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armv7m: convert to memory API 

Reviewed-by: Richard Henderson  <rth@twiddle.net>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2011-07-25 14:27:01 +03:00
parent 72e4d2554d
commit 7d6f78cfac
3 changed files with 20 additions and 12 deletions
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5
hw/arm-misc.h
View File

@ -11,13 +11,16 @@
#ifndef ARM_MISC_H
#define ARM_MISC_H 1
#include "memory.h"
/* The CPU is also modeled as an interrupt controller. */
#define ARM_PIC_CPU_IRQ 0
#define ARM_PIC_CPU_FIQ 1
qemu_irq *arm_pic_init_cpu(CPUState *env);
/* armv7m.c */
qemu_irq *armv7m_init(int flash_size, int sram_size,
qemu_irq *armv7m_init(MemoryRegion *address_space_mem,
int flash_size, int sram_size,
const char *kernel_filename, const char *cpu_model);
/* arm_boot.c */

22
hw/armv7m.c
View File

@ -156,7 +156,8 @@ static void armv7m_reset(void *opaque)
flash_size and sram_size are in kb.
Returns the NVIC array. */
qemu_irq *armv7m_init(int flash_size, int sram_size,
qemu_irq *armv7m_init(MemoryRegion *address_space_mem,
int flash_size, int sram_size,
const char *kernel_filename, const char *cpu_model)
{
CPUState *env;
@ -169,6 +170,9 @@ qemu_irq *armv7m_init(int flash_size, int sram_size,
uint64_t lowaddr;
int i;
int big_endian;
MemoryRegion *sram = g_new(MemoryRegion, 1);
MemoryRegion *flash = g_new(MemoryRegion, 1);
MemoryRegion *hack = g_new(MemoryRegion, 1);
flash_size *= 1024;
sram_size *= 1024;
@ -194,12 +198,11 @@ qemu_irq *armv7m_init(int flash_size, int sram_size,
#endif
/* Flash programming is done via the SCU, so pretend it is ROM. */
cpu_register_physical_memory(0, flash_size,
qemu_ram_alloc(NULL, "armv7m.flash",
flash_size) | IO_MEM_ROM);
cpu_register_physical_memory(0x20000000, sram_size,
qemu_ram_alloc(NULL, "armv7m.sram",
sram_size) | IO_MEM_RAM);
memory_region_init_ram(flash, NULL, "armv7m.flash", flash_size);
memory_region_set_readonly(flash, true);
memory_region_add_subregion(address_space_mem, 0, flash);
memory_region_init_ram(sram, NULL, "armv7m.sram", sram_size);
memory_region_add_subregion(address_space_mem, 0x20000000, sram);
armv7m_bitband_init();
nvic = qdev_create(NULL, "armv7m_nvic");
@ -232,9 +235,8 @@ qemu_irq *armv7m_init(int flash_size, int sram_size,
/* Hack to map an additional page of ram at the top of the address
space. This stops qemu complaining about executing code outside RAM
when returning from an exception. */
cpu_register_physical_memory(0xfffff000, 0x1000,
qemu_ram_alloc(NULL, "armv7m.hack",
0x1000) | IO_MEM_RAM);
memory_region_init_ram(hack, NULL, "armv7m.hack", 0x1000);
memory_region_add_subregion(address_space_mem, 0xfffff000, hack);
qemu_register_reset(armv7m_reset, env);
return pic;

5
hw/stellaris.c
View File

@ -15,6 +15,7 @@
#include "i2c.h"
#include "net.h"
#include "boards.h"
#include "exec-memory.h"
#define GPIO_A 0
#define GPIO_B 1
@ -1260,6 +1261,7 @@ static void stellaris_init(const char *kernel_filename, const char *cpu_model,
0x40024000, 0x40025000, 0x40026000};
static const int gpio_irq[7] = {0, 1, 2, 3, 4, 30, 31};
MemoryRegion *address_space_mem = get_system_memory();
qemu_irq *pic;
DeviceState *gpio_dev[7];
qemu_irq gpio_in[7][8];
@ -1274,7 +1276,8 @@ static void stellaris_init(const char *kernel_filename, const char *cpu_model,
flash_size = ((board->dc0 & 0xffff) + 1) << 1;
sram_size = (board->dc0 >> 18) + 1;
pic = armv7m_init(flash_size, sram_size, kernel_filename, cpu_model);
pic = armv7m_init(address_space_mem,
flash_size, sram_size, kernel_filename, cpu_model);
if (board->dc1 & (1 << 16)) {
dev = sysbus_create_varargs("stellaris-adc", 0x40038000,