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Re: [PATCH v16 3/9] linux-user: Add LoongArch elf support


From: Richard Henderson
Subject: Re: [PATCH v16 3/9] linux-user: Add LoongArch elf support
Date: Tue, 14 Jun 2022 09:21:58 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.1

On 6/14/22 02:05, Song Gao wrote:
+#define ELF_HWCAP get_elf_hwcap()
+
+static uint32_t get_elf_hwcap(void)
+{
+    return 0;
+}

This should not be zero. See cpu_probe_common in the kernel. At minimum HWCAP_LOONGARCH_CRC32 and HWCAP_LOONGARCH_FPU are missing. I don't know how many of the other features are implemented in target/loongarch/.

Missing ELF_PLATFORM, per the kernel's set_elf_platform(cpu, "loongarch").


r~



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