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vexpress: convert to memory API

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Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2011-10-05 18:49:54 +02:00
parent 62ceeb2c22
commit e6d17b056d
1 changed files with 17 additions and 14 deletions
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31
hw/vexpress.c
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@ -25,6 +25,7 @@
#include "net.h"
#include "sysemu.h"
#include "boards.h"
#include "exec-memory.h"
#define SMP_BOOT_ADDR 0xe0000000
@ -40,7 +41,12 @@ static void vexpress_a9_init(ram_addr_t ram_size,
const char *initrd_filename, const char *cpu_model)
{
CPUState *env = NULL;
ram_addr_t ram_offset, vram_offset, sram_offset;
MemoryRegion *sysmem = get_system_memory();
MemoryRegion *ram = g_new(MemoryRegion, 1);
MemoryRegion *lowram = g_new(MemoryRegion, 1);
MemoryRegion *vram = g_new(MemoryRegion, 1);
MemoryRegion *sram = g_new(MemoryRegion, 1);
MemoryRegion *hackram = g_new(MemoryRegion, 1);
DeviceState *dev, *sysctl, *pl041;
SysBusDevice *busdev;
qemu_irq *irqp;
@ -71,7 +77,7 @@ static void vexpress_a9_init(ram_addr_t ram_size,
exit(1);
}
ram_offset = qemu_ram_alloc(NULL, "vexpress.highmem", ram_size);
memory_region_init_ram(ram, NULL, "vexpress.highmem", ram_size);
low_ram_size = ram_size;
if (low_ram_size > 0x4000000) {
low_ram_size = 0x4000000;
@ -80,9 +86,9 @@ static void vexpress_a9_init(ram_addr_t ram_size,
* address space should in theory be remappable to various
* things including ROM or RAM; we always map the RAM there.
*/
cpu_register_physical_memory(0x0, low_ram_size, ram_offset | IO_MEM_RAM);
cpu_register_physical_memory(0x60000000, ram_size,
ram_offset | IO_MEM_RAM);
memory_region_init_alias(lowram, "vexpress.lowmem", ram, 0, low_ram_size);
memory_region_add_subregion(sysmem, 0x0, lowram);
memory_region_add_subregion(sysmem, 0x60000000, ram);
/* 0x1e000000 A9MPCore (SCU) private memory region */
dev = qdev_create(NULL, "a9mpcore_priv");
@ -175,17 +181,15 @@ static void vexpress_a9_init(ram_addr_t ram_size,
/* CS4: NOR1 flash : 0x44000000 .. 0x48000000 */
/* CS2: SRAM : 0x48000000 .. 0x4a000000 */
sram_size = 0x2000000;
sram_offset = qemu_ram_alloc(NULL, "vexpress.sram", sram_size);
cpu_register_physical_memory(0x48000000, sram_size,
sram_offset | IO_MEM_RAM);
memory_region_init_ram(sram, NULL, "vexpress.sram", sram_size);
memory_region_add_subregion(sysmem, 0x48000000, sram);
/* CS3: USB, ethernet, VRAM : 0x4c000000 .. 0x50000000 */
/* 0x4c000000 Video RAM */
vram_size = 0x800000;
vram_offset = qemu_ram_alloc(NULL, "vexpress.vram", vram_size);
cpu_register_physical_memory(0x4c000000, vram_size,
vram_offset | IO_MEM_RAM);
memory_region_init_ram(vram, NULL, "vexpress.vram", vram_size);
memory_region_add_subregion(sysmem, 0x4c000000, vram);
/* 0x4e000000 LAN9118 Ethernet */
if (nd_table[0].vlan) {
@ -198,9 +202,8 @@ static void vexpress_a9_init(ram_addr_t ram_size,
startup code. I guess this works on real hardware because the
BootROM happens to be in ROM/flash or in memory that isn't clobbered
until after Linux boots the secondary CPUs. */
ram_offset = qemu_ram_alloc(NULL, "vexpress.hack", 0x1000);
cpu_register_physical_memory(SMP_BOOT_ADDR, 0x1000,
ram_offset | IO_MEM_RAM);
memory_region_init_ram(hackram, NULL, "vexpress.hack", 0x1000);
memory_region_add_subregion(sysmem, SMP_BOOT_ADDR, hackram);
vexpress_binfo.ram_size = ram_size;
vexpress_binfo.kernel_filename = kernel_filename;