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| author | Peter Maydell | 2018-04-11 12:21:38 +0200 |
|---|---|---|
| committer | Peter Maydell | 2018-04-11 12:21:38 +0200 |
| commit | 675608cb8468041b9573ff66629b27d0a1cfd0bc (patch) | |
| tree | 2c3383025ac4555362914781ef7e3069803e9737 /linux-user/elfload.c | |
| parent | Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging (diff) | |
| parent | linux-user: implement HWCAP bits on MIPS (diff) | |
| download | qemu-675608cb8468041b9573ff66629b27d0a1cfd0bc.tar.gz qemu-675608cb8468041b9573ff66629b27d0a1cfd0bc.tar.xz qemu-675608cb8468041b9573ff66629b27d0a1cfd0bc.zip | |
Merge remote-tracking branch 'remotes/vivier2/tags/linux-user-for-2.12-pull-request' into staging
# gpg: Signature made Tue 10 Apr 2018 17:00:19 BST
# gpg: using RSA key F30C38BD3F2FBE3C
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>"
# gpg: aka "Laurent Vivier <laurent@vivier.eu>"
# gpg: aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>"
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F 5173 F30C 38BD 3F2F BE3C
* remotes/vivier2/tags/linux-user-for-2.12-pull-request:
linux-user: implement HWCAP bits on MIPS
linux-user: add microblaze/microblazeel magic numbers in qemu-binfmt-conf.sh
linux-user: fix microblaze get_sp_from_cpustate()
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'linux-user/elfload.c')
| -rw-r--r-- | linux-user/elfload.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 23e34957f9..c77ed1bb01 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -882,6 +882,30 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUMIPSState *e #define USE_ELF_CORE_DUMP #define ELF_EXEC_PAGESIZE 4096 +/* See arch/mips/include/uapi/asm/hwcap.h. */ +enum { + HWCAP_MIPS_R6 = (1 << 0), + HWCAP_MIPS_MSA = (1 << 1), +}; + +#define ELF_HWCAP get_elf_hwcap() + +static uint32_t get_elf_hwcap(void) +{ + MIPSCPU *cpu = MIPS_CPU(thread_cpu); + uint32_t hwcaps = 0; + +#define GET_FEATURE(flag, hwcap) \ + do { if (cpu->env.insn_flags & (flag)) { hwcaps |= hwcap; } } while (0) + + GET_FEATURE(ISA_MIPS32R6 | ISA_MIPS64R6, HWCAP_MIPS_R6); + GET_FEATURE(ASE_MSA, HWCAP_MIPS_MSA); + +#undef GET_FEATURE + + return hwcaps; +} + #endif /* TARGET_MIPS */ #ifdef TARGET_MICROBLAZE |