From b10a04b5aeca558a9f306ae749fd87850ad8d973 Mon Sep 17 00:00:00 2001 From: Alexander Graf Date: Tue, 3 Jan 2012 19:10:02 +0100 Subject: [PATCH] PPC: Bamboo: Register CPU reset To be able to support CPU reset, we need to put all register initialization and initial state into a CPU reset hook instead of a function that is only called once on bootup. This is a preparation step for the initial TLB setting code and brings bamboo more in line with what e500 and virtex already do. Signed-off-by: Alexander Graf --- hw/ppc440_bamboo.c | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) diff --git a/hw/ppc440_bamboo.c b/hw/ppc440_bamboo.c index b734e3a..f82d587 100644 --- a/hw/ppc440_bamboo.c +++ b/hw/ppc440_bamboo.c @@ -32,6 +32,8 @@ #define FDT_ADDR 0x1800000 #define RAMDISK_ADDR 0x1900000 +static target_phys_addr_t entry; + static int bamboo_load_device_tree(target_phys_addr_t addr, uint32_t ramsize, target_phys_addr_t initrd_base, @@ -101,6 +103,16 @@ out: return ret; } +static void main_cpu_reset(void *opaque) +{ + CPUState *env = opaque; + + cpu_reset(env); + env->gpr[1] = (16<<20) - 8; + env->gpr[3] = FDT_ADDR; + env->nip = entry; +} + static void bamboo_init(ram_addr_t ram_size, const char *boot_device, const char *kernel_filename, @@ -114,7 +126,6 @@ static void bamboo_init(ram_addr_t ram_size, CPUState *env; uint64_t elf_entry; uint64_t elf_lowaddr; - target_phys_addr_t entry = 0; target_phys_addr_t loadaddr = 0; target_long initrd_size = 0; int success; @@ -123,6 +134,7 @@ static void bamboo_init(ram_addr_t ram_size, /* Setup CPU. */ env = ppc440ep_init(address_space_mem, &ram_size, &pcibus, pci_irq_nrs, 1, cpu_model); + qemu_register_reset(main_cpu_reset, env); if (pcibus) { /* Register network interfaces. */ @@ -169,11 +181,6 @@ static void bamboo_init(ram_addr_t ram_size, fprintf(stderr, "couldn't load device tree\n"); exit(1); } - - /* Set initial guest state. */ - env->gpr[1] = (16<<20) - 8; - env->gpr[3] = FDT_ADDR; - env->nip = entry; /* XXX we currently depend on KVM to create some initial TLB entries. */ } -- 2.7.4