diff options
Diffstat (limited to 'hw/realview.c')
| -rw-r--r-- | hw/realview.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/hw/realview.c b/hw/realview.c index aae4b86..a930a46 100644 --- a/hw/realview.c +++ b/hw/realview.c @@ -29,6 +29,7 @@ static void realview_init(ram_addr_t ram_size, int vga_ram_size, const char *initrd_filename, const char *cpu_model) { CPUState *env; + ram_addr_t ram_offset; qemu_irq *pic; void *scsi_hba; PCIBus *pci_bus; @@ -64,9 +65,10 @@ static void realview_init(ram_addr_t ram_size, int vga_ram_size, } } + ram_offset = qemu_ram_alloc(ram_size); /* ??? RAM should repeat to fill physical memory space. */ /* SDRAM at address zero. */ - cpu_register_physical_memory(0, ram_size, IO_MEM_RAM); + cpu_register_physical_memory(0, ram_size, ram_offset | IO_MEM_RAM); arm_sysctl_init(0x10000000, 0xc1400400); @@ -182,18 +184,19 @@ static void realview_init(ram_addr_t ram_size, int vga_ram_size, /* 0x68000000 PCI mem 1. */ /* 0x6c000000 PCI mem 2. */ + /* ??? Hack to map an additional page of ram for the secondary CPU + startup code. I guess this works on real hardware because the + BootROM happens to be in ROM/flash or in memory that isn't clobbered + until after Linux boots the secondary CPUs. */ + ram_offset = qemu_ram_alloc(0x1000); + cpu_register_physical_memory(0x80000000, 0x1000, ram_offset | IO_MEM_RAM); + 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 - BootROM happens to be in ROM/flash or in memory that isn't clobbered - until after Linux boots the secondary CPUs. */ - cpu_register_physical_memory(0x80000000, 0x1000, IO_MEM_RAM + ram_size); } QEMUMachine realview_machine = { |
