diff options
Diffstat (limited to 'xen-all.c')
| -rw-r--r-- | xen-all.c | 41 |
1 files changed, 22 insertions, 19 deletions
@@ -16,6 +16,7 @@ #include "range.h" #include "xen-mapcache.h" #include "trace.h" +#include "exec-memory.h" #include <xen/hvm/ioreq.h> #include <xen/hvm/params.h> @@ -31,6 +32,8 @@ do { } while (0) #endif +static MemoryRegion ram_memory, ram_640k, ram_lo, ram_hi; + /* Compatibility with older version */ #if __XEN_LATEST_INTERFACE_VERSION__ < 0x0003020a static inline uint32_t xen_vcpu_eport(shared_iopage_t *shared_page, int i) @@ -137,27 +140,18 @@ qemu_irq *xen_interrupt_controller_init(void) static void xen_ram_init(ram_addr_t ram_size) { - RAMBlock *new_block; + MemoryRegion *sysmem = get_system_memory(); ram_addr_t below_4g_mem_size, above_4g_mem_size = 0; + ram_addr_t block_len; - new_block = g_malloc0(sizeof (*new_block)); - pstrcpy(new_block->idstr, sizeof (new_block->idstr), "xen.ram"); - new_block->host = NULL; - new_block->offset = 0; - new_block->length = ram_size; + block_len = ram_size; if (ram_size >= HVM_BELOW_4G_RAM_END) { /* Xen does not allocate the memory continuously, and keep a hole at * HVM_BELOW_4G_MMIO_START of HVM_BELOW_4G_MMIO_LENGTH */ - new_block->length += HVM_BELOW_4G_MMIO_LENGTH; + block_len += HVM_BELOW_4G_MMIO_LENGTH; } - - QLIST_INSERT_HEAD(&ram_list.blocks, new_block, next); - - ram_list.phys_dirty = g_realloc(ram_list.phys_dirty, - new_block->length >> TARGET_PAGE_BITS); - memset(ram_list.phys_dirty + (new_block->offset >> TARGET_PAGE_BITS), - 0xff, new_block->length >> TARGET_PAGE_BITS); + memory_region_init_ram(&ram_memory, NULL, "xen.ram", block_len); if (ram_size >= HVM_BELOW_4G_RAM_END) { above_4g_mem_size = ram_size - HVM_BELOW_4G_RAM_END; @@ -166,18 +160,23 @@ static void xen_ram_init(ram_addr_t ram_size) below_4g_mem_size = ram_size; } - cpu_register_physical_memory(0, 0xa0000, 0); + memory_region_init_alias(&ram_640k, "xen.ram.640k", + &ram_memory, 0, 0xa0000); + memory_region_add_subregion(sysmem, 0, &ram_640k); /* Skip of the VGA IO memory space, it will be registered later by the VGA * emulated device. * * The area between 0xc0000 and 0x100000 will be used by SeaBIOS to load * the Options ROM, so it is registered here as RAM. */ - cpu_register_physical_memory(0xc0000, below_4g_mem_size - 0xc0000, - 0xc0000); + memory_region_init_alias(&ram_lo, "xen.ram.lo", + &ram_memory, 0xc0000, below_4g_mem_size - 0xc0000); + memory_region_add_subregion(sysmem, 0xc0000, &ram_lo); if (above_4g_mem_size > 0) { - cpu_register_physical_memory(0x100000000ULL, above_4g_mem_size, - 0x100000000ULL); + memory_region_init_alias(&ram_hi, "xen.ram.hi", + &ram_memory, 0x100000000ULL, + above_4g_mem_size); + memory_region_add_subregion(sysmem, 0x100000000ULL, &ram_hi); } } @@ -187,6 +186,10 @@ void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size, MemoryRegion *mr) xen_pfn_t *pfn_list; int i; + if (mr == &ram_memory) { + return; + } + trace_xen_ram_alloc(ram_addr, size); nr_pfn = size >> TARGET_PAGE_BITS; |