From 542ca4349878a2ea3818aea5c448a6db567da3ae Mon Sep 17 00:00:00 2001 From: Laurent Vivier Date: Tue, 20 Feb 2018 18:33:04 +0100 Subject: [PATCH 1/4] linux-user: Move CPU type name selection to a function MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Instead of a sequence of "#if ... #endif" move the selection to a function in linux-user/*/target_elf.h We can't add them in linux-user/*/target_cpu.h because we will need to include "elf.h" to use ELF flags with eflags, and including "elf.h" in "target_cpu.h" introduces some conflicts in elfload.c Suggested-by: Richard Henderson Signed-off-by: Laurent Vivier Reviewed-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé Message-Id: <20180220173307.25125-2-laurent@vivier.eu> --- linux-user/aarch64/target_elf.h | 14 ++++++++++ linux-user/alpha/target_elf.h | 14 ++++++++++ linux-user/arm/target_elf.h | 14 ++++++++++ linux-user/cris/target_elf.h | 14 ++++++++++ linux-user/hppa/target_elf.h | 14 ++++++++++ linux-user/i386/target_elf.h | 14 ++++++++++ linux-user/m68k/target_elf.h | 14 ++++++++++ linux-user/main.c | 41 ++---------------------------- linux-user/microblaze/target_elf.h | 14 ++++++++++ linux-user/mips/target_elf.h | 14 ++++++++++ linux-user/mips64/target_elf.h | 14 ++++++++++ linux-user/nios2/target_elf.h | 14 ++++++++++ linux-user/openrisc/target_elf.h | 14 ++++++++++ linux-user/ppc/target_elf.h | 18 +++++++++++++ linux-user/s390x/target_elf.h | 14 ++++++++++ linux-user/sh4/target_elf.h | 14 ++++++++++ linux-user/sparc/target_elf.h | 18 +++++++++++++ linux-user/sparc64/target_elf.h | 14 ++++++++++ linux-user/tilegx/target_elf.h | 14 ++++++++++ linux-user/unicore32/target_elf.h | 14 ++++++++++ linux-user/x86_64/target_elf.h | 14 ++++++++++ 21 files changed, 290 insertions(+), 39 deletions(-) create mode 100644 linux-user/aarch64/target_elf.h create mode 100644 linux-user/alpha/target_elf.h create mode 100644 linux-user/arm/target_elf.h create mode 100644 linux-user/cris/target_elf.h create mode 100644 linux-user/hppa/target_elf.h create mode 100644 linux-user/i386/target_elf.h create mode 100644 linux-user/m68k/target_elf.h create mode 100644 linux-user/microblaze/target_elf.h create mode 100644 linux-user/mips/target_elf.h create mode 100644 linux-user/mips64/target_elf.h create mode 100644 linux-user/nios2/target_elf.h create mode 100644 linux-user/openrisc/target_elf.h create mode 100644 linux-user/ppc/target_elf.h create mode 100644 linux-user/s390x/target_elf.h create mode 100644 linux-user/sh4/target_elf.h create mode 100644 linux-user/sparc/target_elf.h create mode 100644 linux-user/sparc64/target_elf.h create mode 100644 linux-user/tilegx/target_elf.h create mode 100644 linux-user/unicore32/target_elf.h create mode 100644 linux-user/x86_64/target_elf.h diff --git a/linux-user/aarch64/target_elf.h b/linux-user/aarch64/target_elf.h new file mode 100644 index 0000000000..a7eb962fba --- /dev/null +++ b/linux-user/aarch64/target_elf.h @@ -0,0 +1,14 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation, or (at your option) any + * later version. See the COPYING file in the top-level directory. + */ + +#ifndef AARCH64_TARGET_ELF_H +#define AARCH64_TARGET_ELF_H +static inline const char *cpu_get_model(uint32_t eflags) +{ + return "any"; +} +#endif diff --git a/linux-user/alpha/target_elf.h b/linux-user/alpha/target_elf.h new file mode 100644 index 0000000000..344e9f4d39 --- /dev/null +++ b/linux-user/alpha/target_elf.h @@ -0,0 +1,14 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation, or (at your option) any + * later version. See the COPYING file in the top-level directory. + */ + +#ifndef ALPHA_TARGET_ELF_H +#define ALPHA_TARGET_ELF_H +static inline const char *cpu_get_model(uint32_t eflags) +{ + return "any"; +} +#endif diff --git a/linux-user/arm/target_elf.h b/linux-user/arm/target_elf.h new file mode 100644 index 0000000000..58ff6a0986 --- /dev/null +++ b/linux-user/arm/target_elf.h @@ -0,0 +1,14 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation, or (at your option) any + * later version. See the COPYING file in the top-level directory. + */ + +#ifndef ARM_TARGET_ELF_H +#define ARM_TARGET_ELF_H +static inline const char *cpu_get_model(uint32_t eflags) +{ + return "any"; +} +#endif diff --git a/linux-user/cris/target_elf.h b/linux-user/cris/target_elf.h new file mode 100644 index 0000000000..99eb4ec704 --- /dev/null +++ b/linux-user/cris/target_elf.h @@ -0,0 +1,14 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation, or (at your option) any + * later version. See the COPYING file in the top-level directory. + */ + +#ifndef CRIS_TARGET_ELF_H +#define CRIS_TARGET_ELF_H +static inline const char *cpu_get_model(uint32_t eflags) +{ + return "any"; +} +#endif diff --git a/linux-user/hppa/target_elf.h b/linux-user/hppa/target_elf.h new file mode 100644 index 0000000000..82b4e9535e --- /dev/null +++ b/linux-user/hppa/target_elf.h @@ -0,0 +1,14 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation, or (at your option) any + * later version. See the COPYING file in the top-level directory. + */ + +#ifndef HPPA_TARGET_ELF_H +#define HPPA_TARGET_ELF_H +static inline const char *cpu_get_model(uint32_t eflags) +{ + return "any"; +} +#endif diff --git a/linux-user/i386/target_elf.h b/linux-user/i386/target_elf.h new file mode 100644 index 0000000000..1c6142e7da --- /dev/null +++ b/linux-user/i386/target_elf.h @@ -0,0 +1,14 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation, or (at your option) any + * later version. See the COPYING file in the top-level directory. + */ + +#ifndef I386_TARGET_ELF_H +#define I386_TARGET_ELF_H +static inline const char *cpu_get_model(uint32_t eflags) +{ + return "qemu32"; +} +#endif diff --git a/linux-user/m68k/target_elf.h b/linux-user/m68k/target_elf.h new file mode 100644 index 0000000000..df375ad5d3 --- /dev/null +++ b/linux-user/m68k/target_elf.h @@ -0,0 +1,14 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation, or (at your option) any + * later version. See the COPYING file in the top-level directory. + */ + +#ifndef M68K_TARGET_ELF_H +#define M68K_TARGET_ELF_H +static inline const char *cpu_get_model(uint32_t eflags) +{ + return "any"; +} +#endif diff --git a/linux-user/main.c b/linux-user/main.c index fd7900628b..079b98235b 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -35,6 +35,7 @@ #include "elf.h" #include "exec/log.h" #include "trace/control.h" +#include "target_elf.h" char *exec_path; @@ -4344,45 +4345,7 @@ int main(int argc, char **argv, char **envp) init_qemu_uname_release(); if (cpu_model == NULL) { -#if defined(TARGET_I386) -#ifdef TARGET_X86_64 - cpu_model = "qemu64"; -#else - cpu_model = "qemu32"; -#endif -#elif defined(TARGET_ARM) - cpu_model = "any"; -#elif defined(TARGET_UNICORE32) - cpu_model = "any"; -#elif defined(TARGET_M68K) - cpu_model = "any"; -#elif defined(TARGET_SPARC) -#ifdef TARGET_SPARC64 - cpu_model = "TI UltraSparc II"; -#else - cpu_model = "Fujitsu MB86904"; -#endif -#elif defined(TARGET_MIPS) -#if defined(TARGET_ABI_MIPSN32) || defined(TARGET_ABI_MIPSN64) - cpu_model = "5KEf"; -#else - cpu_model = "24Kf"; -#endif -#elif defined TARGET_OPENRISC - cpu_model = "or1200"; -#elif defined(TARGET_PPC) -# ifdef TARGET_PPC64 - cpu_model = "POWER8"; -# else - cpu_model = "750"; -# endif -#elif defined TARGET_SH4 - cpu_model = "sh7785"; -#elif defined TARGET_S390X - cpu_model = "qemu"; -#else - cpu_model = "any"; -#endif + cpu_model = cpu_get_model(0); } tcg_exec_init(0); /* NOTE: we need to init the CPU at this stage to get diff --git a/linux-user/microblaze/target_elf.h b/linux-user/microblaze/target_elf.h new file mode 100644 index 0000000000..8a8f1debff --- /dev/null +++ b/linux-user/microblaze/target_elf.h @@ -0,0 +1,14 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation, or (at your option) any + * later version. See the COPYING file in the top-level directory. + */ + +#ifndef MICROBLAZE_TARGET_ELF_H +#define MICROBLAZE_TARGET_ELF_H +static inline const char *cpu_get_model(uint32_t eflags) +{ + return "any"; +} +#endif diff --git a/linux-user/mips/target_elf.h b/linux-user/mips/target_elf.h new file mode 100644 index 0000000000..bed0b43259 --- /dev/null +++ b/linux-user/mips/target_elf.h @@ -0,0 +1,14 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation, or (at your option) any + * later version. See the COPYING file in the top-level directory. + */ + +#ifndef MIPS_TARGET_ELF_H +#define MIPS_TARGET_ELF_H +static inline const char *cpu_get_model(uint32_t eflags) +{ + return "24Kf"; +} +#endif diff --git a/linux-user/mips64/target_elf.h b/linux-user/mips64/target_elf.h new file mode 100644 index 0000000000..5b6f4692e0 --- /dev/null +++ b/linux-user/mips64/target_elf.h @@ -0,0 +1,14 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation, or (at your option) any + * later version. See the COPYING file in the top-level directory. + */ + +#ifndef MIPS64_TARGET_ELF_H +#define MIPS64_TARGET_ELF_H +static inline const char *cpu_get_model(uint32_t eflags) +{ + return "5KEf"; +} +#endif diff --git a/linux-user/nios2/target_elf.h b/linux-user/nios2/target_elf.h new file mode 100644 index 0000000000..801e20afaf --- /dev/null +++ b/linux-user/nios2/target_elf.h @@ -0,0 +1,14 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation, or (at your option) any + * later version. See the COPYING file in the top-level directory. + */ + +#ifndef NIOS2_TARGET_ELF_H +#define NIOS2_TARGET_ELF_H +static inline const char *cpu_get_model(uint32_t eflags) +{ + return "any"; +} +#endif diff --git a/linux-user/openrisc/target_elf.h b/linux-user/openrisc/target_elf.h new file mode 100644 index 0000000000..40ceb025c9 --- /dev/null +++ b/linux-user/openrisc/target_elf.h @@ -0,0 +1,14 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation, or (at your option) any + * later version. See the COPYING file in the top-level directory. + */ + +#ifndef OPENRISC_TARGET_ELF_H +#define OPENRISC_TARGET_ELF_H +static inline const char *cpu_get_model(uint32_t eflags) +{ + return "or1200"; +} +#endif diff --git a/linux-user/ppc/target_elf.h b/linux-user/ppc/target_elf.h new file mode 100644 index 0000000000..576a5b9959 --- /dev/null +++ b/linux-user/ppc/target_elf.h @@ -0,0 +1,18 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation, or (at your option) any + * later version. See the COPYING file in the top-level directory. + */ + +#ifndef PPC_TARGET_ELF_H +#define PPC_TARGET_ELF_H +static inline const char *cpu_get_model(uint32_t eflags) +{ +#ifdef TARGET_PPC64 + return "POWER8"; +#else + return "750"; +#endif +} +#endif diff --git a/linux-user/s390x/target_elf.h b/linux-user/s390x/target_elf.h new file mode 100644 index 0000000000..8114b59c1d --- /dev/null +++ b/linux-user/s390x/target_elf.h @@ -0,0 +1,14 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation, or (at your option) any + * later version. See the COPYING file in the top-level directory. + */ + +#ifndef S390X_TARGET_ELF_H +#define S390X_TARGET_ELF_H +static inline const char *cpu_get_model(uint32_t eflags) +{ + return "qemu"; +} +#endif diff --git a/linux-user/sh4/target_elf.h b/linux-user/sh4/target_elf.h new file mode 100644 index 0000000000..f485e0cef2 --- /dev/null +++ b/linux-user/sh4/target_elf.h @@ -0,0 +1,14 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation, or (at your option) any + * later version. See the COPYING file in the top-level directory. + */ + +#ifndef SH4_TARGET_ELF_H +#define SH4_TARGET_ELF_H +static inline const char *cpu_get_model(uint32_t eflags) +{ + return "sh7785"; +} +#endif diff --git a/linux-user/sparc/target_elf.h b/linux-user/sparc/target_elf.h new file mode 100644 index 0000000000..a510ceb612 --- /dev/null +++ b/linux-user/sparc/target_elf.h @@ -0,0 +1,18 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation, or (at your option) any + * later version. See the COPYING file in the top-level directory. + */ + +#ifndef SPARC_TARGET_ELF_H +#define SPARC_TARGET_ELF_H +static inline const char *cpu_get_model(uint32_t eflags) +{ +#ifdef TARGET_SPARC64 + return "TI UltraSparc II"; +#else + return "Fujitsu MB86904"; +#endif +} +#endif diff --git a/linux-user/sparc64/target_elf.h b/linux-user/sparc64/target_elf.h new file mode 100644 index 0000000000..d6e388f1cf --- /dev/null +++ b/linux-user/sparc64/target_elf.h @@ -0,0 +1,14 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation, or (at your option) any + * later version. See the COPYING file in the top-level directory. + */ + +#ifndef SPARC64_TARGET_ELF_H +#define SPARC64_TARGET_ELF_H +static inline const char *cpu_get_model(uint32_t eflags) +{ + return "TI UltraSparc II"; +} +#endif diff --git a/linux-user/tilegx/target_elf.h b/linux-user/tilegx/target_elf.h new file mode 100644 index 0000000000..7197bb0005 --- /dev/null +++ b/linux-user/tilegx/target_elf.h @@ -0,0 +1,14 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation, or (at your option) any + * later version. See the COPYING file in the top-level directory. + */ + +#ifndef TILEGX_TARGET_ELF_H +#define TILEGX_TARGET_ELF_H +static inline const char *cpu_get_model(uint32_t eflags) +{ + return "any"; +} +#endif diff --git a/linux-user/unicore32/target_elf.h b/linux-user/unicore32/target_elf.h new file mode 100644 index 0000000000..e2bfcb2ca3 --- /dev/null +++ b/linux-user/unicore32/target_elf.h @@ -0,0 +1,14 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation, or (at your option) any + * later version. See the COPYING file in the top-level directory. + */ + +#ifndef UNICORE32_TARGET_ELF_H +#define UNICORE32_TARGET_ELF_H +static inline const char *cpu_get_model(uint32_t eflags) +{ + return "any"; +} +#endif diff --git a/linux-user/x86_64/target_elf.h b/linux-user/x86_64/target_elf.h new file mode 100644 index 0000000000..7b76a90de8 --- /dev/null +++ b/linux-user/x86_64/target_elf.h @@ -0,0 +1,14 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation, or (at your option) any + * later version. See the COPYING file in the top-level directory. + */ + +#ifndef X86_64_TARGET_ELF_H +#define X86_64_TARGET_ELF_H +static inline const char *cpu_get_model(uint32_t eflags) +{ + return "qemu64"; +} +#endif From 768fe76e92477870ab14399dbc6bb8d801621c5c Mon Sep 17 00:00:00 2001 From: YunQiang Su Date: Tue, 20 Feb 2018 18:33:05 +0100 Subject: [PATCH 2/4] linux-user: introduce functions to detect CPU type Add a function to return ELF e_flags and use it to select the CPU model. Signed-off-by: YunQiang Su [lv: split the patch and some cleanup in get_elf_eflags()] Signed-off-by: Laurent Vivier Reviewed-by: Richard Henderson Message-Id: <20180220173307.25125-3-laurent@vivier.eu> --- linux-user/elfload.c | 35 +++++++++++++++++++++++++++++++++++ linux-user/main.c | 20 ++++++++++---------- linux-user/qemu.h | 1 + 3 files changed, 46 insertions(+), 10 deletions(-) diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 8bb9a2c3e8..0208022445 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -2396,6 +2396,41 @@ give_up: g_free(syms); } +uint32_t get_elf_eflags(int fd) +{ + struct elfhdr ehdr; + off_t offset; + int ret; + + /* Read ELF header */ + offset = lseek(fd, 0, SEEK_SET); + if (offset == (off_t) -1) { + return 0; + } + ret = read(fd, &ehdr, sizeof(ehdr)); + if (ret < sizeof(ehdr)) { + return 0; + } + offset = lseek(fd, offset, SEEK_SET); + if (offset == (off_t) -1) { + return 0; + } + + /* Check ELF signature */ + if (!elf_check_ident(&ehdr)) { + return 0; + } + + /* check header */ + bswap_ehdr(&ehdr); + if (!elf_check_ehdr(&ehdr)) { + return 0; + } + + /* return architecture id */ + return ehdr.e_flags; +} + int load_elf_binary(struct linux_binprm *bprm, struct image_info *info) { struct image_info interp_info; diff --git a/linux-user/main.c b/linux-user/main.c index 079b98235b..bbeb78fb89 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -4344,8 +4344,17 @@ int main(int argc, char **argv, char **envp) init_qemu_uname_release(); + execfd = qemu_getauxval(AT_EXECFD); + if (execfd == 0) { + execfd = open(filename, O_RDONLY); + if (execfd < 0) { + printf("Error while loading %s: %s\n", filename, strerror(errno)); + _exit(EXIT_FAILURE); + } + } + if (cpu_model == NULL) { - cpu_model = cpu_get_model(0); + cpu_model = cpu_get_model(get_elf_eflags(execfd)); } tcg_exec_init(0); /* NOTE: we need to init the CPU at this stage to get @@ -4438,15 +4447,6 @@ int main(int argc, char **argv, char **envp) cpu->opaque = ts; task_settid(ts); - execfd = qemu_getauxval(AT_EXECFD); - if (execfd == 0) { - execfd = open(filename, O_RDONLY); - if (execfd < 0) { - printf("Error while loading %s: %s\n", filename, strerror(errno)); - _exit(EXIT_FAILURE); - } - } - ret = loader_exec(execfd, filename, target_argv, target_environ, regs, info, &bprm); if (ret != 0) { diff --git a/linux-user/qemu.h b/linux-user/qemu.h index bc4bf35036..f4b4ca72ad 100644 --- a/linux-user/qemu.h +++ b/linux-user/qemu.h @@ -186,6 +186,7 @@ int loader_exec(int fdexec, const char *filename, char **argv, char **envp, struct target_pt_regs * regs, struct image_info *infop, struct linux_binprm *); +uint32_t get_elf_eflags(int fd); int load_elf_binary(struct linux_binprm *bprm, struct image_info *info); int load_flt_binary(struct linux_binprm *bprm, struct image_info *info); From 33dff5ff909c54c6545aa818419caf8802156d55 Mon Sep 17 00:00:00 2001 From: Laurent Vivier Date: Tue, 20 Feb 2018 18:33:06 +0100 Subject: [PATCH 3/4] linux-user, m68k: select CPU according to ELF header values M680x0 doesn't support the same set of instructions as ColdFire, so we can't use "any" CPU type to execute m68020 instructions. We select CPU type ("m68040" or "any" for ColdFire) according to the ELF header. If we can't, we use by default the value used until now: "any". Signed-off-by: Laurent Vivier Reviewed-by: Richard Henderson Message-Id: <20180220173307.25125-4-laurent@vivier.eu> --- include/elf.h | 28 ++++++++++++++++++++++++++++ linux-user/m68k/target_elf.h | 6 ++++++ 2 files changed, 34 insertions(+) diff --git a/include/elf.h b/include/elf.h index e8a515ce3d..ca9a419043 100644 --- a/include/elf.h +++ b/include/elf.h @@ -537,6 +537,34 @@ typedef struct { #define HWCAP_S390_HIGH_GPRS 512 #define HWCAP_S390_TE 1024 +/* M68K specific definitions. */ +/* We use the top 24 bits to encode information about the + architecture variant. */ +#define EF_M68K_CPU32 0x00810000 +#define EF_M68K_M68000 0x01000000 +#define EF_M68K_CFV4E 0x00008000 +#define EF_M68K_FIDO 0x02000000 +#define EF_M68K_ARCH_MASK \ + (EF_M68K_M68000 | EF_M68K_CPU32 | EF_M68K_CFV4E | EF_M68K_FIDO) + +/* We use the bottom 8 bits to encode information about the + coldfire variant. If we use any of these bits, the top 24 bits are + either 0 or EF_M68K_CFV4E. */ +#define EF_M68K_CF_ISA_MASK 0x0F /* Which ISA */ +#define EF_M68K_CF_ISA_A_NODIV 0x01 /* ISA A except for div */ +#define EF_M68K_CF_ISA_A 0x02 +#define EF_M68K_CF_ISA_A_PLUS 0x03 +#define EF_M68K_CF_ISA_B_NOUSP 0x04 /* ISA_B except for USP */ +#define EF_M68K_CF_ISA_B 0x05 +#define EF_M68K_CF_ISA_C 0x06 +#define EF_M68K_CF_ISA_C_NODIV 0x07 /* ISA C except for div */ +#define EF_M68K_CF_MAC_MASK 0x30 +#define EF_M68K_CF_MAC 0x10 /* MAC */ +#define EF_M68K_CF_EMAC 0x20 /* EMAC */ +#define EF_M68K_CF_EMAC_B 0x30 /* EMAC_B */ +#define EF_M68K_CF_FLOAT 0x40 /* Has float insns */ +#define EF_M68K_CF_MASK 0xFF + /* * 68k ELF relocation types */ diff --git a/linux-user/m68k/target_elf.h b/linux-user/m68k/target_elf.h index df375ad5d3..998fe0fe2f 100644 --- a/linux-user/m68k/target_elf.h +++ b/linux-user/m68k/target_elf.h @@ -9,6 +9,12 @@ #define M68K_TARGET_ELF_H static inline const char *cpu_get_model(uint32_t eflags) { + if (eflags == 0 || (eflags & EF_M68K_M68000)) { + /* 680x0 */ + return "m68040"; + } + + /* Coldfire */ return "any"; } #endif From 45506bddba6fe73f61cf15fb682ffff73ce156c0 Mon Sep 17 00:00:00 2001 From: YunQiang Su Date: Tue, 20 Feb 2018 18:33:07 +0100 Subject: [PATCH 4/4] linux-user: MIPS set cpu to r6 CPU if binary is R6 So here we need to detect the version of binaries and set cpu_model for it. Signed-off-by: YunQiang Su [lv: original patch modified to move code into cpu_get_model()] Signed-off-by: Laurent Vivier Reviewed-by: Richard Henderson Message-Id: <20180220173307.25125-5-laurent@vivier.eu> --- include/elf.h | 7 +++++++ linux-user/mips/target_elf.h | 3 +++ linux-user/mips64/target_elf.h | 3 +++ 3 files changed, 13 insertions(+) diff --git a/include/elf.h b/include/elf.h index ca9a419043..943ee21171 100644 --- a/include/elf.h +++ b/include/elf.h @@ -33,6 +33,9 @@ typedef int64_t Elf64_Sxword; /* Flags in the e_flags field of the header */ /* MIPS architecture level. */ +#define EF_MIPS_ARCH 0xf0000000 + +/* Legal values for MIPS architecture level. */ #define EF_MIPS_ARCH_1 0x00000000 /* -mips1 code. */ #define EF_MIPS_ARCH_2 0x10000000 /* -mips2 code. */ #define EF_MIPS_ARCH_3 0x20000000 /* -mips3 code. */ @@ -40,6 +43,10 @@ typedef int64_t Elf64_Sxword; #define EF_MIPS_ARCH_5 0x40000000 /* -mips5 code. */ #define EF_MIPS_ARCH_32 0x50000000 /* MIPS32 code. */ #define EF_MIPS_ARCH_64 0x60000000 /* MIPS64 code. */ +#define EF_MIPS_ARCH_32R2 0x70000000 /* MIPS32r2 code. */ +#define EF_MIPS_ARCH_64R2 0x80000000 /* MIPS64r2 code. */ +#define EF_MIPS_ARCH_32R6 0x90000000 /* MIPS32r6 code. */ +#define EF_MIPS_ARCH_64R6 0xa0000000 /* MIPS64r6 code. */ /* The ABI of a file. */ #define EF_MIPS_ABI_O32 0x00001000 /* O32 ABI. */ diff --git a/linux-user/mips/target_elf.h b/linux-user/mips/target_elf.h index bed0b43259..fa5d30bf99 100644 --- a/linux-user/mips/target_elf.h +++ b/linux-user/mips/target_elf.h @@ -9,6 +9,9 @@ #define MIPS_TARGET_ELF_H static inline const char *cpu_get_model(uint32_t eflags) { + if ((eflags & EF_MIPS_ARCH) == EF_MIPS_ARCH_32R6) { + return "mips32r6-generic"; + } return "24Kf"; } #endif diff --git a/linux-user/mips64/target_elf.h b/linux-user/mips64/target_elf.h index 5b6f4692e0..ec55d8542a 100644 --- a/linux-user/mips64/target_elf.h +++ b/linux-user/mips64/target_elf.h @@ -9,6 +9,9 @@ #define MIPS64_TARGET_ELF_H static inline const char *cpu_get_model(uint32_t eflags) { + if ((eflags & EF_MIPS_ARCH) == EF_MIPS_ARCH_64R6) { + return "I6400"; + } return "5KEf"; } #endif