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Diffstat (limited to 'vl.c')
-rw-r--r--vl.c33
1 files changed, 17 insertions, 16 deletions
diff --git a/vl.c b/vl.c
index 0ebfa7407a..0c1f839d7b 100644
--- a/vl.c
+++ b/vl.c
@@ -233,6 +233,7 @@ int nographic;
int term_inited;
int64_t ticks_per_sec;
int boot_device = 'c';
+static int ram_size;
/***********************************************************/
/* x86 io ports */
@@ -610,7 +611,7 @@ void cmos_init(void)
cmos_data[REG_EQUIPMENT_BYTE] |= 0x04; /* PS/2 mouse installed */
/* memory size */
- val = (phys_ram_size / 1024) - 1024;
+ val = (ram_size / 1024) - 1024;
if (val > 65535)
val = 65535;
cmos_data[0x17] = val;
@@ -618,7 +619,7 @@ void cmos_init(void)
cmos_data[0x30] = val;
cmos_data[0x31] = val >> 8;
- val = (phys_ram_size / 65536) - ((16 * 1024 * 1024) / 65536);
+ val = (ram_size / 65536) - ((16 * 1024 * 1024) / 65536);
if (val > 65535)
val = 65535;
cmos_data[0x34] = val;
@@ -3312,7 +3313,7 @@ extern void __sigaction();
int main(int argc, char **argv)
{
int c, ret, initrd_size, i, use_gdbstub, gdbstub_port, long_index;
- int snapshot, linux_boot, total_ram_size;
+ int snapshot, linux_boot;
#if defined (TARGET_I386)
struct linux_params *params;
#endif
@@ -3331,7 +3332,7 @@ int main(int argc, char **argv)
fd_filename[i] = NULL;
for(i = 0; i < MAX_DISKS; i++)
hd_filename[i] = NULL;
- phys_ram_size = 32 * 1024 * 1024;
+ ram_size = 32 * 1024 * 1024;
vga_ram_size = VGA_RAM_SIZE;
#if defined (TARGET_I386)
pstrcpy(network_script, sizeof(network_script), DEFAULT_NETWORK_SCRIPT);
@@ -3425,10 +3426,10 @@ int main(int argc, char **argv)
help();
break;
case 'm':
- phys_ram_size = atoi(optarg) * 1024 * 1024;
- if (phys_ram_size <= 0)
+ ram_size = atoi(optarg) * 1024 * 1024;
+ if (ram_size <= 0)
help();
- if (phys_ram_size > PHYS_RAM_MAX_SIZE) {
+ if (ram_size > PHYS_RAM_MAX_SIZE) {
fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
PHYS_RAM_MAX_SIZE / (1024 * 1024));
exit(1);
@@ -3489,10 +3490,10 @@ int main(int argc, char **argv)
#endif
/* init the memory */
- total_ram_size = phys_ram_size + vga_ram_size;
+ phys_ram_size = ram_size + vga_ram_size;
#ifdef CONFIG_SOFTMMU
- phys_ram_base = malloc(total_ram_size);
+ phys_ram_base = memalign(TARGET_PAGE_SIZE, phys_ram_size);
if (!phys_ram_base) {
fprintf(stderr, "Could not allocate physical memory\n");
exit(1);
@@ -3518,10 +3519,10 @@ int main(int argc, char **argv)
phys_ram_file);
exit(1);
}
- ftruncate(phys_ram_fd, total_ram_size);
+ ftruncate(phys_ram_fd, phys_ram_size);
unlink(phys_ram_file);
- phys_ram_base = mmap(get_mmap_addr(total_ram_size),
- total_ram_size,
+ phys_ram_base = mmap(get_mmap_addr(phys_ram_size),
+ phys_ram_size,
PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED,
phys_ram_fd, 0);
if (phys_ram_base == MAP_FAILED) {
@@ -3551,7 +3552,7 @@ int main(int argc, char **argv)
init_ioports();
/* allocate RAM */
- cpu_register_physical_memory(0, phys_ram_size, 0);
+ cpu_register_physical_memory(0, ram_size, 0);
if (linux_boot) {
/* now we can load the kernel */
@@ -3580,7 +3581,7 @@ int main(int argc, char **argv)
params->mount_root_rdonly = 0;
stw_raw(&params->cl_magic, 0xA33F);
stw_raw(&params->cl_offset, params->commandline - (uint8_t *)params);
- stl_raw(&params->alt_mem_k, (phys_ram_size / 1024) - 1024);
+ stl_raw(&params->alt_mem_k, (ram_size / 1024) - 1024);
pstrcat(params->commandline, sizeof(params->commandline), kernel_cmdline);
params->loader_type = 0x01;
if (initrd_size > 0) {
@@ -3617,7 +3618,7 @@ int main(int argc, char **argv)
env->regs[R_ESI] = KERNEL_PARAMS_ADDR;
env->eflags = 0x2;
#elif defined (TARGET_PPC)
- PPC_init_hw(env, phys_ram_size, KERNEL_LOAD_ADDR, ret,
+ PPC_init_hw(env, ram_size, KERNEL_LOAD_ADDR, ret,
KERNEL_STACK_ADDR, boot_device);
#endif
} else {
@@ -3669,7 +3670,7 @@ int main(int argc, char **argv)
/* init basic PC hardware */
register_ioport_write(0x80, 1, ioport80_write, 1);
- vga_initialize(ds, phys_ram_base + phys_ram_size, phys_ram_size,
+ vga_initialize(ds, phys_ram_base + ram_size, ram_size,
vga_ram_size);
#if defined (TARGET_I386)
cmos_init();