diff options
Diffstat (limited to 'hw/arm_boot.c')
| -rw-r--r-- | hw/arm_boot.c | 78 |
1 files changed, 77 insertions, 1 deletions
diff --git a/hw/arm_boot.c b/hw/arm_boot.c index ed3ec5830e..ccc9ecbf62 100644 --- a/hw/arm_boot.c +++ b/hw/arm_boot.c @@ -76,6 +76,77 @@ static void set_kernel_args(uint32_t ram_size, int initrd_size, stl_raw(p++, 0); } +static void set_kernel_args_old(uint32_t ram_size, int initrd_size, + const char *kernel_cmdline, + target_phys_addr_t loader_start) +{ + uint32_t *p; + unsigned char *s; + + /* see linux/include/asm-arm/setup.h */ + p = (uint32_t *)(phys_ram_base + KERNEL_ARGS_ADDR); + /* page_size */ + stl_raw(p++, 4096); + /* nr_pages */ + stl_raw(p++, ram_size / 4096); + /* ramdisk_size */ + stl_raw(p++, 0); +#define FLAG_READONLY 1 +#define FLAG_RDLOAD 4 +#define FLAG_RDPROMPT 8 + /* flags */ + stl_raw(p++, FLAG_READONLY | FLAG_RDLOAD | FLAG_RDPROMPT); + /* rootdev */ + stl_raw(p++, (31 << 8) | 0); /* /dev/mtdblock0 */ + /* video_num_cols */ + stl_raw(p++, 0); + /* video_num_rows */ + stl_raw(p++, 0); + /* video_x */ + stl_raw(p++, 0); + /* video_y */ + stl_raw(p++, 0); + /* memc_control_reg */ + stl_raw(p++, 0); + /* unsigned char sounddefault */ + /* unsigned char adfsdrives */ + /* unsigned char bytes_per_char_h */ + /* unsigned char bytes_per_char_v */ + stl_raw(p++, 0); + /* pages_in_bank[4] */ + stl_raw(p++, 0); + stl_raw(p++, 0); + stl_raw(p++, 0); + stl_raw(p++, 0); + /* pages_in_vram */ + stl_raw(p++, 0); + /* initrd_start */ + if (initrd_size) + stl_raw(p++, loader_start + INITRD_LOAD_ADDR); + else + stl_raw(p++, 0); + /* initrd_size */ + stl_raw(p++, initrd_size); + /* rd_start */ + stl_raw(p++, 0); + /* system_rev */ + stl_raw(p++, 0); + /* system_serial_low */ + stl_raw(p++, 0); + /* system_serial_high */ + stl_raw(p++, 0); + /* mem_fclk_21285 */ + stl_raw(p++, 0); + /* zero unused fields */ + memset(p, 0, 256 + 1024 - + (p - ((uint32_t *)(phys_ram_base + KERNEL_ARGS_ADDR)))); + s = phys_ram_base + KERNEL_ARGS_ADDR + 256 + 1024; + if (kernel_cmdline) + strcpy (s, kernel_cmdline); + else + stb_raw(s, 0); +} + void arm_load_kernel(CPUState *env, int ram_size, const char *kernel_filename, const char *kernel_cmdline, const char *initrd_filename, int board_id, target_phys_addr_t loader_start) @@ -140,6 +211,11 @@ void arm_load_kernel(CPUState *env, int ram_size, const char *kernel_filename, bootloader[6] = entry; for (n = 0; n < sizeof(bootloader) / 4; n++) stl_raw(phys_ram_base + (n * 4), bootloader[n]); - set_kernel_args(ram_size, initrd_size, kernel_cmdline, loader_start); + if (old_param) + set_kernel_args_old(ram_size, initrd_size, + kernel_cmdline, loader_start); + else + set_kernel_args(ram_size, initrd_size, + kernel_cmdline, loader_start); } } |