diff options
Diffstat (limited to 'hw/arm')
| -rw-r--r-- | hw/arm/boot.c | 18 | ||||
| -rw-r--r-- | hw/arm/musicpal.c | 5 | ||||
| -rw-r--r-- | hw/arm/sysbus-fdt.c | 61 | ||||
| -rw-r--r-- | hw/arm/virt.c | 7 |
4 files changed, 75 insertions, 16 deletions
diff --git a/hw/arm/boot.c b/hw/arm/boot.c index 20c71d7d96..586baa9b64 100644 --- a/hw/arm/boot.c +++ b/hw/arm/boot.c @@ -24,6 +24,7 @@ #include "qemu/config-file.h" #include "qemu/option.h" #include "exec/address-spaces.h" +#include "qemu/units.h" /* Kernel boot protocol is specified in the kernel docs * Documentation/arm/Booting and Documentation/arm64/booting.txt @@ -36,6 +37,8 @@ #define ARM64_TEXT_OFFSET_OFFSET 8 #define ARM64_MAGIC_OFFSET 56 +#define BOOTLOADER_MAX_SIZE (4 * KiB) + AddressSpace *arm_boot_address_space(ARMCPU *cpu, const struct arm_boot_info *info) { @@ -184,6 +187,8 @@ static void write_bootloader(const char *name, hwaddr addr, code[i] = tswap32(insn); } + assert((len * sizeof(uint32_t)) < BOOTLOADER_MAX_SIZE); + rom_add_blob_fixed_as(name, code, len * sizeof(uint32_t), addr, as); g_free(code); @@ -919,6 +924,19 @@ static uint64_t load_aarch64_image(const char *filename, hwaddr mem_base, memcpy(&hdrvals, buffer + ARM64_TEXT_OFFSET_OFFSET, sizeof(hdrvals)); if (hdrvals[1] != 0) { kernel_load_offset = le64_to_cpu(hdrvals[0]); + + /* + * We write our startup "bootloader" at the very bottom of RAM, + * so that bit can't be used for the image. Luckily the Image + * format specification is that the image requests only an offset + * from a 2MB boundary, not an absolute load address. So if the + * image requests an offset that might mean it overlaps with the + * bootloader, we can just load it starting at 2MB+offset rather + * than 0MB + offset. + */ + if (kernel_load_offset < BOOTLOADER_MAX_SIZE) { + kernel_load_offset += 2 * MiB; + } } } diff --git a/hw/arm/musicpal.c b/hw/arm/musicpal.c index c807010e83..9648b3af44 100644 --- a/hw/arm/musicpal.c +++ b/hw/arm/musicpal.c @@ -1693,9 +1693,10 @@ static void musicpal_init(MachineState *machine) } wm8750_dev = i2c_create_slave(i2c, TYPE_WM8750, MP_WM_ADDR); - dev = qdev_create(NULL, "mv88w8618_audio"); + dev = qdev_create(NULL, TYPE_MV88W8618_AUDIO); s = SYS_BUS_DEVICE(dev); - qdev_prop_set_ptr(dev, "wm8750", wm8750_dev); + object_property_set_link(OBJECT(dev), OBJECT(wm8750_dev), + TYPE_WM8750, NULL); qdev_init_nofail(dev); sysbus_mmio_map(s, 0, MP_AUDIO_BASE); sysbus_connect_irq(s, 0, pic[MP_AUDIO_IRQ]); diff --git a/hw/arm/sysbus-fdt.c b/hw/arm/sysbus-fdt.c index 43d6a7bb48..0e24c803a1 100644 --- a/hw/arm/sysbus-fdt.c +++ b/hw/arm/sysbus-fdt.c @@ -50,11 +50,13 @@ typedef struct PlatformBusFDTData { PlatformBusDevice *pbus; } PlatformBusFDTData; -/* struct that associates a device type name and a node creation function */ -typedef struct NodeCreationPair { +/* struct that allows to match a device and create its FDT node */ +typedef struct BindingEntry { const char *typename; - int (*add_fdt_node_fn)(SysBusDevice *sbdev, void *opaque); -} NodeCreationPair; + const char *compat; + int (*add_fn)(SysBusDevice *sbdev, void *opaque); + bool (*match_fn)(SysBusDevice *sbdev, const struct BindingEntry *combo); +} BindingEntry; /* helpers */ @@ -413,6 +415,27 @@ static int add_amd_xgbe_fdt_node(SysBusDevice *sbdev, void *opaque) return 0; } +/* DT compatible matching */ +static bool vfio_platform_match(SysBusDevice *sbdev, + const BindingEntry *entry) +{ + VFIOPlatformDevice *vdev = VFIO_PLATFORM_DEVICE(sbdev); + const char *compat; + unsigned int n; + + for (n = vdev->num_compat, compat = vdev->compat; n > 0; + n--, compat += strlen(compat) + 1) { + if (!strcmp(entry->compat, compat)) { + return true; + } + } + + return false; +} + +#define VFIO_PLATFORM_BINDING(compat, add_fn) \ + {TYPE_VFIO_PLATFORM, (compat), (add_fn), vfio_platform_match} + #endif /* CONFIG_LINUX */ static int no_fdt_node(SysBusDevice *sbdev, void *opaque) @@ -420,14 +443,23 @@ static int no_fdt_node(SysBusDevice *sbdev, void *opaque) return 0; } -/* list of supported dynamic sysbus devices */ -static const NodeCreationPair add_fdt_node_functions[] = { +/* Device type based matching */ +static bool type_match(SysBusDevice *sbdev, const BindingEntry *entry) +{ + return !strcmp(object_get_typename(OBJECT(sbdev)), entry->typename); +} + +#define TYPE_BINDING(type, add_fn) {(type), NULL, (add_fn), type_match} + +/* list of supported dynamic sysbus bindings */ +static const BindingEntry bindings[] = { #ifdef CONFIG_LINUX - {TYPE_VFIO_CALXEDA_XGMAC, add_calxeda_midway_xgmac_fdt_node}, - {TYPE_VFIO_AMD_XGBE, add_amd_xgbe_fdt_node}, + TYPE_BINDING(TYPE_VFIO_CALXEDA_XGMAC, add_calxeda_midway_xgmac_fdt_node), + TYPE_BINDING(TYPE_VFIO_AMD_XGBE, add_amd_xgbe_fdt_node), + VFIO_PLATFORM_BINDING("amd,xgbe-seattle-v1a", add_amd_xgbe_fdt_node), #endif - {TYPE_RAMFB_DEVICE, no_fdt_node}, - {"", NULL}, /* last element */ + TYPE_BINDING(TYPE_RAMFB_DEVICE, no_fdt_node), + TYPE_BINDING("", NULL), /* last element */ }; /* Generic Code */ @@ -446,10 +478,11 @@ static void add_fdt_node(SysBusDevice *sbdev, void *opaque) { int i, ret; - for (i = 0; i < ARRAY_SIZE(add_fdt_node_functions); i++) { - if (!strcmp(object_get_typename(OBJECT(sbdev)), - add_fdt_node_functions[i].typename)) { - ret = add_fdt_node_functions[i].add_fdt_node_fn(sbdev, opaque); + for (i = 0; i < ARRAY_SIZE(bindings); i++) { + const BindingEntry *iter = &bindings[i]; + + if (iter->match_fn(sbdev, iter)) { + ret = iter->add_fn(sbdev, opaque); assert(!ret); return; } diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 0b57f87abc..9f677825f9 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -712,6 +712,10 @@ static void create_uart(const VirtMachineState *vms, qemu_irq *pic, int uart, /* Mark as not usable by the normal world */ qemu_fdt_setprop_string(vms->fdt, nodename, "status", "disabled"); qemu_fdt_setprop_string(vms->fdt, nodename, "secure-status", "okay"); + + qemu_fdt_add_subnode(vms->fdt, "/secure-chosen"); + qemu_fdt_setprop_string(vms->fdt, "/secure-chosen", "stdout-path", + nodename); } g_free(nodename); @@ -1758,6 +1762,7 @@ static void virt_machine_class_init(ObjectClass *oc, void *data) machine_class_allow_dynamic_sysbus_dev(mc, TYPE_VFIO_CALXEDA_XGMAC); machine_class_allow_dynamic_sysbus_dev(mc, TYPE_VFIO_AMD_XGBE); machine_class_allow_dynamic_sysbus_dev(mc, TYPE_RAMFB_DEVICE); + machine_class_allow_dynamic_sysbus_dev(mc, TYPE_VFIO_PLATFORM); mc->block_default_type = IF_VIRTIO; mc->no_cdrom = 1; mc->pci_allow_0_address = true; @@ -1926,6 +1931,8 @@ static void virt_machine_2_10_options(MachineClass *mc) { virt_machine_2_11_options(mc); SET_MACHINE_COMPAT(mc, VIRT_COMPAT_2_10); + /* before 2.11 we never faulted accesses to bad addresses */ + mc->ignore_memory_transaction_failures = true; } DEFINE_VIRT_MACHINE(2, 10) |