diff options
| -rw-r--r-- | device_tree.c | 2 | ||||
| -rw-r--r-- | disas.c | 5 | ||||
| -rw-r--r-- | docs/devel/loads-stores.rst | 35 | ||||
| -rw-r--r-- | exec.c | 30 | ||||
| -rw-r--r-- | hw/arm/mps2-tz.c | 1 | ||||
| -rw-r--r-- | hw/arm/virt.c | 2 | ||||
| -rw-r--r-- | hw/block/tc58128.c | 3 | ||||
| -rw-r--r-- | hw/core/loader.c | 29 | ||||
| -rw-r--r-- | hw/i386/multiboot.c | 6 | ||||
| -rw-r--r-- | hw/i386/pc.c | 22 | ||||
| -rw-r--r-- | hw/intc/apic.c | 7 | ||||
| -rw-r--r-- | hw/misc/tz-mpc.c | 2 | ||||
| -rw-r--r-- | hw/pci/pci.c | 6 | ||||
| -rw-r--r-- | hw/ppc/mac_newworld.c | 10 | ||||
| -rw-r--r-- | hw/ppc/mac_oldworld.c | 10 | ||||
| -rw-r--r-- | hw/ppc/ppc405_boards.c | 12 | ||||
| -rw-r--r-- | hw/sd/sdhci.c | 5 | ||||
| -rw-r--r-- | hw/smbios/smbios.c | 2 | ||||
| -rw-r--r-- | hw/sparc/sun4m.c | 5 | ||||
| -rw-r--r-- | include/exec/cpu-common.h | 2 | ||||
| -rw-r--r-- | include/exec/memory.h | 26 | ||||
| -rw-r--r-- | include/hw/elf_ops.h | 4 | ||||
| -rw-r--r-- | include/hw/loader.h | 17 | ||||
| -rw-r--r-- | monitor.c | 8 | ||||
| -rwxr-xr-x | scripts/checkpatch.pl | 48 | ||||
| -rw-r--r-- | target/arm/cpu.c | 33 | ||||
| -rw-r--r-- | tests/test-arm-mptimer.c | 153 |
27 files changed, 287 insertions, 198 deletions
diff --git a/device_tree.c b/device_tree.c index 6d9c9726f6..296278e12a 100644 --- a/device_tree.c +++ b/device_tree.c @@ -91,7 +91,7 @@ void *load_device_tree(const char *filename_path, int *sizep) /* First allocate space in qemu for device tree */ fdt = g_malloc0(dt_size); - dt_file_load_size = load_image(filename_path, fdt); + dt_file_load_size = load_image_size(filename_path, fdt, dt_size); if (dt_file_load_size < 0) { error_report("Unable to open device tree file '%s'", filename_path); @@ -588,7 +588,10 @@ static int physical_read_memory(bfd_vma memaddr, bfd_byte *myaddr, int length, struct disassemble_info *info) { - cpu_physical_memory_read(memaddr, myaddr, length); + CPUDebug *s = container_of(info, CPUDebug, info); + + address_space_read(s->cpu->as, memaddr, MEMTXATTRS_UNSPECIFIED, + myaddr, length); return 0; } diff --git a/docs/devel/loads-stores.rst b/docs/devel/loads-stores.rst index 57d8c524bf..c74cd090e6 100644 --- a/docs/devel/loads-stores.rst +++ b/docs/devel/loads-stores.rst @@ -253,6 +253,22 @@ Regexes for git grep - ``\<address_space_ldu\?[bwql]\(_[lb]e\)\?\>`` - ``\<address_space_st[bwql]\(_[lb]e\)\?\>`` +``address_space_write_rom`` +~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +This function performs a write by physical address like +``address_space_write``, except that if the write is to a ROM then +the ROM contents will be modified, even though a write by the guest +CPU to the ROM would be ignored. This is used for non-guest writes +like writes from the gdb debug stub or initial loading of ROM contents. + +Note that portions of the write which attempt to write data to a +device will be silently ignored -- only real RAM and ROM will +be written to. + +Regexes for git grep + - ``address_space_write_rom`` + ``{ld,st}*_phys`` ~~~~~~~~~~~~~~~~~ @@ -315,25 +331,6 @@ For new code they are better avoided: Regexes for git grep - ``\<cpu_physical_memory_\(read\|write\|rw\)\>`` -``cpu_physical_memory_write_rom`` -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - -This function performs a write by physical address like -``address_space_write``, except that if the write is to a ROM then -the ROM contents will be modified, even though a write by the guest -CPU to the ROM would be ignored. - -Note that unlike ``cpu_physical_memory_write()`` this function takes -an AddressSpace argument, but unlike ``address_space_write()`` this -function does not take a ``MemTxAttrs`` or return a ``MemTxResult``. - -**TODO**: we should probably clean up this inconsistency and -turn the function into ``address_space_write_rom`` with an API -matching ``address_space_write``. - -``cpu_physical_memory_write_rom`` - - ``cpu_memory_rw_debug`` ~~~~~~~~~~~~~~~~~~~~~~~ @@ -3388,8 +3388,12 @@ enum write_rom_type { FLUSH_CACHE, }; -static inline void cpu_physical_memory_write_rom_internal(AddressSpace *as, - hwaddr addr, const uint8_t *buf, int len, enum write_rom_type type) +static inline MemTxResult address_space_write_rom_internal(AddressSpace *as, + hwaddr addr, + MemTxAttrs attrs, + const uint8_t *buf, + int len, + enum write_rom_type type) { hwaddr l; uint8_t *ptr; @@ -3399,8 +3403,7 @@ static inline void cpu_physical_memory_write_rom_internal(AddressSpace *as, rcu_read_lock(); while (len > 0) { l = len; - mr = address_space_translate(as, addr, &addr1, &l, true, - MEMTXATTRS_UNSPECIFIED); + mr = address_space_translate(as, addr, &addr1, &l, true, attrs); if (!(memory_region_is_ram(mr) || memory_region_is_romd(mr))) { @@ -3423,13 +3426,16 @@ static inline void cpu_physical_memory_write_rom_internal(AddressSpace *as, addr += l; } rcu_read_unlock(); + return MEMTX_OK; } /* used for ROM loading : can write in RAM and ROM */ -void cpu_physical_memory_write_rom(AddressSpace *as, hwaddr addr, - const uint8_t *buf, int len) +MemTxResult address_space_write_rom(AddressSpace *as, hwaddr addr, + MemTxAttrs attrs, + const uint8_t *buf, int len) { - cpu_physical_memory_write_rom_internal(as, addr, buf, len, WRITE_DATA); + return address_space_write_rom_internal(as, addr, attrs, + buf, len, WRITE_DATA); } void cpu_flush_icache_range(hwaddr start, int len) @@ -3444,8 +3450,9 @@ void cpu_flush_icache_range(hwaddr start, int len) return; } - cpu_physical_memory_write_rom_internal(&address_space_memory, - start, NULL, len, FLUSH_CACHE); + address_space_write_rom_internal(&address_space_memory, + start, MEMTXATTRS_UNSPECIFIED, + NULL, len, FLUSH_CACHE); } typedef struct { @@ -3873,8 +3880,9 @@ int cpu_memory_rw_debug(CPUState *cpu, target_ulong addr, l = len; phys_addr += (addr & ~TARGET_PAGE_MASK); if (is_write) { - cpu_physical_memory_write_rom(cpu->cpu_ases[asidx].as, - phys_addr, buf, l); + address_space_write_rom(cpu->cpu_ases[asidx].as, phys_addr, + MEMTXATTRS_UNSPECIFIED, + buf, l); } else { address_space_rw(cpu->cpu_ases[asidx].as, phys_addr, MEMTXATTRS_UNSPECIFIED, diff --git a/hw/arm/mps2-tz.c b/hw/arm/mps2-tz.c index 6dd02ae47e..82b1d020a5 100644 --- a/hw/arm/mps2-tz.c +++ b/hw/arm/mps2-tz.c @@ -322,6 +322,7 @@ static MemoryRegion *make_dma(MPS2TZMachineState *mms, void *opaque, sysbus_connect_irq(s, 2, qdev_get_gpio_in_named(iotkitdev, "EXP_IRQ", 57 + i * 3)); + g_free(mscname); return sysbus_mmio_get_region(s, 0); } diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 17f1b49d11..5b678237b7 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -1854,7 +1854,7 @@ static const TypeInfo virt_machine_info = { .instance_size = sizeof(VirtMachineState), .class_size = sizeof(VirtMachineClass), .class_init = virt_machine_class_init, - .instance_init = virt_instance_init, + .instance_init = virt_instance_init, .interfaces = (InterfaceInfo[]) { { TYPE_HOTPLUG_HANDLER }, { } diff --git a/hw/block/tc58128.c b/hw/block/tc58128.c index 808ad76ba6..d0fae248dc 100644 --- a/hw/block/tc58128.c +++ b/hw/block/tc58128.c @@ -38,7 +38,8 @@ static void init_dev(tc58128_dev * dev, const char *filename) memset(dev->flash_contents, 0xff, FLASH_SIZE); if (filename) { /* Load flash image skipping the first block */ - ret = load_image(filename, dev->flash_contents + 528 * 32); + ret = load_image_size(filename, dev->flash_contents + 528 * 32, + FLASH_SIZE - 528 * 32); if (ret < 0) { if (!qtest_enabled()) { error_report("Could not load flash image %s", filename); diff --git a/hw/core/loader.c b/hw/core/loader.c index aa0b3fc867..fa41842280 100644 --- a/hw/core/loader.c +++ b/hw/core/loader.c @@ -74,31 +74,6 @@ int64_t get_image_size(const char *filename) } /* return the size or -1 if error */ -/* deprecated, because caller does not specify buffer size! */ -int load_image(const char *filename, uint8_t *addr) -{ - int fd, size; - fd = open(filename, O_RDONLY | O_BINARY); - if (fd < 0) - return -1; - size = lseek(fd, 0, SEEK_END); - if (size == -1) { - fprintf(stderr, "file %-20s: get size error: %s\n", - filename, strerror(errno)); - close(fd); - return -1; - } - - lseek(fd, 0, SEEK_SET); - if (read(fd, addr, size) != size) { - close(fd); - return -1; - } - close(fd); - return size; -} - -/* return the size or -1 if error */ ssize_t load_image_size(const char *filename, void *addr, size_t size) { int fd; @@ -1103,8 +1078,8 @@ static void rom_reset(void *unused) void *host = memory_region_get_ram_ptr(rom->mr); memcpy(host, rom->data, rom->datasize); } else { - cpu_physical_memory_write_rom(rom->as, rom->addr, rom->data, - rom->datasize); + address_space_write_rom(rom->as, rom->addr, MEMTXATTRS_UNSPECIFIED, + rom->data, rom->datasize); } if (rom->isrom) { /* rom needs to be written only once */ diff --git a/hw/i386/multiboot.c b/hw/i386/multiboot.c index 1a4344f5fc..62340687e8 100644 --- a/hw/i386/multiboot.c +++ b/hw/i386/multiboot.c @@ -343,7 +343,11 @@ int load_multiboot(FWCfgState *fw_cfg, mbs.mb_buf_size = TARGET_PAGE_ALIGN(mb_mod_length + mbs.mb_buf_size); mbs.mb_buf = g_realloc(mbs.mb_buf, mbs.mb_buf_size); - load_image(one_file, (unsigned char *)mbs.mb_buf + offs); + if (load_image_size(one_file, (unsigned char *)mbs.mb_buf + offs, + mbs.mb_buf_size - offs) < 0) { + error_report("Error loading file '%s'", one_file); + exit(1); + } mb_add_mod(&mbs, mbs.mb_buf_phys + offs, mbs.mb_buf_phys + offs + mb_mod_length, c); diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 4cd2fbca4d..115bc2825c 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -839,10 +839,9 @@ static void load_linux(PCMachineState *pcms, { uint16_t protocol; int setup_size, kernel_size, cmdline_size; - int64_t initrd_size = 0; int dtb_size, setup_data_offset; uint32_t initrd_max; - uint8_t header[8192], *setup, *kernel, *initrd_data; + uint8_t header[8192], *setup, *kernel; hwaddr real_addr, prot_addr, cmdline_addr, initrd_addr = 0; FILE *f; char *vmode; @@ -965,27 +964,30 @@ static void load_linux(PCMachineState *pcms, /* load initrd */ if (initrd_filename) { + gsize initrd_size; + gchar *initrd_data; + GError *gerr = NULL; + if (protocol < 0x200) { fprintf(stderr, "qemu: linux kernel too old to load a ram disk\n"); exit(1); } - initrd_size = get_image_size(initrd_filename); - if (initrd_size < 0) { + if (!g_file_get_contents(initrd_filename, &initrd_data, + &initrd_size, &gerr)) { fprintf(stderr, "qemu: error reading initrd %s: %s\n", - initrd_filename, strerror(errno)); + initrd_filename, gerr->message); exit(1); - } else if (initrd_size >= initrd_max) { + } + if (initrd_size >= initrd_max) { fprintf(stderr, "qemu: initrd is too large, cannot support." - "(max: %"PRIu32", need %"PRId64")\n", initrd_max, initrd_size); + "(max: %"PRIu32", need %"PRId64")\n", + initrd_max, (uint64_t)initrd_size); exit(1); } initrd_addr = (initrd_max-initrd_size) & ~4095; - initrd_data = g_malloc(initrd_size); - load_image(initrd_filename, initrd_data); - fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_addr); fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size); fw_cfg_add_bytes(fw_cfg, FW_CFG_INITRD_DATA, initrd_data, initrd_size); diff --git a/hw/intc/apic.c b/hw/intc/apic.c index 97ffdd820f..c9dd65b3a0 100644 --- a/hw/intc/apic.c +++ b/hw/intc/apic.c @@ -122,9 +122,10 @@ static void apic_sync_vapic(APICCommonState *s, int sync_type) } vapic_state.irr = vector & 0xff; - cpu_physical_memory_write_rom(&address_space_memory, - s->vapic_paddr + start, - ((void *)&vapic_state) + start, length); + address_space_write_rom(&address_space_memory, + s->vapic_paddr + start, + MEMTXATTRS_UNSPECIFIED, + ((void *)&vapic_state) + start, length); } } diff --git a/hw/misc/tz-mpc.c b/hw/misc/tz-mpc.c index e0c58ba37e..fb48a1540b 100644 --- a/hw/misc/tz-mpc.c +++ b/hw/misc/tz-mpc.c @@ -448,7 +448,7 @@ static int tz_mpc_attrs_to_index(IOMMUMemoryRegion *iommu, MemTxAttrs attrs) { /* We treat unspecified attributes like secure. Transactions with * unspecified attributes come from places like - * cpu_physical_memory_write_rom() for initial image load, and we want + * rom_reset() for initial image load, and we want * those to pass through the from-reset "everything is secure" config. * All the real during-emulation transactions from the CPU will * specify attributes. diff --git a/hw/pci/pci.c b/hw/pci/pci.c index 56b13b3320..efb5ce196f 100644 --- a/hw/pci/pci.c +++ b/hw/pci/pci.c @@ -2261,7 +2261,11 @@ static void pci_add_option_rom(PCIDevice *pdev, bool is_default_rom, pdev->has_rom = true; memory_region_init_rom(&pdev->rom, OBJECT(pdev), name, size, &error_fatal); ptr = memory_region_get_ram_ptr(&pdev->rom); - load_image(path, ptr); + if (load_image_size(path, ptr, size) < 0) { + error_setg(errp, "failed to load romfile \"%s\"", pdev->romfile); + g_free(path); + return; + } g_free(path); if (is_default_rom) { diff --git a/hw/ppc/mac_newworld.c b/hw/ppc/mac_newworld.c index 14273a123e..7e45afae7c 100644 --- a/hw/ppc/mac_newworld.c +++ b/hw/ppc/mac_newworld.c @@ -127,8 +127,7 @@ static void ppc_core99_init(MachineState *machine) MACIOIDEState *macio_ide; BusState *adb_bus; MacIONVRAMState *nvr; - int bios_size, ndrv_size; - uint8_t *ndrv_file; + int bios_size; int ppc_boot_device; DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; void *fw_cfg; @@ -510,11 +509,10 @@ static void ppc_core99_init(MachineState *machine) /* MacOS NDRV VGA driver */ filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, NDRV_VGA_FILENAME); if (filename) { - ndrv_size = get_image_size(filename); - if (ndrv_size != -1) { - ndrv_file = g_malloc(ndrv_size); - ndrv_size = load_image(filename, ndrv_file); + gchar *ndrv_file; + gsize ndrv_size; + if (g_file_get_contents(filename, &ndrv_file, &ndrv_size, NULL)) { fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size); } g_free(filename); diff --git a/hw/ppc/mac_oldworld.c b/hw/ppc/mac_oldworld.c index 9891c325a9..817f70e52c 100644 --- a/hw/ppc/mac_oldworld.c +++ b/hw/ppc/mac_oldworld.c @@ -99,8 +99,7 @@ static void ppc_heathrow_init(MachineState *machine) SysBusDevice *s; DeviceState *dev, *pic_dev; BusState *adb_bus; - int bios_size, ndrv_size; - uint8_t *ndrv_file; + int bios_size; uint16_t ppc_boot_device; DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; void *fw_cfg; @@ -361,11 +360,10 @@ static void ppc_heathrow_init(MachineState *machine) /* MacOS NDRV VGA driver */ filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, NDRV_VGA_FILENAME); if (filename) { - ndrv_size = get_image_size(filename); - if (ndrv_size != -1) { - ndrv_file = g_malloc(ndrv_size); - ndrv_size = load_image(filename, ndrv_file); + gchar *ndrv_file; + gsize ndrv_size; + if (g_file_get_contents(filename, &ndrv_file, &ndrv_size, NULL)) { fw_cfg_add_file(fw_cfg, "ndrv/qemu_vga.ndrv", ndrv_file, ndrv_size); } g_free(filename); diff --git a/hw/ppc/ppc405_boards.c b/hw/ppc/ppc405_boards.c index 3be3fe4432..1b0a0a8ba3 100644 --- a/hw/ppc/ppc405_boards.c +++ b/hw/ppc/ppc405_boards.c @@ -219,9 +219,11 @@ static void ref405ep_init(MachineState *machine) bios_name = BIOS_FILENAME; filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); if (filename) { - bios_size = load_image(filename, memory_region_get_ram_ptr(bios)); + bios_size = load_image_size(filename, + memory_region_get_ram_ptr(bios), + BIOS_SIZE); g_free(filename); - if (bios_size < 0 || bios_size > BIOS_SIZE) { + if (bios_size < 0) { error_report("Could not load PowerPC BIOS '%s'", bios_name); exit(1); } @@ -515,9 +517,11 @@ static void taihu_405ep_init(MachineState *machine) &error_fatal); filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); if (filename) { - bios_size = load_image(filename, memory_region_get_ram_ptr(bios)); + bios_size = load_image_size(filename, + memory_region_get_ram_ptr(bios), + BIOS_SIZE); g_free(filename); - if (bios_size < 0 || bios_size > BIOS_SIZE) { + if (bios_size < 0) { error_report("Could not load PowerPC BIOS '%s'", bios_name); exit(1); } diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c index 81bbf03279..83f1574ffd 100644 --- a/hw/sd/sdhci.c +++ b/hw/sd/sdhci.c @@ -1371,7 +1371,7 @@ static void sdhci_common_realize(SDHCIState *s, Error **errp) s->buf_maxsz = sdhci_get_fifolen(s); s->fifo_buffer = g_malloc0(s->buf_maxsz); - memory_region_init_io(&s->iomem, OBJECT(s), &sdhci_mmio_ops, s, "sdhci", + memory_region_init_io(&s->iomem, OBJECT(s), s->io_ops, s, "sdhci", SDHC_REGISTERS_MAP_SIZE); } @@ -1565,9 +1565,6 @@ static void sdhci_sysbus_realize(DeviceState *dev, Error ** errp) sysbus_init_irq(sbd, &s->irq); - memory_region_init_io(&s->iomem, OBJECT(s), s->io_ops, s, "sdhci", - SDHC_REGISTERS_MAP_SIZE); - sysbus_init_mmio(sbd, &s->iomem); } diff --git a/hw/smbios/smbios.c b/hw/smbios/smbios.c index 920939454e..04811279a0 100644 --- a/hw/smbios/smbios.c +++ b/hw/smbios/smbios.c @@ -982,7 +982,7 @@ void smbios_entry_add(QemuOpts *opts, Error **errp) header = (struct smbios_structure_header *)(smbios_tables + smbios_tables_len); - if (load_image(val, (uint8_t *)header) != size) { + if (load_image_size(val, (uint8_t *)header, size) != size) { error_setg(errp, "Failed to load SMBIOS file %s", val); return; } diff --git a/hw/sparc/sun4m.c b/hw/sparc/sun4m.c index 3c29b68e67..639906cca3 100644 --- a/hw/sparc/sun4m.c +++ b/hw/sparc/sun4m.c @@ -559,8 +559,9 @@ static void idreg_init(hwaddr addr) s = SYS_BUS_DEVICE(dev); sysbus_mmio_map(s, 0, addr); - cpu_physical_memory_write_rom(&address_space_memory, - addr, idreg_data, sizeof(idreg_data)); + address_space_write_rom(&address_space_memory, addr, + MEMTXATTRS_UNSPECIFIED, + idreg_data, sizeof(idreg_data)); } #define MACIO_ID_REGISTER(obj) \ diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h index 18b40d6145..2ad2d6d86b 100644 --- a/include/exec/cpu-common.h +++ b/include/exec/cpu-common.h @@ -111,8 +111,6 @@ bool cpu_physical_memory_is_io(hwaddr phys_addr); */ void qemu_flush_coalesced_mmio_buffer(void); -void cpu_physical_memory_write_rom(AddressSpace *as, hwaddr addr, - const uint8_t *buf, int len); void cpu_flush_icache_range(hwaddr start, int len); extern struct MemoryRegion io_mem_rom; diff --git a/include/exec/memory.h b/include/exec/memory.h index 8e61450de3..ffd23ed8d8 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -1792,6 +1792,32 @@ MemTxResult address_space_write(AddressSpace *as, hwaddr addr, MemTxAttrs attrs, const uint8_t *buf, int len); +/** + * address_space_write_rom: write to address space, including ROM. + * + * This function writes to the specified address space, but will + * write data to both ROM and RAM. This is used for non-guest + * writes like writes from the gdb debug stub or initial loading + * of ROM contents. + * + * Note that portions of the write which attempt to write data to + * a device will be silently ignored -- only real RAM and ROM will + * be written to. + * + * Return a MemTxResult indicating whether the operation succeeded + * or failed (eg unassigned memory, device rejected the transaction, + * IOMMU fault). + * + * @as: #AddressSpace to be accessed + * @addr: address within that address space + * @attrs: memory transaction attributes + * @buf: buffer with the data transferred + * @len: the number of bytes to write + */ +MemTxResult address_space_write_rom(AddressSpace *as, hwaddr addr, + MemTxAttrs attrs, + const uint8_t *buf, int len); + /* address_space_ld*: load from an address space * address_space_st*: store to an address space * diff --git a/include/hw/elf_ops.h b/include/hw/elf_ops.h index 81cecaf27e..74679ff8da 100644 --- a/include/hw/elf_ops.h +++ b/include/hw/elf_ops.h @@ -482,7 +482,9 @@ static int glue(load_elf, SZ)(const char *name, int fd, rom_add_elf_program(label, data, file_size, mem_size, addr, as); } else { - cpu_physical_memory_write(addr, data, file_size); + address_space_write(as ? as : &address_space_memory, + addr, MEMTXATTRS_UNSPECIFIED, + data, file_size); g_free(data); } } diff --git a/include/hw/loader.h b/include/hw/loader.h index 67a0af84ac..0a0ad808ea 100644 --- a/include/hw/loader.h +++ b/include/hw/loader.h @@ -11,7 +11,22 @@ * On error, errno is also set as appropriate. */ int64_t get_image_size(const char *filename); -int load_image(const char *filename, uint8_t *addr); /* deprecated */ +/** + * load_image_size: load an image file into specified buffer + * @filename: Path to the image file + * @addr: Buffer to load image into + * @size: Size of buffer in bytes + * + * Load an image file from disk into the specified buffer. + * If the image is larger than the specified buffer, only + * @size bytes are read (this is not considered an error). + * + * Prefer to use the GLib function g_file_get_contents() rather + * than a "get_image_size()/g_malloc()/load_image_size()" sequence. + * + * Returns the number of bytes read, or -1 on error. On error, + * errno is also set as appropriate. + */ ssize_t load_image_size(const char *filename, void *addr, size_t size); /**load_image_targphys_as: @@ -1600,7 +1600,13 @@ static void memory_dump(Monitor *mon, int count, int format, int wsize, if (l > line_size) l = line_size; if (is_physical) { - cpu_physical_memory_read(addr, buf, l); + AddressSpace *as = cs ? cs->as : &address_space_memory; + MemTxResult r = address_space_read(as, addr, + MEMTXATTRS_UNSPECIFIED, buf, l); + if (r != MEMTX_OK) { + monitor_printf(mon, " Cannot access memory\n"); + break; + } } else { if (cpu_memory_rw_debug(cs, addr, buf, l, 0) < 0) { monitor_printf(mon, " Cannot access memory\n"); diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index a892a6cc7c..18e16b79df 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -1569,6 +1569,54 @@ sub process { # check we are in a valid C source file if not then ignore this hunk next if ($realfile !~ /\.(h|c|cpp)$/); +# Block comment styles + + # Block comments use /* on a line of its own + if ($rawline !~ m@^\+.*/\*.*\*/[ \t]*$@ && #inline /*...*/ + $rawline =~ m@^\+.*/\*\*?[ \t]*.+[ \t]*$@) { # /* or /** non-blank + WARN("Block comments use a leading /* on a separate line\n" . $herecurr); + } + +# Block comments use * on subsequent lines + if ($prevline =~ /$;[ \t]*$/ && #ends in comment + $prevrawline =~ /^\+.*?\/\*/ && #starting /* + $prevrawline !~ /\*\/[ \t]*$/ && #no trailing */ + $rawline =~ /^\+/ && #line is new + $rawline !~ /^\+[ \t]*\*/) { #no leading * + WARN("Block comments use * on subsequent lines\n" . $hereprev); + } + +# Block comments use */ on trailing lines + if ($rawline !~ m@^\+[ \t]*\*/[ \t]*$@ && #trailing */ + $rawline !~ m@^\+.*/\*.*\*/[ \t]*$@ && #inline /*...*/ + $rawline !~ m@^\+.*\*{2,}/[ \t]*$@ && #trailing **/ + $rawline =~ m@^\+[ \t]*.+\*\/[ \t]*$@) { #non blank */ + WARN("Block comments use a trailing */ on a separate line\n" . $herecurr); + } + +# Block comment * alignment + if ($prevline =~ /$;[ \t]*$/ && #ends in comment + $line =~ /^\+[ \t]*$;/ && #leading comment + $rawline =~ /^\+[ \t]*\*/ && #leading * + (($prevrawline =~ /^\+.*?\/\*/ && #leading /* + $prevrawline !~ /\*\/[ \t]*$/) || #no trailing */ + $prevrawline =~ /^\+[ \t]*\*/)) { #leading * + my $oldindent; + $prevrawline =~ m@^\+([ \t]*/?)\*@; + if (defined($1)) { + $oldindent = expand_tabs($1); + } else { + $prevrawline =~ m@^\+(.*/?)\*@; + $oldindent = expand_tabs($1); + } + $rawline =~ m@^\+([ \t]*)\*@; + my $newindent = $1; + $newindent = expand_tabs($newindent); + if (length($oldindent) ne length($newindent)) { + WARN("Block comments should align the * on each line\n" . $hereprev); + } + } + # Check for potential 'bare' types my ($stat, $cond, $line_nr_next, $remain_next, $off_next, $realline_next); diff --git a/target/arm/cpu.c b/target/arm/cpu.c index 0b185f8d30..c8505eaaee 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -642,6 +642,20 @@ uint64_t arm_cpu_mp_affinity(int idx, uint8_t clustersz) return (Aff1 << ARM_AFF1_SHIFT) | Aff0; } +static void cpreg_hashtable_data_destroy(gpointer data) +{ + /* + * Destroy function for cpu->cp_regs hashtable data entries. + * We must free the name string because it was g_strdup()ed in + * add_cpreg_to_hashtable(). It's OK to cast away the 'const' + * from r->name because we know we definitely allocated it. + */ + ARMCPRegInfo *r = data; + + g_free((void *)r->name); + g_free(r); +} + static void arm_cpu_initfn(Object *obj) { CPUState *cs = CPU(obj); @@ -649,7 +663,7 @@ static void arm_cpu_initfn(Object *obj) cs->env_ptr = &cpu->env; cpu->cp_regs = g_hash_table_new_full(g_int_hash, g_int_equal, - g_free, g_free); + g_free, cpreg_hashtable_data_destroy); QLIST_INIT(&cpu->pre_el_change_hooks); QLIST_INIT(&cpu->el_change_hooks); @@ -665,14 +679,6 @@ static void arm_cpu_initfn(Object *obj) qdev_init_gpio_in(DEVICE(cpu), arm_cpu_set_irq, 4); } - cpu->gt_timer[GTIMER_PHYS] = timer_new(QEMU_CLOCK_VIRTUAL, GTIMER_SCALE, - arm_gt_ptimer_cb, cpu); - cpu->gt_timer[GTIMER_VIRT] = timer_new(QEMU_CLOCK_VIRTUAL, GTIMER_SCALE, - arm_gt_vtimer_cb, cpu); - cpu->gt_timer[GTIMER_HYP] = timer_new(QEMU_CLOCK_VIRTUAL, GTIMER_SCALE, - arm_gt_htimer_cb, cpu); - cpu->gt_timer[GTIMER_SEC] = timer_new(QEMU_CLOCK_VIRTUAL, GTIMER_SCALE, - arm_gt_stimer_cb, cpu); qdev_init_gpio_out(DEVICE(cpu), cpu->gt_timer_outputs, ARRAY_SIZE(cpu->gt_timer_outputs)); @@ -868,6 +874,15 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp) return; } } + + cpu->gt_timer[GTIMER_PHYS] = timer_new(QEMU_CLOCK_VIRTUAL, GTIMER_SCALE, + arm_gt_ptimer_cb, cpu); + cpu->gt_timer[GTIMER_VIRT] = timer_new(QEMU_CLOCK_VIRTUAL, GTIMER_SCALE, + arm_gt_vtimer_cb, cpu); + cpu->gt_timer[GTIMER_HYP] = timer_new(QEMU_CLOCK_VIRTUAL, GTIMER_SCALE, + arm_gt_htimer_cb, cpu); + cpu->gt_timer[GTIMER_SEC] = timer_new(QEMU_CLOCK_VIRTUAL, GTIMER_SCALE, + arm_gt_stimer_cb, cpu); #endif cpu_exec_realizefn(cs, &local_err); diff --git a/tests/test-arm-mptimer.c b/tests/test-arm-mptimer.c index cb8f2df914..156a39f50d 100644 --- a/tests/test-arm-mptimer.c +++ b/tests/test-arm-mptimer.c @@ -991,10 +991,25 @@ static void test_timer_zero_load_nonscaled_periodic_to_prescaled_oneshot(void) g_assert_cmpuint(timer_get_and_clr_int_sts(), ==, 0); } +/* + * Add a qtest test that comes in two versions: one with + * a timer scaler setting, and one with the timer nonscaled. + */ +static void add_scaler_test(const char *str, bool scale, + void (*fn)(const void *)) +{ + char *name; + int *scaler = scale ? &scaled : &nonscaled; + + name = g_strdup_printf("%s=%d", str, *scaler); + qtest_add_data_func(name, scaler, fn); + g_free(name); +} + int main(int argc, char **argv) { - int *scaler = &nonscaled; int ret; + int scale; g_test_init(&argc, &argv, NULL); @@ -1012,89 +1027,59 @@ int main(int argc, char **argv) qtest_add_func("mptimer/prescaler", test_timer_prescaler); qtest_add_func("mptimer/prescaler_on_the_fly", test_timer_prescaler_on_the_fly); -tests_with_prescaler_arg: - qtest_add_data_func( - g_strdup_printf("mptimer/oneshot scaler=%d", *scaler), - scaler, test_timer_oneshot); - qtest_add_data_func( - g_strdup_printf("mptimer/pause scaler=%d", *scaler), - scaler, test_timer_pause); - qtest_add_data_func( - g_strdup_printf("mptimer/reload scaler=%d", *scaler), - scaler, test_timer_reload); - qtest_add_data_func( - g_strdup_printf("mptimer/periodic scaler=%d", *scaler), - scaler, test_timer_periodic); - qtest_add_data_func( - g_strdup_printf("mptimer/oneshot_to_periodic scaler=%d", *scaler), - scaler, test_timer_oneshot_to_periodic); - qtest_add_data_func( - g_strdup_printf("mptimer/periodic_to_oneshot scaler=%d", *scaler), - scaler, test_timer_periodic_to_oneshot); - qtest_add_data_func( - g_strdup_printf("mptimer/set_oneshot_counter_to_0 scaler=%d", *scaler), - scaler, test_timer_set_oneshot_counter_to_0); - qtest_add_data_func( - g_strdup_printf("mptimer/set_periodic_counter_to_0 scaler=%d", *scaler), - scaler, test_timer_set_periodic_counter_to_0); - qtest_add_data_func( - g_strdup_printf("mptimer/noload_oneshot scaler=%d", *scaler), - scaler, test_timer_noload_oneshot); - qtest_add_data_func( - g_strdup_printf("mptimer/noload_periodic scaler=%d", *scaler), - scaler, test_timer_noload_periodic); - qtest_add_data_func( - g_strdup_printf("mptimer/zero_load_oneshot scaler=%d", *scaler), - scaler, test_timer_zero_load_oneshot); - qtest_add_data_func( - g_strdup_printf("mptimer/zero_load_periodic scaler=%d", *scaler), - scaler, test_timer_zero_load_periodic); - qtest_add_data_func( - g_strdup_printf("mptimer/zero_load_oneshot_to_nonzero scaler=%d", *scaler), - scaler, test_timer_zero_load_oneshot_to_nonzero); - qtest_add_data_func( - g_strdup_printf("mptimer/zero_load_periodic_to_nonzero scaler=%d", *scaler), - scaler, test_timer_zero_load_periodic_to_nonzero); - qtest_add_data_func( - g_strdup_printf("mptimer/nonzero_load_oneshot_to_zero scaler=%d", *scaler), - scaler, test_timer_nonzero_load_oneshot_to_zero); - qtest_add_data_func( - g_strdup_printf("mptimer/nonzero_load_periodic_to_zero scaler=%d", *scaler), - scaler, test_timer_nonzero_load_periodic_to_zero); - qtest_add_data_func( - g_strdup_printf("mptimer/set_periodic_counter_on_the_fly scaler=%d", *scaler), - scaler, test_timer_set_periodic_counter_on_the_fly); - qtest_add_data_func( - g_strdup_printf("mptimer/enable_and_set_counter scaler=%d", *scaler), - scaler, test_timer_enable_and_set_counter); - qtest_add_data_func( - g_strdup_printf("mptimer/set_counter_and_enable scaler=%d", *scaler), - scaler, test_timer_set_counter_and_enable); - qtest_add_data_func( - g_strdup_printf("mptimer/oneshot_with_counter_0_on_start scaler=%d", *scaler), - scaler, test_timer_oneshot_with_counter_0_on_start); - qtest_add_data_func( - g_strdup_printf("mptimer/periodic_with_counter_0_on_start scaler=%d", *scaler), - scaler, test_timer_periodic_with_counter_0_on_start); - qtest_add_data_func( - g_strdup_printf("mptimer/periodic_counter scaler=%d", *scaler), - scaler, test_periodic_counter); - qtest_add_data_func( - g_strdup_printf("mptimer/set_counter_periodic_with_zero_load scaler=%d", *scaler), - scaler, test_timer_set_counter_periodic_with_zero_load); - qtest_add_data_func( - g_strdup_printf("mptimer/set_oneshot_load_to_0 scaler=%d", *scaler), - scaler, test_timer_set_oneshot_load_to_0); - qtest_add_data_func( - g_strdup_printf("mptimer/set_periodic_load_to_0 scaler=%d", *scaler), - scaler, test_timer_set_periodic_load_to_0); - qtest_add_data_func( - g_strdup_printf("mptimer/zero_load_mode_switch scaler=%d", *scaler), - scaler, test_timer_zero_load_mode_switch); - - if (scaler == &nonscaled) { - scaler = &scaled; - goto tests_with_prescaler_arg; + for (scale = 0; scale < 2; scale++) { + add_scaler_test("mptimer/oneshot scaler", + scale, test_timer_oneshot); + add_scaler_test("mptimer/pause scaler", + scale, test_timer_pause); + add_scaler_test("mptimer/reload scaler", + scale, test_timer_reload); + add_scaler_test("mptimer/periodic scaler", + scale, test_timer_periodic); + add_scaler_test("mptimer/oneshot_to_periodic scaler", + scale, test_timer_oneshot_to_periodic); + add_scaler_test("mptimer/periodic_to_oneshot scaler", + scale, test_timer_periodic_to_oneshot); + add_scaler_test("mptimer/set_oneshot_counter_to_0 scaler", + scale, test_timer_set_oneshot_counter_to_0); + add_scaler_test("mptimer/set_periodic_counter_to_0 scaler", + scale, test_timer_set_periodic_counter_to_0); + add_scaler_test("mptimer/noload_oneshot scaler", + scale, test_timer_noload_oneshot); + add_scaler_test("mptimer/noload_periodic scaler", + scale, test_timer_noload_periodic); + add_scaler_test("mptimer/zero_load_oneshot scaler", + scale, test_timer_zero_load_oneshot); + add_scaler_test("mptimer/zero_load_periodic scaler", + scale, test_timer_zero_load_periodic); + add_scaler_test("mptimer/zero_load_oneshot_to_nonzero scaler", + scale, test_timer_zero_load_oneshot_to_nonzero); + add_scaler_test("mptimer/zero_load_periodic_to_nonzero scaler", + scale, test_timer_zero_load_periodic_to_nonzero); + add_scaler_test("mptimer/nonzero_load_oneshot_to_zero scaler", + scale, test_timer_nonzero_load_oneshot_to_zero); + add_scaler_test("mptimer/nonzero_load_periodic_to_zero scaler", + scale, test_timer_nonzero_load_periodic_to_zero); + add_scaler_test("mptimer/set_periodic_counter_on_the_fly scaler", + scale, test_timer_set_periodic_counter_on_the_fly); + add_scaler_test("mptimer/enable_and_set_counter scaler", + scale, test_timer_enable_and_set_counter); + add_scaler_test("mptimer/set_counter_and_enable scaler", + scale, test_timer_set_counter_and_enable); + add_scaler_test("mptimer/oneshot_with_counter_0_on_start scaler", + scale, test_timer_oneshot_with_counter_0_on_start); + add_scaler_test("mptimer/periodic_with_counter_0_on_start scaler", + scale, test_timer_periodic_with_counter_0_on_start); + add_scaler_test("mptimer/periodic_counter scaler", + scale, test_periodic_counter); + add_scaler_test("mptimer/set_counter_periodic_with_zero_load scaler", + scale, test_timer_set_counter_periodic_with_zero_load); + add_scaler_test("mptimer/set_oneshot_load_to_0 scaler", + scale, test_timer_set_oneshot_load_to_0); + add_scaler_test("mptimer/set_periodic_load_to_0 scaler", + scale, test_timer_set_periodic_load_to_0); + add_scaler_test("mptimer/zero_load_mode_switch scaler", + scale, test_timer_zero_load_mode_switch); } qtest_start("-machine vexpress-a9"); |