From 3c178e72e065b88436fed7d89bd75635d84df36c Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Wed, 7 Oct 2009 13:37:06 +0200 Subject: rom loader: fix sparc -kernel boot. Changes: (1) register pstrcpy_targphys() in rom list, it is used for kernel command lines by a number of architectures. (2) add rom_ptr() function to get a pointer for applying changes to loaded images. Needed for example to tell the linux kernel where it finds the initrd image by updating the header. (3) make sparc use rom_ptr for initrd setup. booting sparc-test works now, and 'info roms' shows this: (qemu) info roms addr=0000000000000000 size=0x2a3828 mem=ram name="phdr #0: vmlinux-2.6.11+tcx" addr=00000000007ff000 size=0x00000e mem=ram name="cmdline" addr=0000000000800000 size=0x400000 mem=ram name="/root/qemu-test/sparc-test/linux.img" addr=0000000070000000 size=0x0e4000 mem=rom name="phdr #0: /home/kraxel/projects/qemu/build-zfull/pc-bios/openbios-sparc32" reboot via 'system_reset' works too. Patchworks-ID: 35262 Signed-off-by: Gerd Hoffmann Signed-off-by: Anthony Liguori --- hw/sun4m.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) (limited to 'hw/sun4m.c') diff --git a/hw/sun4m.c b/hw/sun4m.c index 8f46a0f2aa..21f609c224 100644 --- a/hw/sun4m.c +++ b/hw/sun4m.c @@ -299,6 +299,7 @@ static unsigned long sun4m_load_kernel(const char *kernel_filename, int linux_boot; unsigned int i; long initrd_size, kernel_size; + uint8_t *ptr; linux_boot = (kernel_filename != NULL); @@ -341,9 +342,10 @@ static unsigned long sun4m_load_kernel(const char *kernel_filename, } if (initrd_size > 0) { for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) { - if (ldl_phys(KERNEL_LOAD_ADDR + i) == 0x48647253) { // HdrS - stl_phys(KERNEL_LOAD_ADDR + i + 16, INITRD_LOAD_ADDR); - stl_phys(KERNEL_LOAD_ADDR + i + 20, initrd_size); + ptr = rom_ptr(KERNEL_LOAD_ADDR + i); + if (ldl_p(ptr) == 0x48647253) { // HdrS + stl_p(ptr + 16, INITRD_LOAD_ADDR); + stl_p(ptr + 20, initrd_size); break; } } @@ -875,7 +877,7 @@ static void sun4m_hw_init(const struct sun4m_hwdef *hwdef, ram_addr_t RAM_size, fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size); if (kernel_cmdline) { fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, CMDLINE_ADDR); - pstrcpy_targphys(CMDLINE_ADDR, TARGET_PAGE_SIZE, kernel_cmdline); + pstrcpy_targphys("cmdline", CMDLINE_ADDR, TARGET_PAGE_SIZE, kernel_cmdline); } else { fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0); } @@ -1457,7 +1459,7 @@ static void sun4d_hw_init(const struct sun4d_hwdef *hwdef, ram_addr_t RAM_size, fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size); if (kernel_cmdline) { fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, CMDLINE_ADDR); - pstrcpy_targphys(CMDLINE_ADDR, TARGET_PAGE_SIZE, kernel_cmdline); + pstrcpy_targphys("cmdline", CMDLINE_ADDR, TARGET_PAGE_SIZE, kernel_cmdline); } else { fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0); } @@ -1645,7 +1647,7 @@ static void sun4c_hw_init(const struct sun4c_hwdef *hwdef, ram_addr_t RAM_size, fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size); if (kernel_cmdline) { fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, CMDLINE_ADDR); - pstrcpy_targphys(CMDLINE_ADDR, TARGET_PAGE_SIZE, kernel_cmdline); + pstrcpy_targphys("cmdline", CMDLINE_ADDR, TARGET_PAGE_SIZE, kernel_cmdline); } else { fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0); } -- cgit 1.4.1