const char *kernel_filename, const char *cpu_model);
/* arm_boot.c */
-
-void arm_load_kernel(CPUState *env, int ram_size, const char *kernel_filename,
- const char *kernel_cmdline, const char *initrd_filename,
- int board_id, target_phys_addr_t loader_start);
+struct arm_boot_info {
+ int ram_size;
+ const char *kernel_filename;
+ const char *kernel_cmdline;
+ const char *initrd_filename;
+ target_phys_addr_t loader_start;
+ int nb_cpus;
+ int board_id;
+ int (*atag_board)(struct arm_boot_info *info, void *p);
+};
+void arm_load_kernel(CPUState *env, struct arm_boot_info *info);
/* armv7m_nvic.c */
int system_clock_scale;
CPUState *env = opaque;
cpu_reset(env);
- if (env->kernel_filename)
- arm_load_kernel(env, env->ram_size, env->kernel_filename,
- env->kernel_cmdline, env->initrd_filename,
- env->board_id, env->loader_start);
+ if (env->boot_info)
+ arm_load_kernel(env, env->boot_info);
/* TODO: Reset secondary CPUs. */
}
-static void set_kernel_args(uint32_t ram_size, int initrd_size,
- const char *kernel_cmdline,
- target_phys_addr_t loader_start)
+static void set_kernel_args(struct arm_boot_info *info,
+ int initrd_size, void *base)
{
uint32_t *p;
- p = (uint32_t *)(phys_ram_base + KERNEL_ARGS_ADDR);
+ p = (uint32_t *)(base + KERNEL_ARGS_ADDR);
/* ATAG_CORE */
stl_raw(p++, 5);
stl_raw(p++, 0x54410001);
stl_raw(p++, 0x1000);
stl_raw(p++, 0);
/* ATAG_MEM */
+ /* TODO: handle multiple chips on one ATAG list */
stl_raw(p++, 4);
stl_raw(p++, 0x54410002);
- stl_raw(p++, ram_size);
- stl_raw(p++, loader_start);
+ stl_raw(p++, info->ram_size);
+ stl_raw(p++, info->loader_start);
if (initrd_size) {
/* ATAG_INITRD2 */
stl_raw(p++, 4);
stl_raw(p++, 0x54420005);
- stl_raw(p++, loader_start + INITRD_LOAD_ADDR);
+ stl_raw(p++, info->loader_start + INITRD_LOAD_ADDR);
stl_raw(p++, initrd_size);
}
- if (kernel_cmdline && *kernel_cmdline) {
+ if (info->kernel_cmdline && *info->kernel_cmdline) {
/* ATAG_CMDLINE */
int cmdline_size;
- cmdline_size = strlen(kernel_cmdline);
- memcpy (p + 2, kernel_cmdline, cmdline_size + 1);
+ cmdline_size = strlen(info->kernel_cmdline);
+ memcpy(p + 2, info->kernel_cmdline, cmdline_size + 1);
cmdline_size = (cmdline_size >> 2) + 1;
stl_raw(p++, cmdline_size + 2);
stl_raw(p++, 0x54410009);
p += cmdline_size;
}
+ if (info->atag_board) {
+ /* ATAG_BOARD */
+ int atag_board_len;
+
+ atag_board_len = (info->atag_board(info, p + 2) + 3) >> 2;
+ stl_raw(p++, 2 + atag_board_len);
+ stl_raw(p++, 0x414f4d50);
+ p += atag_board_len;
+ }
/* ATAG_END */
stl_raw(p++, 0);
stl_raw(p++, 0);
}
-static void set_kernel_args_old(uint32_t ram_size, int initrd_size,
- const char *kernel_cmdline,
- target_phys_addr_t loader_start)
+static void set_kernel_args_old(struct arm_boot_info *info,
+ int initrd_size, void *base)
{
uint32_t *p;
unsigned char *s;
/* see linux/include/asm-arm/setup.h */
- p = (uint32_t *)(phys_ram_base + KERNEL_ARGS_ADDR);
+ p = (uint32_t *)(base + KERNEL_ARGS_ADDR);
/* page_size */
stl_raw(p++, 4096);
/* nr_pages */
- stl_raw(p++, ram_size / 4096);
+ stl_raw(p++, info->ram_size / 4096);
/* ramdisk_size */
stl_raw(p++, 0);
#define FLAG_READONLY 1
stl_raw(p++, 0);
/* initrd_start */
if (initrd_size)
- stl_raw(p++, loader_start + INITRD_LOAD_ADDR);
+ stl_raw(p++, info->loader_start + INITRD_LOAD_ADDR);
else
stl_raw(p++, 0);
/* initrd_size */
stl_raw(p++, 0);
/* zero unused fields */
memset(p, 0, 256 + 1024 -
- (p - ((uint32_t *)(phys_ram_base + KERNEL_ARGS_ADDR))));
- s = phys_ram_base + KERNEL_ARGS_ADDR + 256 + 1024;
- if (kernel_cmdline)
- strcpy (s, kernel_cmdline);
+ (p - ((uint32_t *)(base + KERNEL_ARGS_ADDR))));
+ s = base + KERNEL_ARGS_ADDR + 256 + 1024;
+ if (info->kernel_cmdline)
+ strcpy (s, info->kernel_cmdline);
else
stb_raw(s, 0);
}
-void arm_load_kernel(CPUState *env, int ram_size, const char *kernel_filename,
- const char *kernel_cmdline, const char *initrd_filename,
- int board_id, target_phys_addr_t loader_start)
+void arm_load_kernel(CPUState *env, struct arm_boot_info *info)
{
int kernel_size;
int initrd_size;
int is_linux = 0;
uint64_t elf_entry;
target_ulong entry;
+ uint32_t pd;
+ void *loader_phys;
/* Load the kernel. */
- if (!kernel_filename) {
+ if (!info->kernel_filename) {
fprintf(stderr, "Kernel image must be specified\n");
exit(1);
}
- if (!env->kernel_filename) {
- env->ram_size = ram_size;
- env->kernel_filename = kernel_filename;
- env->kernel_cmdline = kernel_cmdline;
- env->initrd_filename = initrd_filename;
- env->board_id = board_id;
- env->loader_start = loader_start;
+ if (!env->boot_info) {
+ if (info->nb_cpus == 0)
+ info->nb_cpus = 1;
+ env->boot_info = info;
qemu_register_reset(main_cpu_reset, env);
}
+
+ pd = cpu_get_physical_page_desc(info->loader_start);
+ loader_phys = phys_ram_base + (pd & TARGET_PAGE_MASK) +
+ (info->loader_start & ~TARGET_PAGE_MASK);
+
/* Assume that raw images are linux kernels, and ELF images are not. */
- kernel_size = load_elf(kernel_filename, 0, &elf_entry, NULL, NULL);
+ kernel_size = load_elf(info->kernel_filename, 0, &elf_entry, NULL, NULL);
entry = elf_entry;
if (kernel_size < 0) {
- kernel_size = load_uboot(kernel_filename, &entry, &is_linux);
+ kernel_size = load_uboot(info->kernel_filename, &entry, &is_linux);
}
if (kernel_size < 0) {
- kernel_size = load_image(kernel_filename,
- phys_ram_base + KERNEL_LOAD_ADDR);
- entry = loader_start + KERNEL_LOAD_ADDR;
+ kernel_size = load_image(info->kernel_filename,
+ loader_phys + KERNEL_LOAD_ADDR);
+ entry = info->loader_start + KERNEL_LOAD_ADDR;
is_linux = 1;
}
if (kernel_size < 0) {
- fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename);
+ fprintf(stderr, "qemu: could not load kernel '%s'\n",
+ info->kernel_filename);
exit(1);
}
if (!is_linux) {
env->regs[15] = entry & 0xfffffffe;
env->thumb = entry & 1;
} else {
- if (initrd_filename) {
- initrd_size = load_image(initrd_filename,
- phys_ram_base + INITRD_LOAD_ADDR);
+ if (info->initrd_filename) {
+ initrd_size = load_image(info->initrd_filename,
+ loader_phys + INITRD_LOAD_ADDR);
if (initrd_size < 0) {
fprintf(stderr, "qemu: could not load initrd '%s'\n",
- initrd_filename);
+ info->initrd_filename);
exit(1);
}
} else {
initrd_size = 0;
}
- bootloader[1] |= board_id & 0xff;
- bootloader[2] |= (board_id >> 8) & 0xff;
- bootloader[5] = loader_start + KERNEL_ARGS_ADDR;
+ bootloader[1] |= info->board_id & 0xff;
+ bootloader[2] |= (info->board_id >> 8) & 0xff;
+ bootloader[5] = info->loader_start + KERNEL_ARGS_ADDR;
bootloader[6] = entry;
for (n = 0; n < sizeof(bootloader) / 4; n++)
- stl_raw(phys_ram_base + (n * 4), bootloader[n]);
- for (n = 0; n < sizeof(smpboot) / 4; n++)
- stl_raw(phys_ram_base + ram_size + (n * 4), smpboot[n]);
+ stl_raw(loader_phys + (n * 4), bootloader[n]);
+ if (info->nb_cpus > 1)
+ for (n = 0; n < sizeof(smpboot) / 4; n++)
+ stl_raw(loader_phys + info->ram_size + (n * 4), smpboot[n]);
if (old_param)
- set_kernel_args_old(ram_size, initrd_size,
- kernel_cmdline, loader_start);
+ set_kernel_args_old(info, initrd_size, loader_phys);
else
- set_kernel_args(ram_size, initrd_size,
- kernel_cmdline, loader_start);
+ set_kernel_args(info, initrd_size, loader_phys);
}
}
/* Board init. */
+static struct arm_boot_info integrator_binfo = {
+ .loader_start = 0x0,
+ .board_id = 0x113,
+};
+
static void integratorcp_init(int ram_size, int vga_ram_size,
const char *boot_device, DisplayState *ds,
const char *kernel_filename, const char *kernel_cmdline,
}
pl110_init(ds, 0xc0000000, pic[22], 0);
- arm_load_kernel(env, ram_size, kernel_filename, kernel_cmdline,
- initrd_filename, 0x113, 0x0);
+ integrator_binfo.ram_size = ram_size;
+ integrator_binfo.kernel_filename = kernel_filename;
+ integrator_binfo.kernel_cmdline = kernel_cmdline;
+ integrator_binfo.initrd_filename = initrd_filename;
+ arm_load_kernel(env, &integrator_binfo);
}
QEMUMachine integratorcp_machine = {
enum mainstone_model_e { mainstone };
+static struct arm_boot_info mainstone_binfo = {
+ .loader_start = PXA2XX_SDRAM_BASE,
+ .ram_size = 0x04000000,
+};
+
static void mainstone_common_init(int ram_size, int vga_ram_size,
DisplayState *ds, const char *kernel_filename,
const char *kernel_cmdline, const char *initrd_filename,
const char *cpu_model, enum mainstone_model_e model, int arm_id)
{
- uint32_t mainstone_ram = 0x04000000;
+ uint32_t mainstone_ram = mainstone_binfo.ram_size;
uint32_t mainstone_rom = 0x00800000;
uint32_t mainstone_flash = 0x02000000;
uint32_t sector_len = 256 * 1024;
qemu_ram_alloc(mainstone_rom) | IO_MEM_ROM);
/* Setup initial (reset) machine state */
- cpu->env->regs[15] = PXA2XX_SDRAM_BASE;
+ cpu->env->regs[15] = mainstone_binfo.loader_start;
/* There are two 32MiB flash devices on the board */
for (i = 0; i < 2; i ++) {
smc91c111_init(&nd_table[0], MST_ETH_PHYS, mst_irq[ETHERNET_IRQ]);
- arm_load_kernel(cpu->env, mainstone_ram, kernel_filename, kernel_cmdline,
- initrd_filename, arm_id, PXA2XX_SDRAM_BASE);
+ mainstone_binfo.kernel_filename = kernel_filename;
+ mainstone_binfo.kernel_cmdline = kernel_cmdline;
+ mainstone_binfo.initrd_filename = initrd_filename;
+ mainstone_binfo.board_id = arm_id;
+ arm_load_kernel(cpu->env, &mainstone_binfo);
}
static void mainstone_init(int ram_size, int vga_ram_size,
qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[11]);
}
+static struct arm_boot_info palmte_binfo = {
+ .loader_start = OMAP_EMIFF_BASE,
+ .ram_size = 0x02000000,
+ .board_id = 0x331,
+};
+
static void palmte_init(int ram_size, int vga_ram_size,
const char *boot_device, DisplayState *ds,
const char *kernel_filename, const char *kernel_cmdline,
{
struct omap_mpu_state_s *cpu;
int flash_size = 0x00800000;
- int sdram_size = 0x02000000;
+ int sdram_size = palmte_binfo.ram_size;
int io;
static uint32_t cs0val = 0xffffffff;
static uint32_t cs1val = 0x0000e1a0;
/* Load the kernel. */
if (kernel_filename) {
/* Start at bootloader. */
- cpu->env->regs[15] = OMAP_EMIFF_BASE;
+ cpu->env->regs[15] = palmte_binfo.loader_start;
- arm_load_kernel(cpu->env, sdram_size, kernel_filename, kernel_cmdline,
- initrd_filename, 0x331, OMAP_EMIFF_BASE);
+ palmte_binfo.kernel_filename = kernel_filename;
+ palmte_binfo.kernel_cmdline = kernel_cmdline;
+ palmte_binfo.initrd_filename = initrd_filename;
+ arm_load_kernel(cpu->env, &palmte_binfo);
}
dpy_resize(ds, 320, 320);
/* Board init. */
+static struct arm_boot_info realview_binfo = {
+ .loader_start = 0x0,
+ .board_id = 0x33b,
+};
+
static void realview_init(int ram_size, int vga_ram_size,
const char *boot_device, DisplayState *ds,
const char *kernel_filename, const char *kernel_cmdline,
/* 0x68000000 PCI mem 1. */
/* 0x6c000000 PCI mem 2. */
- arm_load_kernel(first_cpu, ram_size, kernel_filename, kernel_cmdline,
- initrd_filename, 0x33b, 0x0);
+ realview_binfo.ram_size = ram_size;
+ realview_binfo.kernel_filename = kernel_filename;
+ realview_binfo.kernel_cmdline = kernel_cmdline;
+ realview_binfo.initrd_filename = initrd_filename;
+ realview_binfo.nb_cpus = ncpu;
+ arm_load_kernel(first_cpu, &realview_binfo);
/* ??? Hack to map an additional page of ram for the secondary CPU
startup code. I guess this works on real hardware because the
/* Board init. */
enum spitz_model_e { spitz, akita, borzoi, terrier };
+static struct arm_boot_info spitz_binfo = {
+ .loader_start = PXA2XX_SDRAM_BASE,
+ .ram_size = 0x04000000,
+};
+
static void spitz_common_init(int ram_size, int vga_ram_size,
DisplayState *ds, const char *kernel_filename,
const char *kernel_cmdline, const char *initrd_filename,
const char *cpu_model, enum spitz_model_e model, int arm_id)
{
- uint32_t spitz_ram = 0x04000000;
+ uint32_t spitz_ram = spitz_binfo.ram_size;
uint32_t spitz_rom = 0x00800000;
struct pxa2xx_state_s *cpu;
struct scoop_info_s *scp;
spitz_microdrive_attach(cpu);
/* Setup initial (reset) machine state */
- cpu->env->regs[15] = PXA2XX_SDRAM_BASE;
+ cpu->env->regs[15] = spitz_binfo.loader_start;
- arm_load_kernel(cpu->env, spitz_ram, kernel_filename, kernel_cmdline,
- initrd_filename, arm_id, PXA2XX_SDRAM_BASE);
+ spitz_binfo.kernel_filename = kernel_filename;
+ spitz_binfo.kernel_cmdline = kernel_cmdline;
+ spitz_binfo.initrd_filename = initrd_filename;
+ spitz_binfo.board_id = arm_id;
+ arm_load_kernel(cpu->env, &spitz_binfo);
sl_bootparam_write(SL_PXA_PARAM_BASE - PXA2XX_SDRAM_BASE);
}
peripherans and expansion busses. For now we emulate a subset of the
PB peripherals and just change the board ID. */
+static struct arm_boot_info versatile_binfo;
+
static void versatile_init(int ram_size, int vga_ram_size,
const char *boot_device, DisplayState *ds,
const char *kernel_filename, const char *kernel_cmdline,
/* 0x101f3000 UART2. */
/* 0x101f4000 SSPI. */
- arm_load_kernel(env, ram_size, kernel_filename, kernel_cmdline,
- initrd_filename, board_id, 0x0);
+ versatile_binfo.ram_size = ram_size;
+ versatile_binfo.kernel_filename = kernel_filename;
+ versatile_binfo.kernel_cmdline = kernel_cmdline;
+ versatile_binfo.initrd_filename = initrd_filename;
+ versatile_binfo.board_id = board_id;
+ arm_load_kernel(env, &versatile_binfo);
}
static void vpb_init(int ram_size, int vga_ram_size,
typedef uint32_t ARMReadCPFunc(void *opaque, int cp_info,
int dstreg, int operand);
+struct arm_boot_info;
+
#define NB_MMU_MODES 2
/* We currently assume float and double are IEEE single and double
CPU_COMMON
/* These fields after the common ones so they are preserved on reset. */
- int ram_size;
- const char *kernel_filename;
- const char *kernel_cmdline;
- const char *initrd_filename;
- int board_id;
- target_phys_addr_t loader_start;
+ struct arm_boot_info *boot_info;
} CPUARMState;
CPUARMState *cpu_arm_init(const char *cpu_model);
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