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[Qemu-devel] [PATCH 14/61] pc: split out memory allocation from pc_init1
From: |
Isaku Yamahata |
Subject: |
[Qemu-devel] [PATCH 14/61] pc: split out memory allocation from pc_init1() into pc_memory_init() |
Date: |
Wed, 30 Sep 2009 19:17:50 +0900 |
Split out memory allocation and rom/bios loading which doesn't depend
on piix from pc_init1() into pc_memory_init().
Later it will be used.
Signed-off-by: Isaku Yamahata <address@hidden>
---
hw/pc.c | 69 +++++++++++++++++++++++++++++++++++++++-----------------------
1 files changed, 43 insertions(+), 26 deletions(-)
diff --git a/hw/pc.c b/hw/pc.c
index 10847ae..b987b34 100644
--- a/hw/pc.c
+++ b/hw/pc.c
@@ -1148,36 +1148,20 @@ static qemu_irq *pc_allocate_cpu_irq(void)
return qemu_allocate_irqs(pic_irq_request, NULL, 1);
}
-/* PC hardware initialisation */
-static void pc_init1(ram_addr_t ram_size,
- const char *boot_device,
- const char *kernel_filename,
- const char *kernel_cmdline,
- const char *initrd_filename,
- const char *cpu_model,
- int pci_enabled)
+static void pc_memory_init(ram_addr_t ram_size,
+ const char *kernel_filename,
+ const char *kernel_cmdline,
+ const char *initrd_filename,
+ ram_addr_t *below_4g_mem_size_p,
+ ram_addr_t *above_4g_mem_size_p)
{
char *filename;
int ret, linux_boot, i;
ram_addr_t ram_addr, bios_offset, option_rom_offset;
ram_addr_t below_4g_mem_size, above_4g_mem_size = 0;
int bios_size, isa_bios_size, oprom_area_size;
- PCIBus *pci_bus;
- ISADevice *isa_dev;
- PCII440FXState *i440fx_state;
- int piix3_devfn = -1;
- qemu_irq *cpu_irq;
- qemu_irq *isa_irq;
- qemu_irq *i8259;
- IsaIrqState *isa_irq_state;
- DriveInfo *dinfo;
- DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
- BlockDriverState *fd[MAX_FD];
int using_vga = cirrus_vga_enabled || std_vga_enabled || vmsvga_enabled;
void *fw_cfg;
- fdctrl_t *floppy_controller;
- RTCState *rtc_state;
- PITState *pit;
if (ram_size >= 0xe0000000 ) {
above_4g_mem_size = ram_size - 0xe0000000;
@@ -1185,13 +1169,11 @@ static void pc_init1(ram_addr_t ram_size,
} else {
below_4g_mem_size = ram_size;
}
+ *above_4g_mem_size_p = above_4g_mem_size;
+ *below_4g_mem_size_p = below_4g_mem_size;
linux_boot = (kernel_filename != NULL);
- pc_cpus_init(cpu_model);
-
- vmport_init();
-
/* allocate RAM */
ram_addr = qemu_ram_alloc(0xa0000);
cpu_register_physical_memory(0, 0xa0000, ram_addr);
@@ -1303,6 +1285,41 @@ static void pc_init1(ram_addr_t ram_size,
oprom_area_size += load_option_rom(nic_oprom, 0xc0000 +
oprom_area_size,
0xe0000);
}
+}
+
+/* PC hardware initialisation */
+static void pc_init1(ram_addr_t ram_size,
+ const char *boot_device,
+ const char *kernel_filename,
+ const char *kernel_cmdline,
+ const char *initrd_filename,
+ const char *cpu_model,
+ int pci_enabled)
+{
+ int i;
+ ram_addr_t below_4g_mem_size, above_4g_mem_size;
+ PCIBus *pci_bus;
+ ISADevice *isa_dev;
+ PCII440FXState *i440fx_state;
+ int piix3_devfn = -1;
+ qemu_irq *cpu_irq;
+ qemu_irq *isa_irq;
+ qemu_irq *i8259;
+ IsaIrqState *isa_irq_state;
+ DriveInfo *dinfo;
+ DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
+ BlockDriverState *fd[MAX_FD];
+ fdctrl_t *floppy_controller;
+ RTCState *rtc_state;
+ PITState *pit;
+
+ pc_cpus_init(cpu_model);
+
+ vmport_init();
+
+ /* allocate ram and load rom/bios */
+ pc_memory_init(ram_size, kernel_filename, kernel_cmdline, initrd_filename,
+ &below_4g_mem_size, &above_4g_mem_size);
cpu_irq = pc_allocate_cpu_irq();
i8259 = i8259_init(cpu_irq[0]);
--
1.6.0.2
- [Qemu-devel] [PATCH 02/61] acpi: split out apm register emulation from acpi.c, (continued)
- [Qemu-devel] [PATCH 02/61] acpi: split out apm register emulation from acpi.c, Isaku Yamahata, 2009/09/30
- [Qemu-devel] [PATCH 26/61] pci: 64bit bar support., Isaku Yamahata, 2009/09/30
- [Qemu-devel] [PATCH 04/61] acpi: split acpi.c into the common part and the piix4 part., Isaku Yamahata, 2009/09/30
- [Qemu-devel] [PATCH 28/61] pci: factor out while(bus) bus->next loop logic into pci_find_bus_from()., Isaku Yamahata, 2009/09/30
- [Qemu-devel] [PATCH 21/61] pci: introduce constant PCI_NUM_PINS for the number of interrupt pins, 4., Isaku Yamahata, 2009/09/30
- [Qemu-devel] [PATCH 17/61] pc: split out pci device init from pc_init1() into pc_pci_device_init(), Isaku Yamahata, 2009/09/30
- [Qemu-devel] [PATCH 15/61] pc: split out vga initialization from pc_init1() into pc_vga_init()., Isaku Yamahata, 2009/09/30
- [Qemu-devel] [PATCH 09/61] pc: remove a global variable, floppy_controller., Isaku Yamahata, 2009/09/30
- [Qemu-devel] [PATCH 59/61] ioapic: make irr accept more than 32 pins., Isaku Yamahata, 2009/09/30
- [Qemu-devel] [PATCH 16/61] pc: split out basic device init from pc_init1() into pc_basic_device_init(), Isaku Yamahata, 2009/09/30
- [Qemu-devel] [PATCH 14/61] pc: split out memory allocation from pc_init1() into pc_memory_init(),
Isaku Yamahata <=
- [Qemu-devel] [PATCH 56/61] ioapic: clean up of #ifdef DEBUG_IOAPIC., Isaku Yamahata, 2009/09/30
- [Qemu-devel] [PATCH 03/61] acpi: add acpi constants from linux header files and use them., Isaku Yamahata, 2009/09/30
- [Qemu-devel] [PATCH 49/61] pci hot add: pass opaque argument to callback., Isaku Yamahata, 2009/09/30
- [Qemu-devel] [PATCH 01/61] acpi: split out pc smbus routines from acpi.c into pc_smbus.c, Isaku Yamahata, 2009/09/30
- [Qemu-devel] [PATCH 61/61] pc_q35: apic mode for pci interrupt routing., Isaku Yamahata, 2009/09/30
- [Qemu-devel] [PATCH 11/61] pc: introduce a function to allocate cpu irq., Isaku Yamahata, 2009/09/30
- [Qemu-devel] [PATCH 51/61] vmstate: add a macro for pointer to struct, VMSTATE_STRUCT_POINTER., Isaku Yamahata, 2009/09/30
- [Qemu-devel] [PATCH 54/61] pci: add opaque argument to pci_map_irq_fn()., Isaku Yamahata, 2009/09/30
- [Qemu-devel] [PATCH 30/61] pci_host.h: split non-inline static function in pci_host.h into pci_host_c.h, Isaku Yamahata, 2009/09/30
- [Qemu-devel] [PATCH 37/61] pci: add helper function for pci config write function to check address., Isaku Yamahata, 2009/09/30