long)) != 0 ) + { + PERROR("Could not lock pfn list buffer"); + return -1; + } + + ret = do_dom0_op(xc_handle, &op); + + if (max_pfns != -1UL) + (void)munlock(pfn_buf, nr_pages * sizeof(unsigned long)); + + return (ret < 0) ? -1 : op.u.getmemlist.num_pfns; +} + +long xc_get_max_pages(int xc_handle, uint32_t domid) +{ + dom0_op_t op; + op.cmd = DOM0_GETDOMAININFO; + op.u.getdomaininfo.domain = (domid_t)domid; + return (do_dom0_op(xc_handle, &op) < 0) ? + -1 : op.u.getdomaininfo.max_pages; +} + +int xc_ia64_copy_to_domain_pages(int xc_handle, uint32_t domid, + void* src_page, unsigned long dst_pfn, int nr_pages) +{ + // N.B. gva should be page aligned + + unsigned long *page_array=NULL; + int i; + + if ( (page_array = malloc(nr_pages * sizeof(unsigned long))) == NULL ){ + PERROR("Could not allocate memory"); + goto error_out; + } + if ( xc_ia64_get_pfn_list(xc_handle, domid, page_array, + dst_pfn>>PAGE_SHIFT, nr_pages) != nr_pages ){ + PERROR("Could not get the page frame list"); + goto error_out; + } + + for ( i=0; i< nr_pages; i++ ){ + if (xc_copy_to_domain_page(xc_handle, domid, page_array[i], + src_page + (i << PAGE_SHIFT))) + goto error_out; + } + free(page_array); + return 0; + +error_out: + if (page_array) + free(page_array); + return -1; +} + + +#define HOB_SIGNATURE 0x3436474953424f48 // "HOBSIG64" +#define GFW_HOB_START ((4UL<<30)-(14UL<<20)) //4G -14M +#define GFW_HOB_SIZE (1UL<<20) //1M +#define MEM_G (1UL << 30) +#define MEM_M (1UL << 20) + +typedef struct { + unsigned long signature; + unsigned int type; + unsigned int length; +} HOB_GENERIC_HEADER; + +/* + * INFO HOB is the first data data in one HOB list + * it contains the control information of the HOB list + */ +typedef struct { + HOB_GENERIC_HEADER header; + unsigned long length; // current length of hob + unsigned long cur_pos; // current poisiton of hob + unsigned long buf_size; // size of hob buffer +}HOB_INFO; + +typedef struct{ + unsigned long start; + unsigned long size; +}hob_mem_t; + +typedef enum { + HOB_TYPE_INFO=0, + HOB_TYPE_TERMINAL, + HOB_TYPE_MEM, + HOB_TYPE_PAL_BUS_GET_FEATURES_DATA, + HOB_TYPE_PAL_CACHE_SUMMARY, + HOB_TYPE_PAL_MEM_ATTRIB, + HOB_TYPE_PAL_CACHE_INFO, + HOB_TYPE_PAL_CACHE_PROT_INFO, + HOB_TYPE_PAL_DEBUG_INFO, + HOB_TYPE_PAL_FIXED_ADDR, + HOB_TYPE_PAL_FREQ_BASE, + HOB_TYPE_PAL_FREQ_RATIOS, + HOB_TYPE_PAL_HALT_INFO, + HOB_TYPE_PAL_PERF_MON_INFO, + HOB_TYPE_PAL_PROC_GET_FEATURES, + HOB_TYPE_PAL_PTCE_INFO, + HOB_TYPE_PAL_REGISTER_INFO, + HOB_TYPE_PAL_RSE_INFO, + HOB_TYPE_PAL_TEST_INFO, + HOB_TYPE_PAL_VM_SUMMARY, + HOB_TYPE_PAL_VM_INFO, + HOB_TYPE_PAL_VM_PAGE_SIZE, + HOB_TYPE_MAX +}hob_type_t; + +static int hob_init( void *buffer ,unsigned long buf_size); +static int add_pal_hob(void* hob_buf); +static int add_mem_hob(void* hob_buf, unsigned long dom_mem_size); +static int build_hob (void* hob_buf, unsigned long hob_buf_size, + unsigned long dom_mem_size); +static int load_hob(int xc_handle,uint32_t dom, void *hob_buf); + +int xc_ia64_build_hob(int xc_handle, uint32_t dom, unsigned long memsize){ + + char hob_buf[GFW_HOB_SIZE]; + + if ( build_hob( hob_buf, GFW_HOB_SIZE, memsize<<20) < 0){ + PERROR("Could not build hob"); + return -1; + } + + if ( load_hob( xc_handle, dom, hob_buf) <0){ + PERROR("Could not load hob"); + return -1; + } + + return 0; + +} +static int +hob_init( void *buffer ,unsigned long buf_size) +{ + HOB_INFO *phit; + HOB_GENERIC_HEADER *terminal; + + if (sizeof(HOB_INFO) + sizeof(HOB_GENERIC_HEADER) > buf_size){ + // buffer too small + return -1; + } + + phit = (HOB_INFO*)buffer; + phit->header.signature = HOB_SIGNATURE; + phit->header.type = HOB_TYPE_INFO; + phit->header.length = sizeof(HOB_INFO); + phit->length = sizeof(HOB_INFO) + sizeof(HOB_GENERIC_HEADER); + phit->cur_pos = 0; + phit->buf_size = buf_size; + + terminal = (HOB_GENERIC_HEADER*) (buffer + sizeof(HOB_INFO)); + terminal->signature= HOB_SIGNATURE; + terminal->type = HOB_TYPE_TERMINAL; + terminal->length = sizeof(HOB_GENERIC_HEADER); + + return 0; +} + +/* + * Add a new HOB to the HOB List. + * + * hob_start - start address of hob buffer + * type - type of the hob to be added + * data - data of the hob to be added + * data_size - size of the data + */ +static int +hob_add( + void* hob_start, + int type, + void* data, + int data_size +) +{ + HOB_INFO *phit; + HOB_GENERIC_HEADER *newhob,*tail; + + phit = (HOB_INFO*)hob_start; + + if (phit->length + data_size > phit->buf_size){ + // no space for new hob + return -1; + } + + //append new HOB + newhob = (HOB_GENERIC_HEADER*) + (hob_start + phit->length - sizeof(HOB_GENERIC_HEADER)); + newhob->signature = HOB_SIGNATURE; + newhob->type = type; + newhob->length = data_size + sizeof(HOB_GENERIC_HEADER); + memcpy((void*)newhob + sizeof(HOB_GENERIC_HEADER), data, data_size); + + // append terminal HOB + tail = (HOB_GENERIC_HEADER*) ( hob_start + phit->length + data_size); + tail->signature = HOB_SIGNATURE; + tail->type = HOB_TYPE_TERMINAL; + tail->length = sizeof(HOB_GENERIC_HEADER); + + // adjust HOB list length + phit->length += sizeof(HOB_GENERIC_HEADER)+ data_size; + + return 0; + +} + +int get_hob_size(void* hob_buf){ + + HOB_INFO *phit = (HOB_INFO*)hob_buf; + + if (phit->header.signature != HOB_SIGNATURE){ + PERROR("xc_get_hob_size:Incorrect signature"); + return -1; + } + return phit->length; +} + +int build_hob (void* hob_buf, unsigned long hob_buf_size, + unsigned long dom_mem_size) +{ + //Init HOB List + if (hob_init (hob_buf, hob_buf_size)<0){ + PERROR("buffer too small"); + goto err_out; + } + + if ( add_mem_hob( hob_buf,dom_mem_size) < 0){ + PERROR("Add memory hob failed, buffer too small"); + goto err_out; + } + + if ( add_pal_hob( hob_buf ) < 0 ){ + PERROR("Add PAL hob failed, buffer too small"); + goto err_out; + } + + return 0; + +err_out: + return -1; +} + +static int +load_hob(int xc_handle, uint32_t dom, void *hob_buf) +{ + // hob_buf should be page aligned + int hob_size; + int nr_pages; + + if ((hob_size = get_hob_size(hob_buf)) < 0){ + PERROR("Invalid hob data"); + return -1; + } + + if (hob_size > GFW_HOB_SIZE){ + PERROR("No enough memory for hob data"); + return -1; + } + + nr_pages = (hob_size + PAGE_SIZE -1) >> PAGE_SHIFT; + + return xc_ia64_copy_to_domain_pages(xc_handle, dom, + hob_buf, GFW_HOB_START, nr_pages ); +} + +#define MIN(x, y) ((x) < (y)) ? (x) : (y) +static int +add_mem_hob(void* hob_buf, unsigned long dom_mem_size){ + hob_mem_t memhob; + + // less than 3G + memhob.start = 0; + memhob.size = MIN(dom_mem_size, 0xC0000000); + + if (hob_add(hob_buf, HOB_TYPE_MEM, &memhob, sizeof(memhob)) < 0){ + return -1; + } + + if (dom_mem_size > 0xC0000000) { + // 4G ~ 4G+remain + memhob.start = 0x100000000; //4G + memhob.size = dom_mem_size - 0xC0000000; + if (hob_add(hob_buf, HOB_TYPE_MEM, &memhob, sizeof(memhob)) < 0) + return -1; + } + return 0; +} + +unsigned char config_pal_bus_get_features_data[24] = { + 0, 0, 0, 32, 0, 0, 240, 189, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 +}; +unsigned char config_pal_cache_summary[16] = { + 3, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0}; +unsigned char config_pal_mem_attrib[8] = { + 241, 0, 0, 0, 0, 0, 0, 0 +}; +unsigned char config_pal_cache_info[152] = { + 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 6, 4, 6, 7, 255, 1, 0, 1, 0, 64, 0, 0, 12, 12, + 49, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 6, 7, 0, 1, + 0, 1, 0, 64, 0, 0, 12, 12, 49, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 6, 8, 7, 7, 255, 7, 0, 11, 0, 0, 16, 0, + 12, 17, 49, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 8, 7, + 7, 7, 5, 9, 11, 0, 0, 4, 0, 12, 15, 49, 0, 254, 255, + 255, 255, 255, 255, 255, 255, 2, 8, 7, 7, 7, 5, 9, + 11, 0, 0, 4, 0, 12, 15, 49, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 12, 7, 7, 7, 14, 1, 3, 0, 0, 192, 0, 12, 20, 49, 0 +}; +unsigned char config_pal_cache_prot_info[200] = { + 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 45, 0, 16, 8, 0, 76, 12, 64, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 8, 0, 16, 4, 0, 76, 44, 68, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 32, + 0, 16, 8, 0, 81, 44, 72, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 32, 0, + 112, 12, 0, 79, 124, 76, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 254, 255, 255, 255, 255, 255, 255, 255, + 32, 0, 112, 12, 0, 79, 124, 76, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 0, 160, + 12, 0, 84, 124, 76, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0 +}; +unsigned char config_pal_debug_info[16] = { + 2, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0 +}; +unsigned char config_pal_fixed_addr[8] = { + 0, 0, 0, 0, 0, 0, 0, 0 +}; +unsigned char config_pal_freq_base[8] = { + 109, 219, 182, 13, 0, 0, 0, 0 +}; +unsigned char config_pal_freq_ratios[24] = { + 11, 1, 0, 0, 77, 7, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 4, + 0, 0, 0, 7, 0, 0, 0 +}; +unsigned char config_pal_halt_info[64] = { + 0, 0, 0, 0, 0, 0, 0, 48, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 +}; +unsigned char config_pal_perf_mon_info[136] = { + 12, 47, 18, 8, 0, 0, 0, 0, 241, 255, 0, 0, 255, 7, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 241, 255, 0, 0, 223, 0, 255, 255, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 240, 255, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 240, 255, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0 +}; +unsigned char config_pal_proc_get_features[104] = { + 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 64, 6, 64, 49, 0, 0, 0, 0, 64, 6, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 16, 0, 0, 0, 0, 0, 0, 0, + 231, 0, 0, 0, 0, 0, 0, 0, 228, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 17, 0, 0, 0, 0, 0, 0, 0, + 63, 0, 0, 0, 0, 0, 0, 0, 32, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0 +}; +unsigned char config_pal_ptce_info[24] = { + 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0 +}; +unsigned char config_pal_register_info[64] = { + 255, 0, 47, 127, 17, 17, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, 0, + 255, 208, 128, 238, 238, 0, 0, 248, 255, 255, 255, 255, 255, 0, 0, 7, 3, + 251, 3, 0, 0, 0, 0, 255, 7, 3, 0, 0, 0, 0, 0, 248, 252, 4, + 252, 255, 255, 255, 255, 2, 248, 252, 255, 255, 255, 255, 255 +}; +unsigned char config_pal_rse_info[16] = { + 96, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 +}; +unsigned char config_pal_test_info[48] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 +}; +unsigned char config_pal_vm_summary[16] = { + 101, 18, 15, 2, 7, 7, 4, 2, 59, 18, 0, 0, 0, 0, 0, 0 +}; +unsigned char config_pal_vm_info[104] = { + 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, + 32, 32, 0, 0, 0, 0, 0, 0, 112, 85, 21, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 1, 32, 32, 0, 0, 0, 0, 0, 0, 112, 85, + 21, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 128, 128, 0, + 4, 0, 0, 0, 0, 112, 85, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 1, 128, 128, 0, 4, 0, 0, 0, 0, 112, 85, 0, 0, 0, 0, 0 +}; +unsigned char config_pal_vm_page_size[16] = { + 0, 112, 85, 21, 0, 0, 0, 0, 0, 112, 85, 21, 0, 0, 0, 0 +}; + +typedef struct{ + hob_type_t type; + void* data; + unsigned long size; +}hob_batch_t; + +hob_batch_t hob_batch[]={ + { HOB_TYPE_PAL_BUS_GET_FEATURES_DATA, + &config_pal_bus_get_features_data, + sizeof(config_pal_bus_get_features_data) + }, + { HOB_TYPE_PAL_CACHE_SUMMARY, + &config_pal_cache_summary, + sizeof(config_pal_cache_summary) + }, + { HOB_TYPE_PAL_MEM_ATTRIB, + &config_pal_mem_attrib, + sizeof(config_pal_mem_attrib) + }, + { HOB_TYPE_PAL_CACHE_INFO, + &config_pal_cache_info, + sizeof(config_pal_cache_info) + }, + { HOB_TYPE_PAL_CACHE_PROT_INFO, + &config_pal_cache_prot_info, + sizeof(config_pal_cache_prot_info) + }, + { HOB_TYPE_PAL_DEBUG_INFO, + &config_pal_debug_info, + sizeof(config_pal_debug_info) + }, + { HOB_TYPE_PAL_FIXED_ADDR, + &config_pal_fixed_addr, + sizeof(config_pal_fixed_addr) + }, + { HOB_TYPE_PAL_FREQ_BASE, + &config_pal_freq_base, + sizeof(config_pal_freq_base) + }, + { HOB_TYPE_PAL_FREQ_RATIOS, + &config_pal_freq_ratios, + sizeof(config_pal_freq_ratios) + }, + { HOB_TYPE_PAL_HALT_INFO, + &config_pal_halt_info, + sizeof(config_pal_halt_info) + }, + { HOB_TYPE_PAL_PERF_MON_INFO, + &config_pal_perf_mon_info, + sizeof(config_pal_perf_mon_info) + }, + { HOB_TYPE_PAL_PROC_GET_FEATURES, + &config_pal_proc_get_features, + sizeof(config_pal_proc_get_features) + }, + { HOB_TYPE_PAL_PTCE_INFO, + &config_pal_ptce_info, + sizeof(config_pal_ptce_info) + }, + { HOB_TYPE_PAL_REGISTER_INFO, + &config_pal_register_info, + sizeof(config_pal_register_info) + }, + { HOB_TYPE_PAL_RSE_INFO, + &config_pal_rse_info, + sizeof(config_pal_rse_info) + }, + { HOB_TYPE_PAL_TEST_INFO, + &config_pal_test_info, + sizeof(config_pal_test_info) + }, + { HOB_TYPE_PAL_VM_SUMMARY, + &config_pal_vm_summary, + sizeof(config_pal_vm_summary) + }, + { HOB_TYPE_PAL_VM_INFO, + &config_pal_vm_info, + sizeof(config_pal_vm_info) + }, + { HOB_TYPE_PAL_VM_PAGE_SIZE, + &config_pal_vm_page_size, + sizeof(config_pal_vm_page_size) + }, +}; + +static int add_pal_hob(void* hob_buf){ + int i; + for (i=0; i<sizeof(hob_batch)/sizeof(hob_batch_t); i++){ + if (hob_add(hob_buf, hob_batch[i].type, + hob_batch[i].data, + hob_batch[i].size)<0) + return -1; + } + return 0; +} + +static int setup_guest( int xc_handle, + uint32_t dom, unsigned long memsize, + char *image, unsigned long image_size, + unsigned int control_evtchn, + unsigned int store_evtchn, + unsigned long *store_mfn) +{ + unsigned long page_array[2]; + shared_iopage_t *sp; + // FIXME: initialize pfn list for a temp hack + if (xc_ia64_get_pfn_list(xc_handle, dom, NULL, -1, -1) == -1) { + PERROR("Could not allocate continuous memory"); + goto error_out; + } + + if ((image_size > 12 * MEM_M) || (image_size & (PAGE_SIZE - 1))) { + PERROR("Guest firmware size is incorrect [%ld]?", image_size); + return -1; + } + + /* Load guest firmware */ + if( xc_ia64_copy_to_domain_pages( xc_handle, dom, + image, 4*MEM_G-image_size, image_size>>PAGE_SHIFT)) { + PERROR("Could not load guest firmware into domain"); + goto error_out; + } + + /* Hand-off state passed to guest firmware */ + if (xc_ia64_build_hob(xc_handle, dom, memsize) < 0){ + PERROR("Could not build hob\n"); + goto error_out; + } + + /* Retrieve special pages like io, xenstore, etc. */ + if ( xc_ia64_get_pfn_list(xc_handle, dom, page_array, IO_PAGE_START>>PAGE_SHIFT, 2) != 2 ) + { + PERROR("Could not get the page frame list"); + goto error_out; + } + + *store_mfn = page_array[1]; + if ((sp = (shared_iopage_t *) xc_map_foreign_range( + xc_handle, dom, PAGE_SIZE, PROT_READ|PROT_WRITE, + page_array[0])) == 0) + goto error_out; + memset(sp, 0, PAGE_SIZE); + sp->sp_global.eport = control_evtchn; + munmap(sp, PAGE_SIZE); + + return 0; + + error_out: + return -1; +} + +int xc_vmx_build(int xc_handle, + uint32_t domid, + int memsize, + const char *image_name, + unsigned int control_evtchn, + unsigned int vcpus, + unsigned int store_evtchn, + unsigned long *store_mfn) +{ + dom0_op_t launch_op, op; + int rc ; + vcpu_guest_context_t st_ctxt, *ctxt = &st_ctxt; + char *image = NULL; + unsigned long image_size; + unsigned long nr_pages; + + if ( (nr_pages = xc_get_max_pages(xc_handle, domid)) < 0 ) + { + PERROR("Could not find total pages for domain"); + goto error_out; + } + + if ( (image = xc_read_kernel_image(image_name, &image_size)) == NULL ){ + PERROR("Could not read guest firmware image %s",image_name); + goto error_out; + } + + image_size = (image_size + PAGE_SIZE - 1) & PAGE_MASK; + + if ( mlock(&st_ctxt, sizeof(st_ctxt) ) ){ + PERROR("Unable to mlock ctxt"); + return 1; + } + + op.cmd = DOM0_GETDOMAININFO; + op.u.getdomaininfo.domain = (domid_t)domid; + if ( (do_dom0_op(xc_handle, &op) < 0) || + ((uint16_t)op.u.getdomaininfo.domain != domid) ) { + PERROR("Could not get info on domain"); + goto error_out; + } + + if ( xc_domain_get_vcpu_context(xc_handle, domid, 0, ctxt) ){ + PERROR("Could not get vcpu context"); + goto error_out; + } + + if ( !(op.u.getdomaininfo.flags & DOMFLAGS_PAUSED) ) { + ERROR("Domain is already constructed"); + goto error_out; + } + + if ( setup_guest(xc_handle, domid, (unsigned long)memsize, image, image_size, + control_evtchn, store_evtchn, store_mfn ) < 0 ){ + ERROR("Error constructing guest OS"); + goto error_out; + } + + if ( image != NULL ) + free(image); + + ctxt->flags = VGCF_VMX_GUEST; + ctxt->regs.cr_iip = 0x80000000ffffffb0UL; + ctxt->vcpu.privregs = 0; + + memset( &launch_op, 0, sizeof(launch_op) ); + + launch_op.u.setdomaininfo.domain = (domid_t)domid; + launch_op.u.setdomaininfo.vcpu = 0; + launch_op.u.setdomaininfo.ctxt = ctxt; + + launch_op.cmd = DOM0_SETDOMAININFO; + rc = do_dom0_op(xc_handle, &launch_op); + return rc; + + error_out: + if ( image != NULL ) + free(image); + return -1; } _______________________________________________ Xen-changelog mailing list Xen-changelog@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-changelog
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