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pc_memory_init: Move memory calculation to the caller. 

This patch moves above_4g_mem_size and below_4g_mem_size calculation in
the caller of pc_memory_init (pc_init1). And the prototype of
pc_memory_init is changed because there is no need anymore to have
variable pointer and the ram_size parameter.

Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Anthony PERARD 2011-04-11 19:48:11 +01:00 committed by Alexander Graf
parent 3285cf4fe7
commit e0e7e67b45
3 changed files with 16 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
hw/pc.c
View File

@ -957,29 +957,18 @@ void pc_cpus_init(const char *cpu_model)
}
}
void pc_memory_init(ram_addr_t ram_size,
const char *kernel_filename,
void pc_memory_init(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)
ram_addr_t below_4g_mem_size,
ram_addr_t above_4g_mem_size)
{
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;
void *fw_cfg;
if (ram_size >= 0xe0000000 ) {
above_4g_mem_size = ram_size - 0xe0000000;
below_4g_mem_size = 0xe0000000;
} 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);
/* allocate RAM */

7
hw/pc.h
View File

@ -129,12 +129,11 @@ void pc_cmos_set_s3_resume(void *opaque, int irq, int level);
void pc_acpi_smi_interrupt(void *opaque, int irq, int level);
void pc_cpus_init(const char *cpu_model);
void pc_memory_init(ram_addr_t ram_size,
const char *kernel_filename,
void pc_memory_init(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);
ram_addr_t below_4g_mem_size,
ram_addr_t above_4g_mem_size);
qemu_irq *pc_allocate_cpu_irq(void);
void pc_vga_init(PCIBus *pci_bus);
void pc_basic_device_init(qemu_irq *isa_irq,

12
hw/pc_piix.c
View File

@ -92,9 +92,17 @@ static void pc_init1(ram_addr_t ram_size,
kvmclock_create();
}
if (ram_size >= 0xe0000000 ) {
above_4g_mem_size = ram_size - 0xe0000000;
below_4g_mem_size = 0xe0000000;
} else {
above_4g_mem_size = 0;
below_4g_mem_size = ram_size;
}
/* 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);
pc_memory_init(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]);