Index: ioemu/hw/pc.c
===================================================================
--- ioemu.orig/hw/pc.c 2006-08-06 02:15:39.708879311 +0100
+++ ioemu/hw/pc.c 2006-08-06 02:18:18.875135656 +0100
@@ -646,7 +646,9 @@
}
/* allocate RAM */
+#ifndef CONFIG_DM /* HVM domain owns memory */
cpu_register_physical_memory(0, ram_size, 0);
+#endif
/* BIOS load */
bios_offset = ram_size + vga_ram_size;
@@ -678,8 +680,10 @@
ret = load_image(buf, phys_ram_base + vga_bios_offset);
/* setup basic memory access */
+#ifndef CONFIG_DM /* HVM domain owns memory */
cpu_register_physical_memory(0xc0000, 0x10000,
vga_bios_offset | IO_MEM_ROM);
+#endif
/* map the last 128KB of the BIOS in ISA space */
isa_bios_size = bios_size;
Index: ioemu/vl.c
===================================================================
--- ioemu.orig/vl.c 2006-08-06 02:18:12.550840673 +0100
+++ ioemu/vl.c 2006-08-06 02:18:45.608155528 +0100
@@ -158,6 +158,8 @@
int acpi_enabled = 1;
int fd_bootchk = 1;
+int xc_handle;
+
char domain_name[1024] = { 'H','V', 'M', 'X', 'E', 'N', '-'};
extern int domid;
@@ -5650,6 +5652,9 @@
QEMUMachine *machine;
char usb_devices[MAX_USB_CMDLINE][128];
int usb_devices_index;
+ unsigned long nr_pages;
+ xen_pfn_t *page_array;
+ extern void *shared_page;
char qemu_dm_logfilename[64];
@@ -5917,11 +5922,13 @@
ram_size = atol(optarg) * 1024 * 1024;
if (ram_size <= 0)
help();
+#ifndef CONFIG_DM
if (ram_size > PHYS_RAM_MAX_SIZE) {
fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
PHYS_RAM_MAX_SIZE / (1024 * 1024));
exit(1);
}
+#endif /* !CONFIG_DM */
break;
case QEMU_OPTION_l:
{
@@ -6133,12 +6140,49 @@
/* init the memory */
phys_ram_size = ram_size + vga_ram_size + bios_size;
+#ifdef CONFIG_DM
+
+ nr_pages = ram_size/PAGE_SIZE;
+ xc_handle = xc_interface_open();
+
+ page_array = (xen_pfn_t *)malloc(nr_pages * sizeof(xen_pfn_t));
+ if (page_array == NULL) {
+ fprintf(logfile, "malloc returned error %d\n", errno);
+ exit(-1);
+ }
+
+ if (xc_get_pfn_list(xc_handle, domid, page_array, nr_pages) != nr_pages) {
+ fprintf(logfile, "xc_get_pfn_list returned error %d\n", errno);
+ exit(-1);
+ }
+
+ phys_ram_base = xc_map_foreign_batch(xc_handle, domid,
+ PROT_READ|PROT_WRITE, page_array,
+ nr_pages - 1);
+ if (phys_ram_base == 0) {
+ fprintf(logfile, "xc_map_foreign_batch returned error %d\n", errno);
+ exit(-1);
+ }
+
+ shared_page = xc_map_foreign_range(xc_handle, domid, PAGE_SIZE,
+ PROT_READ|PROT_WRITE,
+ page_array[nr_pages - 1]);
+
+ fprintf(logfile, "shared page at pfn:%lx, mfn: %"PRIx64"\n", nr_pages - 1,
+ (uint64_t)(page_array[nr_pages - 1]));
+
+ free(page_array);
+
+#else /* !CONFIG_DM */
+
phys_ram_base = qemu_vmalloc(phys_ram_size);
if (!phys_ram_base) {
fprintf(stderr, "Could not allocate physical memory\n");
exit(1);
}
+#endif /* !CONFIG_DM */
+
/* we always create the cdrom drive, even if no disk is there */
bdrv_init();
if (cdrom_index >= 0) {
d='n17' href='#n17'>17
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# group `sysex_tools` {#group__sysex__tools}
## Summary
Members | Descriptions
--------------------------------|---------------------------------------------
`public uint16_t `[`sysex_encoded_length`](#group__sysex__tools_1ga061e5607030412d6e62e2390d8013f0a)`(uint16_t decoded_length)` | Compute the length of a message after it is encoded.
`public uint16_t `[`sysex_decoded_length`](#group__sysex__tools_1ga121fc227d3acc1c0ea08c9a5c26fa3b0)`(uint16_t encoded_length)` | Compute the length of a message after it is decoded.
`public uint16_t `[`sysex_encode`](#group__sysex__tools_1ga54d77f8d32f92a6f329daefa2b314742)`(uint8_t * encoded,const uint8_t * source,uint16_t length)` | Encode data so that it can be transmitted safely in a sysex message.
`public uint16_t `[`sysex_decode`](#group__sysex__tools_1gaaad1d9ba2d5eca709a0ab4ba40662229)`(uint8_t * decoded,const uint8_t * source,uint16_t length)` | Decode encoded data.
## Members
#### `public uint16_t `[`sysex_encoded_length`](#group__sysex__tools_1ga061e5607030412d6e62e2390d8013f0a)`(uint16_t decoded_length)` {#group__sysex__tools_1ga061e5607030412d6e62e2390d8013f0a}
Compute the length of a message after it is encoded.
#### Parameters
* `decoded_length` The length, in bytes, of the message to encode.
#### Returns
The length, in bytes, of the message after encodeing.
#### `public uint16_t `[`sysex_decoded_length`](#group__sysex__tools_1ga121fc227d3acc1c0ea08c9a5c26fa3b0)`(uint16_t encoded_length)` {#group__sysex__tools_1ga121fc227d3acc1c0ea08c9a5c26fa3b0}
Compute the length of a message after it is decoded.
#### Parameters
* `encoded_length` The length, in bytes, of the encoded message.
#### Returns
The length, in bytes, of the message after it is decoded.
#### `public uint16_t `[`sysex_encode`](#group__sysex__tools_1ga54d77f8d32f92a6f329daefa2b314742)`(uint8_t * encoded,const uint8_t * source,uint16_t length)` {#group__sysex__tools_1ga54d77f8d32f92a6f329daefa2b314742}
Encode data so that it can be transmitted safely in a sysex message.
#### Parameters
* `encoded` The output data buffer, must be at least sysex_encoded_length(length) bytes long.
* `source` The input buffer of data to be encoded.
* `length` The number of bytes from the input buffer to encode.
#### Returns
number of bytes encoded.
#### `public uint16_t `[`sysex_decode`](#group__sysex__tools_1gaaad1d9ba2d5eca709a0ab4ba40662229)`(uint8_t * decoded,const uint8_t * source,uint16_t length)` {#group__sysex__tools_1gaaad1d9ba2d5eca709a0ab4ba40662229}
Decode encoded data.
#### Parameters
* `decoded` The output data buffer, must be at least sysex_decoded_length(length) bytes long.
* `source` The input buffer of data to be decoded.
* `length` The number of bytes from the input buffer to decode.
#### Returns
number of bytes decoded.
|