qdev: Don't assume existence of parent bus on unparenting

[qemu.git] / hw / milkymist.c

diff --git a/hw/milkymist.c b/hw/milkymist.c
index 092d8b072b58abac2f22b1d6e55ca7ccd757f101..0c23b672f3610309055fd376e5096132634faa10 100644 (file)
--- a/hw/milkymist.c
+++ b/hw/milkymist.c
@@ -19,16 +19,16 @@
 
 #include "sysbus.h"
 #include "hw.h"
-#include "net.h"
 #include "flash.h"
-#include "sysemu.h"
+#include "sysemu/sysemu.h"
 #include "devices.h"
 #include "boards.h"
 #include "loader.h"
 #include "elf.h"
-#include "blockdev.h"
+#include "sysemu/blockdev.h"
 #include "milkymist-hw.h"
 #include "lm32.h"
+#include "exec/address-spaces.h"
 
 #define BIOS_FILENAME    "mmone-bios.bin"
 #define BIOS_OFFSET      0x00860000
@@ -36,17 +36,17 @@
 #define KERNEL_LOAD_ADDR 0x40000000
 
 typedef struct {
-    CPUState *env;
-    target_phys_addr_t bootstrap_pc;
-    target_phys_addr_t flash_base;
-    target_phys_addr_t initrd_base;
+    LM32CPU *cpu;
+    hwaddr bootstrap_pc;
+    hwaddr flash_base;
+    hwaddr initrd_base;
     size_t initrd_size;
-    target_phys_addr_t cmdline_base;
+    hwaddr cmdline_base;
 } ResetInfo;
 
 static void cpu_irq_handler(void *opaque, int irq, int level)
 {
-    CPUState *env = opaque;
+    CPULM32State *env = opaque;
 
     if (level) {
         cpu_interrupt(env, CPU_INTERRUPT_HARD);
@@ -58,9 +58,9 @@ static void cpu_irq_handler(void *opaque, int irq, int level)
 static void main_cpu_reset(void *opaque)
 {
     ResetInfo *reset_info = opaque;
-    CPUState *env = reset_info->env;
+    CPULM32State *env = &reset_info->cpu->env;
 
-    cpu_reset(env);
+    cpu_reset(CPU(reset_info->cpu));
 
     /* init defaults */
     env->pc = reset_info->bootstrap_pc;
@@ -72,31 +72,32 @@ static void main_cpu_reset(void *opaque)
 }
 
 static void
-milkymist_init(ram_addr_t ram_size_not_used,
-                          const char *boot_device,
-                          const char *kernel_filename,
-                          const char *kernel_cmdline,
-                          const char *initrd_filename, const char *cpu_model)
+milkymist_init(QEMUMachineInitArgs *args)
 {
-    CPUState *env;
+    const char *cpu_model = args->cpu_model;
+    const char *kernel_filename = args->kernel_filename;
+    const char *kernel_cmdline = args->kernel_cmdline;
+    const char *initrd_filename = args->initrd_filename;
+    LM32CPU *cpu;
+    CPULM32State *env;
     int kernel_size;
     DriveInfo *dinfo;
-    ram_addr_t phys_sdram;
-    MemoryRegion *phys_flash = g_new(MemoryRegion, 1);
+    MemoryRegion *address_space_mem = get_system_memory();
+    MemoryRegion *phys_sdram = g_new(MemoryRegion, 1);
     qemu_irq irq[32], *cpu_irq;
     int i;
     char *bios_filename;
     ResetInfo *reset_info;
 
     /* memory map */
-    target_phys_addr_t flash_base   = 0x00000000;
+    hwaddr flash_base   = 0x00000000;
     size_t flash_sector_size        = 128 * 1024;
     size_t flash_size               = 32 * 1024 * 1024;
-    target_phys_addr_t sdram_base   = 0x40000000;
+    hwaddr sdram_base   = 0x40000000;
     size_t sdram_size               = 128 * 1024 * 1024;
 
-    target_phys_addr_t initrd_base  = sdram_base + 0x1002000;
-    target_phys_addr_t cmdline_base = sdram_base + 0x1000000;
+    hwaddr initrd_base  = sdram_base + 0x1002000;
+    hwaddr cmdline_base = sdram_base + 0x1000000;
     size_t initrd_max = sdram_size - 0x1002000;
 
     reset_info = g_malloc0(sizeof(ResetInfo));
@@ -104,23 +105,22 @@ milkymist_init(ram_addr_t ram_size_not_used,
     if (cpu_model == NULL) {
         cpu_model = "lm32-full";
     }
-    env = cpu_init(cpu_model);
-    reset_info->env = env;
+    cpu = cpu_lm32_init(cpu_model);
+    env = &cpu->env;
+    reset_info->cpu = cpu;
 
     cpu_lm32_set_phys_msb_ignore(env, 1);
 
-    phys_sdram = qemu_ram_alloc(NULL, "milkymist.sdram", sdram_size);
-    cpu_register_physical_memory(sdram_base, sdram_size,
-            phys_sdram | IO_MEM_RAM);
+    memory_region_init_ram(phys_sdram, "milkymist.sdram", sdram_size);
+    vmstate_register_ram_global(phys_sdram);
+    memory_region_add_subregion(address_space_mem, sdram_base, phys_sdram);
 
-    memory_region_init_rom_device(phys_flash, &pflash_cfi01_ops_be,
-                                  NULL, "milkymist.flash", flash_size);
     dinfo = drive_get(IF_PFLASH, 0, 0);
     /* Numonyx JS28F256J3F105 */
-    pflash_cfi01_register(flash_base, phys_flash,
+    pflash_cfi01_register(flash_base, NULL, "milkymist.flash", flash_size,
                           dinfo ? dinfo->bdrv : NULL, flash_sector_size,
                           flash_size / flash_sector_size, 2,
-                          0x00, 0x89, 0x00, 0x1d);
+                          0x00, 0x89, 0x00, 0x1d, 1);
 
     /* create irq lines */
     cpu_irq = qemu_allocate_irqs(cpu_irq_handler, env, 1);
@@ -148,17 +148,17 @@ milkymist_init(ram_addr_t ram_size_not_used,
         exit(1);
     }
 
-    milkymist_uart_create(0x60000000, irq[0], irq[1]);
-    milkymist_sysctl_create(0x60001000, irq[2], irq[3], irq[4],
+    milkymist_uart_create(0x60000000, irq[0]);
+    milkymist_sysctl_create(0x60001000, irq[1], irq[2], irq[3],
             80000000, 0x10014d31, 0x0000041f, 0x00000001);
     milkymist_hpdmc_create(0x60002000);
     milkymist_vgafb_create(0x60003000, 0x40000000, 0x0fffffff);
     milkymist_memcard_create(0x60004000);
-    milkymist_ac97_create(0x60005000, irq[5], irq[6], irq[7], irq[8]);
-    milkymist_pfpu_create(0x60006000, irq[9]);
-    milkymist_tmu2_create(0x60007000, irq[10]);
-    milkymist_minimac2_create(0x60008000, 0x30000000, irq[11], irq[12]);
-    milkymist_softusb_create(0x6000f000, irq[17],
+    milkymist_ac97_create(0x60005000, irq[4], irq[5], irq[6], irq[7]);
+    milkymist_pfpu_create(0x60006000, irq[8]);
+    milkymist_tmu2_create(0x60007000, irq[9]);
+    milkymist_minimac2_create(0x60008000, 0x30000000, irq[10], irq[11]);
+    milkymist_softusb_create(0x6000f000, irq[15],
             0x20000000, 0x1000, 0x20020000, 0x2000);
 
     /* make sure juart isn't the first chardev */