linux-user: Move get_elf_hwcap to riscv/elfload.c

Change the return type to abi_ulong, and pass in the cpu.
As this is the last instance of get_elf_hwcap to be converted,
remove the ifdef around the declaration in loader.h.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index ba8593368daa5d40944f411fada2eb6c19330df6..ce4055b0e9637ee984ef693025b9a42dcb932c39 100644 (file)
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -1099,19 +1099,7 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs,
 #define VDSO_HEADER "vdso-64.c.inc"
 #endif
 
-#define ELF_HWCAP get_elf_hwcap()
-
-static uint32_t get_elf_hwcap(void)
-{
-#define MISA_BIT(EXT) (1 << (EXT - 'A'))
-    RISCVCPU *cpu = RISCV_CPU(thread_cpu);
-    uint32_t mask = MISA_BIT('I') | MISA_BIT('M') | MISA_BIT('A')
-                    | MISA_BIT('F') | MISA_BIT('D') | MISA_BIT('C')
-                    | MISA_BIT('V');
-
-    return cpu->env.misa_ext & mask;
-#undef MISA_BIT
-}
+#define ELF_HWCAP get_elf_hwcap(thread_cpu)
 
 static inline void init_thread(struct target_pt_regs *regs,
                                struct image_info *infop)

diff --git a/linux-user/loader.h b/linux-user/loader.h
index c14e69f5510555275c5b9bc6af80b2e884f58436..729723cc06bcd6006bf508d97cdfc2734af42841 100644 (file)
--- a/linux-user/loader.h
+++ b/linux-user/loader.h
@@ -101,13 +101,8 @@ extern unsigned long guest_stack_size;
 /* Note that Elf32 and Elf64 use uint32_t for e_flags. */
 const char *get_elf_cpu_model(uint32_t eflags);
 
-#if defined(TARGET_I386) || defined(TARGET_X86_64) || defined(TARGET_ARM) \
-    || defined(TARGET_SPARC) || defined(TARGET_PPC) \
-    || defined(TARGET_LOONGARCH64) || defined(TARGET_MIPS) \
-    || defined(TARGET_SH4) || defined(TARGET_S390X)
 abi_ulong get_elf_hwcap(CPUState *cs);
 abi_ulong get_elf_hwcap2(CPUState *cs);
-#endif
 const char *elf_hwcap_str(uint32_t bit);
 const char *elf_hwcap2_str(uint32_t bit);
 

diff --git a/linux-user/riscv/elfload.c b/linux-user/riscv/elfload.c
index f92adb73085b9b094e2f7a0132162b4476fdbb17..2e7d622232360fec323ce9a5a03c3b03dab917bd 100644 (file)
--- a/linux-user/riscv/elfload.c
+++ b/linux-user/riscv/elfload.c
@@ -9,3 +9,15 @@ const char *get_elf_cpu_model(uint32_t eflags)
 {
     return "max";
 }
+
+abi_ulong get_elf_hwcap(CPUState *cs)
+{
+#define MISA_BIT(EXT) (1 << (EXT - 'A'))
+    RISCVCPU *cpu = RISCV_CPU(cs);
+    uint32_t mask = MISA_BIT('I') | MISA_BIT('M') | MISA_BIT('A')
+                    | MISA_BIT('F') | MISA_BIT('D') | MISA_BIT('C')
+                    | MISA_BIT('V');
+
+    return cpu->env.misa_ext & mask;
+#undef MISA_BIT
+}

diff --git a/linux-user/riscv/target_elf.h b/linux-user/riscv/target_elf.h
index bfe86105d0322b1980cf28f588d15091d24c3dfb..48d9af557bfae6cbdba953fa3da871bdb8a312b2 100644 (file)
--- a/linux-user/riscv/target_elf.h
+++ b/linux-user/riscv/target_elf.h
@@ -8,4 +8,6 @@
 #ifndef RISCV_TARGET_ELF_H
 #define RISCV_TARGET_ELF_H
 
+#define HAVE_ELF_HWCAP          1
+
 #endif