diff options
Diffstat (limited to 'hw/ppce500_mpc8544ds.c')
| -rw-r--r-- | hw/ppce500_mpc8544ds.c | 46 |
1 files changed, 32 insertions, 14 deletions
diff --git a/hw/ppce500_mpc8544ds.c b/hw/ppce500_mpc8544ds.c index 6b57fbf597..b739ce27ed 100644 --- a/hw/ppce500_mpc8544ds.c +++ b/hw/ppce500_mpc8544ds.c @@ -50,6 +50,7 @@ #define MPC8544_PCI_REGS_SIZE 0x1000 #define MPC8544_PCI_IO 0xE1000000 #define MPC8544_PCI_IOLEN 0x10000 +#define MPC8544_UTIL_BASE (MPC8544_CCSRBAR_BASE + 0xe0000) struct boot_info { @@ -81,11 +82,12 @@ out: } #endif -static int mpc8544_load_device_tree(target_phys_addr_t addr, - uint32_t ramsize, - target_phys_addr_t initrd_base, - target_phys_addr_t initrd_size, - const char *kernel_cmdline) +static int mpc8544_load_device_tree(CPUState *env, + target_phys_addr_t addr, + uint32_t ramsize, + target_phys_addr_t initrd_base, + target_phys_addr_t initrd_size, + const char *kernel_cmdline) { int ret = -1; #ifdef CONFIG_FDT @@ -93,6 +95,7 @@ static int mpc8544_load_device_tree(target_phys_addr_t addr, char *filename; int fdt_size; void *fdt; + uint8_t hypercall[16]; filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, BINARY_DEVICE_TREE_FILE); if (!filename) { @@ -156,6 +159,13 @@ static int mpc8544_load_device_tree(target_phys_addr_t addr, mpc8544_copy_soc_cell(fdt, buf, "clock-frequency"); mpc8544_copy_soc_cell(fdt, buf, "timebase-frequency"); + + /* indicate KVM hypercall interface */ + qemu_devtree_setprop_string(fdt, "/hypervisor", "compatible", + "linux,kvm"); + kvmppc_get_hypercall(env, hypercall, sizeof(hypercall)); + qemu_devtree_setprop(fdt, "/hypervisor", "hcall-instructions", + hypercall, sizeof(hypercall)); } else { const uint32_t freq = 400000000; @@ -175,18 +185,23 @@ out: } /* Create -kernel TLB entries for BookE, linearly spanning 256MB. */ +static inline target_phys_addr_t booke206_page_size_to_tlb(uint64_t size) +{ + return (ffs(size >> 10) - 1) >> 1; +} + static void mmubooke_create_initial_mapping(CPUState *env, target_ulong va, target_phys_addr_t pa) { - ppcemb_tlb_t *tlb = booke206_get_tlbe(env, 1, 0, 0); - - tlb->attr = 0; - tlb->prot = PAGE_VALID | ((PAGE_READ | PAGE_WRITE | PAGE_EXEC) << 4); - tlb->size = 256 * 1024 * 1024; - tlb->EPN = va & TARGET_PAGE_MASK; - tlb->RPN = pa & TARGET_PAGE_MASK; - tlb->PID = 0; + ppcmas_tlb_t *tlb = booke206_get_tlbm(env, 1, 0, 0); + target_phys_addr_t size; + + size = (booke206_page_size_to_tlb(256 * 1024 * 1024) << MAS1_TSIZE_SHIFT); + tlb->mas1 = MAS1_VALID | size; + tlb->mas2 = va & TARGET_PAGE_MASK; + tlb->mas7_3 = pa & TARGET_PAGE_MASK; + tlb->mas7_3 |= MAS3_UR | MAS3_UW | MAS3_UX | MAS3_SR | MAS3_SW | MAS3_SX; } static void mpc8544ds_cpu_reset(void *opaque) @@ -270,6 +285,9 @@ static void mpc8544ds_init(ram_addr_t ram_size, serial_hds[0], 1, 1); } + /* General Utility device */ + sysbus_create_simple("mpc8544-guts", MPC8544_UTIL_BASE, NULL); + /* PCI */ dev = sysbus_create_varargs("e500-pcihost", MPC8544_PCI_REGS_BASE, mpic[pci_irq_nrs[0]], mpic[pci_irq_nrs[1]], @@ -326,7 +344,7 @@ static void mpc8544ds_init(ram_addr_t ram_size, cpu_abort(env, "Compiled without FDT support - can't load kernel\n"); #endif dt_base = (kernel_size + DTC_LOAD_PAD) & ~DTC_PAD_MASK; - if (mpc8544_load_device_tree(dt_base, ram_size, + if (mpc8544_load_device_tree(env, dt_base, ram_size, initrd_base, initrd_size, kernel_cmdline) < 0) { fprintf(stderr, "couldn't load device tree\n"); exit(1); |