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-rw-r--r--linux-user/elfload.c30
1 files changed, 29 insertions, 1 deletions
diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index ad07c43..995f999 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -20,6 +20,7 @@
#undef ARCH_DLINFO
#undef ELF_PLATFORM
#undef ELF_HWCAP
+#undef ELF_HWCAP2
#undef ELF_CLASS
#undef ELF_DATA
#undef ELF_ARCH
@@ -353,6 +354,14 @@ enum
ARM_HWCAP_ARM_EVTSTRM = 1 << 21,
};
+enum {
+ ARM_HWCAP2_ARM_AES = 1 << 0,
+ ARM_HWCAP2_ARM_PMULL = 1 << 1,
+ ARM_HWCAP2_ARM_SHA1 = 1 << 2,
+ ARM_HWCAP2_ARM_SHA2 = 1 << 3,
+ ARM_HWCAP2_ARM_CRC32 = 1 << 4,
+};
+
/* The commpage only exists for 32 bit kernels */
#define TARGET_HAS_VALIDATE_GUEST_SPACE
@@ -416,6 +425,7 @@ static int validate_guest_space(unsigned long guest_base,
}
#define ELF_HWCAP get_elf_hwcap()
+#define ELF_HWCAP2 get_elf_hwcap2()
static uint32_t get_elf_hwcap(void)
{
@@ -448,11 +458,22 @@ static uint32_t get_elf_hwcap(void)
*/
GET_FEATURE(ARM_FEATURE_VFP3, ARM_HWCAP_ARM_VFPD32);
GET_FEATURE(ARM_FEATURE_LPAE, ARM_HWCAP_ARM_LPAE);
-#undef GET_FEATURE
return hwcaps;
}
+static uint32_t get_elf_hwcap2(void)
+{
+ ARMCPU *cpu = ARM_CPU(thread_cpu);
+ uint32_t hwcaps = 0;
+
+ GET_FEATURE(ARM_FEATURE_V8_AES, ARM_HWCAP2_ARM_AES);
+ GET_FEATURE(ARM_FEATURE_CRC, ARM_HWCAP2_ARM_CRC32);
+ return hwcaps;
+}
+
+#undef GET_FEATURE
+
#else
/* 64 bit ARM definitions */
#define ELF_START_MMAP 0x80000000
@@ -1486,6 +1507,9 @@ static abi_ulong create_elf_tables(abi_ulong p, int argc, int envc,
#ifdef DLINFO_ARCH_ITEMS
size += DLINFO_ARCH_ITEMS * 2;
#endif
+#ifdef ELF_HWCAP2
+ size += 2;
+#endif
size += envc + argc + 2;
size += 1; /* argc itself */
size *= n;
@@ -1519,6 +1543,10 @@ static abi_ulong create_elf_tables(abi_ulong p, int argc, int envc,
NEW_AUX_ENT(AT_CLKTCK, (abi_ulong) sysconf(_SC_CLK_TCK));
NEW_AUX_ENT(AT_RANDOM, (abi_ulong) u_rand_bytes);
+#ifdef ELF_HWCAP2
+ NEW_AUX_ENT(AT_HWCAP2, (abi_ulong) ELF_HWCAP2);
+#endif
+
if (k_platform)
NEW_AUX_ENT(AT_PLATFORM, u_platform);
#ifdef ARCH_DLINFO
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