From 4366e1db16a3ec7bf24171e5c7619c8ea038e43b Mon Sep 17 00:00:00 2001 From: Liam Merwick Date: Tue, 15 Jan 2019 12:18:03 +0000 Subject: [PATCH] elf: Add optional function ptr to load_elf() to parse ELF notes This patch adds an optional function pointer, 'elf_note_fn', to load_elf() which causes load_elf() to additionally parse any ELF program headers of type PT_NOTE and check to see if the ELF Note is of the type specified by the 'translate_opaque' arg. If a matching ELF Note is found then the specfied function pointer is called to process the ELF note. Passing a NULL function pointer results in ELF Notes being skipped. The first consumer of this functionality is the PVHboot support which needs to read the XEN_ELFNOTE_PHYS32_ENTRY ELF Note while loading the uncompressed kernel binary in order to discover the boot entry address for the x86/HVM direct boot ABI. Signed-off-by: Liam Merwick Signed-off-by: Paolo Bonzini --- hw/alpha/dp264.c | 4 ++-- hw/arm/armv7m.c | 3 ++- hw/arm/boot.c | 2 +- hw/core/generic-loader.c | 2 +- hw/core/loader.c | 24 ++++++++++++++++-------- hw/cris/boot.c | 3 ++- hw/hppa/machine.c | 6 +++--- hw/i386/multiboot.c | 2 +- hw/lm32/lm32_boards.c | 6 ++++-- hw/lm32/milkymist.c | 3 ++- hw/m68k/an5206.c | 2 +- hw/m68k/mcf5208.c | 2 +- hw/microblaze/boot.c | 7 ++++--- hw/mips/mips_fulong2e.c | 5 +++-- hw/mips/mips_malta.c | 5 +++-- hw/mips/mips_mipssim.c | 5 +++-- hw/mips/mips_r4k.c | 5 +++-- hw/moxie/moxiesim.c | 2 +- hw/nios2/boot.c | 7 ++++--- hw/openrisc/openrisc_sim.c | 2 +- hw/pci-host/prep.c | 2 +- hw/ppc/e500.c | 3 ++- hw/ppc/mac_newworld.c | 5 +++-- hw/ppc/mac_oldworld.c | 5 +++-- hw/ppc/ppc440_bamboo.c | 2 +- hw/ppc/sam460ex.c | 3 ++- hw/ppc/spapr.c | 7 ++++--- hw/ppc/virtex_ml507.c | 2 +- hw/riscv/sifive_e.c | 2 +- hw/riscv/sifive_u.c | 2 +- hw/riscv/spike.c | 2 +- hw/riscv/virt.c | 2 +- hw/s390x/ipl.c | 9 ++++++--- hw/sparc/leon3.c | 3 ++- hw/sparc/sun4m.c | 6 ++++-- hw/sparc64/sun4u.c | 4 ++-- hw/tricore/tricore_testboard.c | 2 +- hw/xtensa/sim.c | 12 ++++++++---- hw/xtensa/xtfpga.c | 2 +- include/hw/elf_ops.h | 2 ++ include/hw/loader.h | 9 ++++++++- 41 files changed, 113 insertions(+), 70 deletions(-) diff --git a/hw/alpha/dp264.c b/hw/alpha/dp264.c index dd62f2a405..0347eb897c 100644 --- a/hw/alpha/dp264.c +++ b/hw/alpha/dp264.c @@ -114,7 +114,7 @@ static void clipper_init(MachineState *machine) error_report("no palcode provided"); exit(1); } - size = load_elf(palcode_filename, cpu_alpha_superpage_to_phys, + size = load_elf(palcode_filename, NULL, cpu_alpha_superpage_to_phys, NULL, &palcode_entry, &palcode_low, &palcode_high, 0, EM_ALPHA, 0, 0); if (size < 0) { @@ -133,7 +133,7 @@ static void clipper_init(MachineState *machine) if (kernel_filename) { uint64_t param_offset; - size = load_elf(kernel_filename, cpu_alpha_superpage_to_phys, + size = load_elf(kernel_filename, NULL, cpu_alpha_superpage_to_phys, NULL, &kernel_entry, &kernel_low, &kernel_high, 0, EM_ALPHA, 0, 0); if (size < 0) { diff --git a/hw/arm/armv7m.c b/hw/arm/armv7m.c index adae11e76e..c4b2a9a1f5 100644 --- a/hw/arm/armv7m.c +++ b/hw/arm/armv7m.c @@ -310,7 +310,8 @@ void armv7m_load_kernel(ARMCPU *cpu, const char *kernel_filename, int mem_size) as = cpu_get_address_space(cs, asidx); if (kernel_filename) { - image_size = load_elf_as(kernel_filename, NULL, NULL, &entry, &lowaddr, + image_size = load_elf_as(kernel_filename, NULL, NULL, NULL, + &entry, &lowaddr, NULL, big_endian, EM_ARM, 1, 0, as); if (image_size < 0) { image_size = load_image_targphys_as(kernel_filename, 0, diff --git a/hw/arm/boot.c b/hw/arm/boot.c index 05762d0fc1..be25902c12 100644 --- a/hw/arm/boot.c +++ b/hw/arm/boot.c @@ -881,7 +881,7 @@ static int64_t arm_load_elf(struct arm_boot_info *info, uint64_t *pentry, } } - ret = load_elf_as(info->kernel_filename, NULL, NULL, + ret = load_elf_as(info->kernel_filename, NULL, NULL, NULL, pentry, lowaddr, highaddr, big_endian, elf_machine, 1, data_swab, as); if (ret <= 0) { diff --git a/hw/core/generic-loader.c b/hw/core/generic-loader.c index fbae05fb3b..3695dd439c 100644 --- a/hw/core/generic-loader.c +++ b/hw/core/generic-loader.c @@ -136,7 +136,7 @@ static void generic_loader_realize(DeviceState *dev, Error **errp) AddressSpace *as = s->cpu ? s->cpu->as : NULL; if (!s->force_raw) { - size = load_elf_as(s->file, NULL, NULL, &entry, NULL, NULL, + size = load_elf_as(s->file, NULL, NULL, NULL, &entry, NULL, NULL, big_endian, 0, 0, 0, as); if (size < 0) { diff --git a/hw/core/loader.c b/hw/core/loader.c index c4f62fe427..3a000d576b 100644 --- a/hw/core/loader.c +++ b/hw/core/loader.c @@ -396,37 +396,42 @@ fail: } /* return < 0 if error, otherwise the number of bytes loaded in memory */ -int load_elf(const char *filename, uint64_t (*translate_fn)(void *, uint64_t), +int load_elf(const char *filename, + uint64_t (*elf_note_fn)(void *, void *, bool), + uint64_t (*translate_fn)(void *, uint64_t), void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr, uint64_t *highaddr, int big_endian, int elf_machine, int clear_lsb, int data_swab) { - return load_elf_as(filename, translate_fn, translate_opaque, pentry, - lowaddr, highaddr, big_endian, elf_machine, clear_lsb, - data_swab, NULL); + return load_elf_as(filename, elf_note_fn, translate_fn, translate_opaque, + pentry, lowaddr, highaddr, big_endian, elf_machine, + clear_lsb, data_swab, NULL); } /* return < 0 if error, otherwise the number of bytes loaded in memory */ int load_elf_as(const char *filename, + uint64_t (*elf_note_fn)(void *, void *, bool), uint64_t (*translate_fn)(void *, uint64_t), void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr, uint64_t *highaddr, int big_endian, int elf_machine, int clear_lsb, int data_swab, AddressSpace *as) { - return load_elf_ram(filename, translate_fn, translate_opaque, + return load_elf_ram(filename, elf_note_fn, translate_fn, translate_opaque, pentry, lowaddr, highaddr, big_endian, elf_machine, clear_lsb, data_swab, as, true); } /* return < 0 if error, otherwise the number of bytes loaded in memory */ int load_elf_ram(const char *filename, + uint64_t (*elf_note_fn)(void *, void *, bool), uint64_t (*translate_fn)(void *, uint64_t), void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr, uint64_t *highaddr, int big_endian, int elf_machine, int clear_lsb, int data_swab, AddressSpace *as, bool load_rom) { - return load_elf_ram_sym(filename, translate_fn, translate_opaque, + return load_elf_ram_sym(filename, elf_note_fn, + translate_fn, translate_opaque, pentry, lowaddr, highaddr, big_endian, elf_machine, clear_lsb, data_swab, as, load_rom, NULL); @@ -434,6 +439,7 @@ int load_elf_ram(const char *filename, /* return < 0 if error, otherwise the number of bytes loaded in memory */ int load_elf_ram_sym(const char *filename, + uint64_t (*elf_note_fn)(void *, void *, bool), uint64_t (*translate_fn)(void *, uint64_t), void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr, uint64_t *highaddr, int big_endian, @@ -476,11 +482,13 @@ int load_elf_ram_sym(const char *filename, lseek(fd, 0, SEEK_SET); if (e_ident[EI_CLASS] == ELFCLASS64) { - ret = load_elf64(filename, fd, translate_fn, translate_opaque, must_swab, + ret = load_elf64(filename, fd, elf_note_fn, + translate_fn, translate_opaque, must_swab, pentry, lowaddr, highaddr, elf_machine, clear_lsb, data_swab, as, load_rom, sym_cb); } else { - ret = load_elf32(filename, fd, translate_fn, translate_opaque, must_swab, + ret = load_elf32(filename, fd, elf_note_fn, + translate_fn, translate_opaque, must_swab, pentry, lowaddr, highaddr, elf_machine, clear_lsb, data_swab, as, load_rom, sym_cb); } diff --git a/hw/cris/boot.c b/hw/cris/boot.c index f896ed7f86..95cba2151b 100644 --- a/hw/cris/boot.c +++ b/hw/cris/boot.c @@ -75,7 +75,8 @@ void cris_load_image(CRISCPU *cpu, struct cris_load_info *li) env->load_info = li; /* Boots a kernel elf binary, os/linux-2.6/vmlinux from the axis devboard SDK. */ - image_size = load_elf(li->image_filename, translate_kernel_address, NULL, + image_size = load_elf(li->image_filename, NULL, + translate_kernel_address, NULL, &entry, NULL, &high, 0, EM_CRIS, 0, 0); li->entry = entry; if (image_size < 0) { diff --git a/hw/hppa/machine.c b/hw/hppa/machine.c index ac6dd7f6ab..d1b1d3caa4 100644 --- a/hw/hppa/machine.c +++ b/hw/hppa/machine.c @@ -135,8 +135,8 @@ static void machine_hppa_init(MachineState *machine) exit(1); } - size = load_elf(firmware_filename, NULL, - NULL, &firmware_entry, &firmware_low, &firmware_high, + size = load_elf(firmware_filename, NULL, NULL, NULL, + &firmware_entry, &firmware_low, &firmware_high, true, EM_PARISC, 0, 0); /* Unfortunately, load_elf sign-extends reading elf32. */ @@ -165,7 +165,7 @@ static void machine_hppa_init(MachineState *machine) /* Load kernel */ if (kernel_filename) { - size = load_elf(kernel_filename, &cpu_hppa_to_phys, + size = load_elf(kernel_filename, NULL, &cpu_hppa_to_phys, NULL, &kernel_entry, &kernel_low, &kernel_high, true, EM_PARISC, 0, 0); diff --git a/hw/i386/multiboot.c b/hw/i386/multiboot.c index 62340687e8..a3e33fbe5e 100644 --- a/hw/i386/multiboot.c +++ b/hw/i386/multiboot.c @@ -199,7 +199,7 @@ int load_multiboot(FWCfgState *fw_cfg, exit(1); } - kernel_size = load_elf(kernel_filename, NULL, NULL, &elf_entry, + kernel_size = load_elf(kernel_filename, NULL, NULL, NULL, &elf_entry, &elf_low, &elf_high, 0, I386_ELF_MACHINE, 0, 0); if (kernel_size < 0) { diff --git a/hw/lm32/lm32_boards.c b/hw/lm32/lm32_boards.c index fd8eccca14..05157f8eab 100644 --- a/hw/lm32/lm32_boards.c +++ b/hw/lm32/lm32_boards.c @@ -138,7 +138,8 @@ static void lm32_evr_init(MachineState *machine) uint64_t entry; int kernel_size; - kernel_size = load_elf(kernel_filename, NULL, NULL, &entry, NULL, NULL, + kernel_size = load_elf(kernel_filename, NULL, NULL, NULL, + &entry, NULL, NULL, 1, EM_LATTICEMICO32, 0, 0); reset_info->bootstrap_pc = entry; @@ -231,7 +232,8 @@ static void lm32_uclinux_init(MachineState *machine) uint64_t entry; int kernel_size; - kernel_size = load_elf(kernel_filename, NULL, NULL, &entry, NULL, NULL, + kernel_size = load_elf(kernel_filename, NULL, NULL, NULL, + &entry, NULL, NULL, 1, EM_LATTICEMICO32, 0, 0); reset_info->bootstrap_pc = entry; diff --git a/hw/lm32/milkymist.c b/hw/lm32/milkymist.c index 26a2398354..b080cf1ca9 100644 --- a/hw/lm32/milkymist.c +++ b/hw/lm32/milkymist.c @@ -176,7 +176,8 @@ milkymist_init(MachineState *machine) uint64_t entry; /* Boots a kernel elf binary. */ - kernel_size = load_elf(kernel_filename, NULL, NULL, &entry, NULL, NULL, + kernel_size = load_elf(kernel_filename, NULL, NULL, NULL, + &entry, NULL, NULL, 1, EM_LATTICEMICO32, 0, 0); reset_info->bootstrap_pc = entry; diff --git a/hw/m68k/an5206.c b/hw/m68k/an5206.c index 5e067ea1c3..06e3803258 100644 --- a/hw/m68k/an5206.c +++ b/hw/m68k/an5206.c @@ -66,7 +66,7 @@ static void an5206_init(MachineState *machine) exit(1); } - kernel_size = load_elf(kernel_filename, NULL, NULL, &elf_entry, + kernel_size = load_elf(kernel_filename, NULL, NULL, NULL, &elf_entry, NULL, NULL, 1, EM_68K, 0, 0); entry = elf_entry; if (kernel_size < 0) { diff --git a/hw/m68k/mcf5208.c b/hw/m68k/mcf5208.c index 0f2245dd81..8531e07e5b 100644 --- a/hw/m68k/mcf5208.c +++ b/hw/m68k/mcf5208.c @@ -294,7 +294,7 @@ static void mcf5208evb_init(MachineState *machine) exit(1); } - kernel_size = load_elf(kernel_filename, NULL, NULL, &elf_entry, + kernel_size = load_elf(kernel_filename, NULL, NULL, NULL, &elf_entry, NULL, NULL, 1, EM_68K, 0, 0); entry = elf_entry; if (kernel_size < 0) { diff --git a/hw/microblaze/boot.c b/hw/microblaze/boot.c index 489ab839b7..a7af4c0704 100644 --- a/hw/microblaze/boot.c +++ b/hw/microblaze/boot.c @@ -142,13 +142,14 @@ void microblaze_load_kernel(MicroBlazeCPU *cpu, hwaddr ddr_base, #endif /* Boots a kernel elf binary. */ - kernel_size = load_elf(kernel_filename, NULL, NULL, + kernel_size = load_elf(kernel_filename, NULL, NULL, NULL, &entry, &low, &high, big_endian, EM_MICROBLAZE, 0, 0); base32 = entry; if (base32 == 0xc0000000) { - kernel_size = load_elf(kernel_filename, translate_kernel_address, - NULL, &entry, NULL, NULL, + kernel_size = load_elf(kernel_filename, NULL, + translate_kernel_address, NULL, + &entry, NULL, NULL, big_endian, EM_MICROBLAZE, 0, 0); } /* Always boot into physical ram. */ diff --git a/hw/mips/mips_fulong2e.c b/hw/mips/mips_fulong2e.c index 42d09f6892..02549d5c7e 100644 --- a/hw/mips/mips_fulong2e.c +++ b/hw/mips/mips_fulong2e.c @@ -111,8 +111,9 @@ static int64_t load_kernel (CPUMIPSState *env) uint32_t *prom_buf; long prom_size; - kernel_size = load_elf(loaderparams.kernel_filename, cpu_mips_kseg0_to_phys, - NULL, (uint64_t *)&kernel_entry, + kernel_size = load_elf(loaderparams.kernel_filename, NULL, + cpu_mips_kseg0_to_phys, NULL, + (uint64_t *)&kernel_entry, (uint64_t *)&kernel_low, (uint64_t *)&kernel_high, 0, EM_MIPS, 1, 0); if (kernel_size < 0) { diff --git a/hw/mips/mips_malta.c b/hw/mips/mips_malta.c index c1cf0fe12e..74667766c2 100644 --- a/hw/mips/mips_malta.c +++ b/hw/mips/mips_malta.c @@ -1010,8 +1010,9 @@ static int64_t load_kernel (void) big_endian = 0; #endif - kernel_size = load_elf(loaderparams.kernel_filename, cpu_mips_kseg0_to_phys, - NULL, (uint64_t *)&kernel_entry, NULL, + kernel_size = load_elf(loaderparams.kernel_filename, NULL, + cpu_mips_kseg0_to_phys, NULL, + (uint64_t *)&kernel_entry, NULL, (uint64_t *)&kernel_high, big_endian, EM_MIPS, 1, 0); if (kernel_size < 0) { error_report("could not load kernel '%s': %s", diff --git a/hw/mips/mips_mipssim.c b/hw/mips/mips_mipssim.c index f665752a2f..824abda657 100644 --- a/hw/mips/mips_mipssim.c +++ b/hw/mips/mips_mipssim.c @@ -69,8 +69,9 @@ static int64_t load_kernel(void) big_endian = 0; #endif - kernel_size = load_elf(loaderparams.kernel_filename, cpu_mips_kseg0_to_phys, - NULL, (uint64_t *)&entry, NULL, + kernel_size = load_elf(loaderparams.kernel_filename, NULL, + cpu_mips_kseg0_to_phys, NULL, + (uint64_t *)&entry, NULL, (uint64_t *)&kernel_high, big_endian, EM_MIPS, 1, 0); if (kernel_size >= 0) { diff --git a/hw/mips/mips_r4k.c b/hw/mips/mips_r4k.c index 1922407394..a015a6d14e 100644 --- a/hw/mips/mips_r4k.c +++ b/hw/mips/mips_r4k.c @@ -92,8 +92,9 @@ static int64_t load_kernel(void) #else big_endian = 0; #endif - kernel_size = load_elf(loaderparams.kernel_filename, cpu_mips_kseg0_to_phys, - NULL, (uint64_t *)&entry, NULL, + kernel_size = load_elf(loaderparams.kernel_filename, NULL, + cpu_mips_kseg0_to_phys, NULL, + (uint64_t *)&entry, NULL, (uint64_t *)&kernel_high, big_endian, EM_MIPS, 1, 0); if (kernel_size >= 0) { diff --git a/hw/moxie/moxiesim.c b/hw/moxie/moxiesim.c index c6b6f7262d..eddeed915d 100644 --- a/hw/moxie/moxiesim.c +++ b/hw/moxie/moxiesim.c @@ -57,7 +57,7 @@ static void load_kernel(MoxieCPU *cpu, LoaderParams *loader_params) long kernel_size; ram_addr_t initrd_offset; - kernel_size = load_elf(loader_params->kernel_filename, NULL, NULL, + kernel_size = load_elf(loader_params->kernel_filename, NULL, NULL, NULL, &entry, &kernel_low, &kernel_high, 1, EM_MOXIE, 0, 0); diff --git a/hw/nios2/boot.c b/hw/nios2/boot.c index ed5cb28e94..5f0ab2fbb9 100644 --- a/hw/nios2/boot.c +++ b/hw/nios2/boot.c @@ -146,13 +146,14 @@ void nios2_load_kernel(Nios2CPU *cpu, hwaddr ddr_base, #endif /* Boots a kernel elf binary. */ - kernel_size = load_elf(kernel_filename, NULL, NULL, + kernel_size = load_elf(kernel_filename, NULL, NULL, NULL, &entry, &low, &high, big_endian, EM_ALTERA_NIOS2, 0, 0); base32 = entry; if (base32 == 0xc0000000) { - kernel_size = load_elf(kernel_filename, translate_kernel_address, - NULL, &entry, NULL, NULL, + kernel_size = load_elf(kernel_filename, NULL, + translate_kernel_address, NULL, + &entry, NULL, NULL, big_endian, EM_ALTERA_NIOS2, 0, 0); } diff --git a/hw/openrisc/openrisc_sim.c b/hw/openrisc/openrisc_sim.c index a495a84a41..7d3b734d24 100644 --- a/hw/openrisc/openrisc_sim.c +++ b/hw/openrisc/openrisc_sim.c @@ -96,7 +96,7 @@ static void openrisc_load_kernel(ram_addr_t ram_size, hwaddr entry; if (kernel_filename && !qtest_enabled()) { - kernel_size = load_elf(kernel_filename, NULL, NULL, + kernel_size = load_elf(kernel_filename, NULL, NULL, NULL, &elf_entry, NULL, NULL, 1, EM_OPENRISC, 1, 0); entry = elf_entry; diff --git a/hw/pci-host/prep.c b/hw/pci-host/prep.c index b1b6b16bad..8b9e1fd0d3 100644 --- a/hw/pci-host/prep.c +++ b/hw/pci-host/prep.c @@ -331,7 +331,7 @@ static void raven_realize(PCIDevice *d, Error **errp) filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, s->bios_name); if (filename) { if (s->elf_machine != EM_NONE) { - bios_size = load_elf(filename, NULL, NULL, NULL, + bios_size = load_elf(filename, NULL, NULL, NULL, NULL, NULL, NULL, 1, s->elf_machine, 0, 0); } if (bios_size < 0) { diff --git a/hw/ppc/e500.c b/hw/ppc/e500.c index 0581e9e3d4..7553f674c9 100644 --- a/hw/ppc/e500.c +++ b/hw/ppc/e500.c @@ -988,7 +988,8 @@ void ppce500_init(MachineState *machine) filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, payload_name); - payload_size = load_elf(filename, NULL, NULL, &bios_entry, &loadaddr, NULL, + payload_size = load_elf(filename, NULL, NULL, NULL, + &bios_entry, &loadaddr, NULL, 1, PPC_ELF_MACHINE, 0, 0); if (payload_size < 0) { /* diff --git a/hw/ppc/mac_newworld.c b/hw/ppc/mac_newworld.c index f1c8400efd..10be728c37 100644 --- a/hw/ppc/mac_newworld.c +++ b/hw/ppc/mac_newworld.c @@ -164,7 +164,7 @@ static void ppc_core99_init(MachineState *machine) /* Load OpenBIOS (ELF) */ if (filename) { - bios_size = load_elf(filename, NULL, NULL, NULL, + bios_size = load_elf(filename, NULL, NULL, NULL, NULL, NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0); g_free(filename); @@ -187,7 +187,8 @@ static void ppc_core99_init(MachineState *machine) #endif kernel_base = KERNEL_LOAD_ADDR; - kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL, + kernel_size = load_elf(kernel_filename, NULL, + translate_kernel_address, NULL, NULL, &lowaddr, NULL, 1, PPC_ELF_MACHINE, 0, 0); if (kernel_size < 0) diff --git a/hw/ppc/mac_oldworld.c b/hw/ppc/mac_oldworld.c index 98d531d114..284431ddd6 100644 --- a/hw/ppc/mac_oldworld.c +++ b/hw/ppc/mac_oldworld.c @@ -139,7 +139,7 @@ static void ppc_heathrow_init(MachineState *machine) /* Load OpenBIOS (ELF) */ if (filename) { - bios_size = load_elf(filename, 0, NULL, NULL, NULL, NULL, + bios_size = load_elf(filename, NULL, 0, NULL, NULL, NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0); g_free(filename); } else { @@ -160,7 +160,8 @@ static void ppc_heathrow_init(MachineState *machine) bswap_needed = 0; #endif kernel_base = KERNEL_LOAD_ADDR; - kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL, + kernel_size = load_elf(kernel_filename, NULL, + translate_kernel_address, NULL, NULL, &lowaddr, NULL, 1, PPC_ELF_MACHINE, 0, 0); if (kernel_size < 0) diff --git a/hw/ppc/ppc440_bamboo.c b/hw/ppc/ppc440_bamboo.c index 4b547eaf77..b4da099e3e 100644 --- a/hw/ppc/ppc440_bamboo.c +++ b/hw/ppc/ppc440_bamboo.c @@ -256,7 +256,7 @@ static void bamboo_init(MachineState *machine) success = load_uimage(kernel_filename, &entry, &loadaddr, NULL, NULL, NULL); if (success < 0) { - success = load_elf(kernel_filename, NULL, NULL, &elf_entry, + success = load_elf(kernel_filename, NULL, NULL, NULL, &elf_entry, &elf_lowaddr, NULL, 1, PPC_ELF_MACHINE, 0, 0); entry = elf_entry; diff --git a/hw/ppc/sam460ex.c b/hw/ppc/sam460ex.c index 202ed14bcf..75250d49e4 100644 --- a/hw/ppc/sam460ex.c +++ b/hw/ppc/sam460ex.c @@ -426,7 +426,8 @@ static void sam460ex_init(MachineState *machine) if (success < 0) { uint64_t elf_entry, elf_lowaddr; - success = load_elf(machine->kernel_filename, NULL, NULL, &elf_entry, + success = load_elf(machine->kernel_filename, NULL, + NULL, NULL, &elf_entry, &elf_lowaddr, NULL, 1, PPC_ELF_MACHINE, 0, 0); entry = elf_entry; loadaddr = elf_lowaddr; diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 0fcdd35cbe..332cba89d4 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -2851,11 +2851,12 @@ static void spapr_machine_init(MachineState *machine) if (kernel_filename) { uint64_t lowaddr = 0; - spapr->kernel_size = load_elf(kernel_filename, translate_kernel_address, - NULL, NULL, &lowaddr, NULL, 1, + spapr->kernel_size = load_elf(kernel_filename, NULL, + translate_kernel_address, NULL, + NULL, &lowaddr, NULL, 1, PPC_ELF_MACHINE, 0, 0); if (spapr->kernel_size == ELF_LOAD_WRONG_ENDIAN) { - spapr->kernel_size = load_elf(kernel_filename, + spapr->kernel_size = load_elf(kernel_filename, NULL, translate_kernel_address, NULL, NULL, &lowaddr, NULL, 0, PPC_ELF_MACHINE, 0, 0); diff --git a/hw/ppc/virtex_ml507.c b/hw/ppc/virtex_ml507.c index 5177120574..5a711cb3d9 100644 --- a/hw/ppc/virtex_ml507.c +++ b/hw/ppc/virtex_ml507.c @@ -258,7 +258,7 @@ static void virtex_init(MachineState *machine) hwaddr boot_offset; /* Boots a kernel elf binary. */ - kernel_size = load_elf(kernel_filename, NULL, NULL, + kernel_size = load_elf(kernel_filename, NULL, NULL, NULL, &entry, &low, &high, 1, PPC_ELF_MACHINE, 0, 0); boot_info.bootstrap_pc = entry & 0x00ffffff; diff --git a/hw/riscv/sifive_e.c b/hw/riscv/sifive_e.c index 5d9d65ff29..bfc086609c 100644 --- a/hw/riscv/sifive_e.c +++ b/hw/riscv/sifive_e.c @@ -78,7 +78,7 @@ static uint64_t load_kernel(const char *kernel_filename) { uint64_t kernel_entry, kernel_high; - if (load_elf(kernel_filename, NULL, NULL, + if (load_elf(kernel_filename, NULL, NULL, NULL, &kernel_entry, NULL, &kernel_high, 0, EM_RISCV, 1, 0) < 0) { error_report("could not load kernel '%s'", kernel_filename); diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c index 3bd3b67507..2730b25b60 100644 --- a/hw/riscv/sifive_u.c +++ b/hw/riscv/sifive_u.c @@ -69,7 +69,7 @@ static uint64_t load_kernel(const char *kernel_filename) { uint64_t kernel_entry, kernel_high; - if (load_elf(kernel_filename, NULL, NULL, + if (load_elf(kernel_filename, NULL, NULL, NULL, &kernel_entry, NULL, &kernel_high, 0, EM_RISCV, 1, 0) < 0) { error_report("could not load kernel '%s'", kernel_filename); diff --git a/hw/riscv/spike.c b/hw/riscv/spike.c index 268df04c3c..c66ffc50cc 100644 --- a/hw/riscv/spike.c +++ b/hw/riscv/spike.c @@ -57,7 +57,7 @@ static uint64_t load_kernel(const char *kernel_filename) { uint64_t kernel_entry, kernel_high; - if (load_elf_ram_sym(kernel_filename, NULL, NULL, + if (load_elf_ram_sym(kernel_filename, NULL, NULL, NULL, &kernel_entry, NULL, &kernel_high, 0, EM_RISCV, 1, 0, NULL, true, htif_symbol_callback) < 0) { error_report("could not load kernel '%s'", kernel_filename); diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index e7f0716fb6..3e8b19c668 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -66,7 +66,7 @@ static uint64_t load_kernel(const char *kernel_filename) { uint64_t kernel_entry, kernel_high; - if (load_elf(kernel_filename, NULL, NULL, + if (load_elf(kernel_filename, NULL, NULL, NULL, &kernel_entry, NULL, &kernel_high, 0, EM_RISCV, 1, 0) < 0) { error_report("could not load kernel '%s'", kernel_filename); diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c index 21f64ad26a..896888bf8f 100644 --- a/hw/s390x/ipl.c +++ b/hw/s390x/ipl.c @@ -131,7 +131,8 @@ static void s390_ipl_realize(DeviceState *dev, Error **errp) goto error; } - bios_size = load_elf(bios_filename, bios_translate_addr, &fwbase, + bios_size = load_elf(bios_filename, NULL, + bios_translate_addr, &fwbase, &ipl->bios_start_addr, NULL, NULL, 1, EM_S390, 0, 0); if (bios_size > 0) { @@ -155,7 +156,8 @@ static void s390_ipl_realize(DeviceState *dev, Error **errp) } if (ipl->kernel) { - kernel_size = load_elf(ipl->kernel, NULL, NULL, &pentry, NULL, + kernel_size = load_elf(ipl->kernel, NULL, NULL, NULL, + &pentry, NULL, NULL, 1, EM_S390, 0, 0); if (kernel_size < 0) { kernel_size = load_image_targphys(ipl->kernel, 0, ram_size); @@ -436,7 +438,8 @@ static int load_netboot_image(Error **errp) goto unref_mr; } - img_size = load_elf_ram(netboot_filename, NULL, NULL, &ipl->start_addr, + img_size = load_elf_ram(netboot_filename, NULL, NULL, NULL, + &ipl->start_addr, NULL, NULL, 1, EM_S390, 0, 0, NULL, false); if (img_size < 0) { diff --git a/hw/sparc/leon3.c b/hw/sparc/leon3.c index fa98ab8177..774639af33 100644 --- a/hw/sparc/leon3.c +++ b/hw/sparc/leon3.c @@ -190,7 +190,8 @@ static void leon3_generic_hw_init(MachineState *machine) long kernel_size; uint64_t entry; - kernel_size = load_elf(kernel_filename, NULL, NULL, &entry, NULL, NULL, + kernel_size = load_elf(kernel_filename, NULL, NULL, NULL, + &entry, NULL, NULL, 1 /* big endian */, EM_SPARC, 0, 0); if (kernel_size < 0) { error_report("could not load kernel '%s'", kernel_filename); diff --git a/hw/sparc/sun4m.c b/hw/sparc/sun4m.c index 709ee37e08..779f3f97d5 100644 --- a/hw/sparc/sun4m.c +++ b/hw/sparc/sun4m.c @@ -242,7 +242,8 @@ static unsigned long sun4m_load_kernel(const char *kernel_filename, #else bswap_needed = 0; #endif - kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL, + kernel_size = load_elf(kernel_filename, NULL, + translate_kernel_address, NULL, NULL, NULL, NULL, 1, EM_SPARC, 0, 0); if (kernel_size < 0) kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR, @@ -692,7 +693,8 @@ static void prom_init(hwaddr addr, const char *bios_name) } filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); if (filename) { - ret = load_elf(filename, translate_prom_address, &addr, NULL, + ret = load_elf(filename, NULL, + translate_prom_address, &addr, NULL, NULL, NULL, 1, EM_SPARC, 0, 0); if (ret < 0 || ret > PROM_SIZE_MAX) { ret = load_image_targphys(filename, addr, PROM_SIZE_MAX); diff --git a/hw/sparc64/sun4u.c b/hw/sparc64/sun4u.c index f76b19e4e9..b9bd4be5d5 100644 --- a/hw/sparc64/sun4u.c +++ b/hw/sparc64/sun4u.c @@ -153,7 +153,7 @@ static uint64_t sun4u_load_kernel(const char *kernel_filename, #else bswap_needed = 0; #endif - kernel_size = load_elf(kernel_filename, NULL, NULL, kernel_entry, + kernel_size = load_elf(kernel_filename, NULL, NULL, NULL, kernel_entry, kernel_addr, &kernel_top, 1, EM_SPARCV9, 0, 0); if (kernel_size < 0) { *kernel_addr = KERNEL_LOAD_ADDR; @@ -411,7 +411,7 @@ static void prom_init(hwaddr addr, const char *bios_name) } filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); if (filename) { - ret = load_elf(filename, translate_prom_address, &addr, + ret = load_elf(filename, NULL, translate_prom_address, &addr, NULL, NULL, NULL, 1, EM_SPARCV9, 0, 0); if (ret < 0 || ret > PROM_SIZE_MAX) { ret = load_image_targphys(filename, addr, PROM_SIZE_MAX); diff --git a/hw/tricore/tricore_testboard.c b/hw/tricore/tricore_testboard.c index a58096f05e..003592af27 100644 --- a/hw/tricore/tricore_testboard.c +++ b/hw/tricore/tricore_testboard.c @@ -45,7 +45,7 @@ static void tricore_load_kernel(CPUTriCoreState *env) long kernel_size; kernel_size = load_elf(tricoretb_binfo.kernel_filename, NULL, - NULL, &entry, NULL, + NULL, NULL, &entry, NULL, NULL, 0, EM_TRICORE, 1, 0); if (kernel_size <= 0) { diff --git a/hw/xtensa/sim.c b/hw/xtensa/sim.c index b6ccb3cd4a..12c7437398 100644 --- a/hw/xtensa/sim.c +++ b/hw/xtensa/sim.c @@ -97,11 +97,15 @@ static void xtensa_sim_init(MachineState *machine) uint64_t elf_entry; uint64_t elf_lowaddr; #ifdef TARGET_WORDS_BIGENDIAN - int success = load_elf(kernel_filename, translate_phys_addr, cpu, - &elf_entry, &elf_lowaddr, NULL, 1, EM_XTENSA, 0, 0); + int success = load_elf(kernel_filename, NULL, + translate_phys_addr, cpu, + &elf_entry, &elf_lowaddr, + NULL, 1, EM_XTENSA, 0, 0); #else - int success = load_elf(kernel_filename, translate_phys_addr, cpu, - &elf_entry, &elf_lowaddr, NULL, 0, EM_XTENSA, 0, 0); + int success = load_elf(kernel_filename, NULL, + translate_phys_addr, cpu, + &elf_entry, &elf_lowaddr, + NULL, 0, EM_XTENSA, 0, 0); #endif if (success > 0) { env->pc = elf_entry; diff --git a/hw/xtensa/xtfpga.c b/hw/xtensa/xtfpga.c index 1d21162a27..ab3e52b415 100644 --- a/hw/xtensa/xtfpga.c +++ b/hw/xtensa/xtfpga.c @@ -409,7 +409,7 @@ static void xtfpga_init(const XtfpgaBoardDesc *board, MachineState *machine) uint64_t elf_entry; uint64_t elf_lowaddr; - int success = load_elf(kernel_filename, translate_phys_addr, cpu, + int success = load_elf(kernel_filename, NULL, translate_phys_addr, cpu, &elf_entry, &elf_lowaddr, NULL, be, EM_XTENSA, 0, 0); if (success > 0) { entry_point = elf_entry; diff --git a/include/hw/elf_ops.h b/include/hw/elf_ops.h index e2cb675195..3438d6f69e 100644 --- a/include/hw/elf_ops.h +++ b/include/hw/elf_ops.h @@ -266,6 +266,7 @@ fail: } static int glue(load_elf, SZ)(const char *name, int fd, + uint64_t (*elf_note_fn)(void *, void *, bool), uint64_t (*translate_fn)(void *, uint64_t), void *translate_opaque, int must_swab, uint64_t *pentry, @@ -498,6 +499,7 @@ static int glue(load_elf, SZ)(const char *name, int fd, data = NULL; } } + g_free(phdr); if (lowaddr) *lowaddr = (uint64_t)(elf_sword)low; diff --git a/include/hw/loader.h b/include/hw/loader.h index de8a29603b..3e1b3a4566 100644 --- a/include/hw/loader.h +++ b/include/hw/loader.h @@ -93,6 +93,8 @@ const char *load_elf_strerror(int error); /** load_elf_ram_sym: * @filename: Path of ELF file + * @elf_note_fn: optional function to parse ELF Note type + * passed via @translate_opaque * @translate_fn: optional function to translate load addresses * @translate_opaque: opaque data passed to @translate_fn * @pentry: Populated with program entry point. Ignored if NULL. @@ -125,6 +127,7 @@ typedef void (*symbol_fn_t)(const char *st_name, int st_info, uint64_t st_value, uint64_t st_size); int load_elf_ram_sym(const char *filename, + uint64_t (*elf_note_fn)(void *, void *, bool), uint64_t (*translate_fn)(void *, uint64_t), void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr, uint64_t *highaddr, int big_endian, @@ -136,6 +139,7 @@ int load_elf_ram_sym(const char *filename, * symbol callback function */ int load_elf_ram(const char *filename, + uint64_t (*elf_note_fn)(void *, void *, bool), uint64_t (*translate_fn)(void *, uint64_t), void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr, uint64_t *highaddr, int big_endian, int elf_machine, @@ -146,6 +150,7 @@ int load_elf_ram(const char *filename, * Same as load_elf_ram(), but always loads the elf as ROM */ int load_elf_as(const char *filename, + uint64_t (*elf_note_fn)(void *, void *, bool), uint64_t (*translate_fn)(void *, uint64_t), void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr, uint64_t *highaddr, int big_endian, int elf_machine, @@ -155,7 +160,9 @@ int load_elf_as(const char *filename, * Same as load_elf_as(), but doesn't allow the caller to specify an * AddressSpace. */ -int load_elf(const char *filename, uint64_t (*translate_fn)(void *, uint64_t), +int load_elf(const char *filename, + uint64_t (*elf_note_fn)(void *, void *, bool), + uint64_t (*translate_fn)(void *, uint64_t), void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr, uint64_t *highaddr, int big_endian, int elf_machine, int clear_lsb, int data_swab);