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linux-user: Move get_elf_hwcap to loongarch64/elfload.c

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Change the return type to abi_ulong, and pass in the cpu.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson
2025-08-28 06:39:25 +10:00
parent ea9d69159e
commit 184e74b236
4 changed files with 52 additions and 49 deletions
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linux-user/elfload.c
+1 -48
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@@ -725,54 +725,7 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs,
#define USE_ELF_CORE_DUMP
#define ELF_EXEC_PAGESIZE 4096
#define ELF_HWCAP get_elf_hwcap()
/* See arch/loongarch/include/uapi/asm/hwcap.h */
enum {
HWCAP_LOONGARCH_CPUCFG = (1 << 0),
HWCAP_LOONGARCH_LAM = (1 << 1),
HWCAP_LOONGARCH_UAL = (1 << 2),
HWCAP_LOONGARCH_FPU = (1 << 3),
HWCAP_LOONGARCH_LSX = (1 << 4),
HWCAP_LOONGARCH_LASX = (1 << 5),
HWCAP_LOONGARCH_CRC32 = (1 << 6),
HWCAP_LOONGARCH_COMPLEX = (1 << 7),
HWCAP_LOONGARCH_CRYPTO = (1 << 8),
HWCAP_LOONGARCH_LVZ = (1 << 9),
HWCAP_LOONGARCH_LBT_X86 = (1 << 10),
HWCAP_LOONGARCH_LBT_ARM = (1 << 11),
HWCAP_LOONGARCH_LBT_MIPS = (1 << 12),
};
static uint32_t get_elf_hwcap(void)
{
LoongArchCPU *cpu = LOONGARCH_CPU(thread_cpu);
uint32_t hwcaps = 0;
hwcaps |= HWCAP_LOONGARCH_CRC32;
if (FIELD_EX32(cpu->env.cpucfg[1], CPUCFG1, UAL)) {
hwcaps |= HWCAP_LOONGARCH_UAL;
}
if (FIELD_EX32(cpu->env.cpucfg[2], CPUCFG2, FP)) {
hwcaps |= HWCAP_LOONGARCH_FPU;
}
if (FIELD_EX32(cpu->env.cpucfg[2], CPUCFG2, LAM)) {
hwcaps |= HWCAP_LOONGARCH_LAM;
}
if (FIELD_EX32(cpu->env.cpucfg[2], CPUCFG2, LSX)) {
hwcaps |= HWCAP_LOONGARCH_LSX;
}
if (FIELD_EX32(cpu->env.cpucfg[2], CPUCFG2, LASX)) {
hwcaps |= HWCAP_LOONGARCH_LASX;
}
return hwcaps;
}
#define ELF_HWCAP get_elf_hwcap(thread_cpu)
#define ELF_PLATFORM "loongarch"
linux-user/loader.h
+2 -1
View File
@@ -102,7 +102,8 @@ extern unsigned long guest_stack_size;
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_SPARC) || defined(TARGET_PPC) \
|| defined(TARGET_LOONGARCH64)
abi_ulong get_elf_hwcap(CPUState *cs);
abi_ulong get_elf_hwcap2(CPUState *cs);
#endif
linux-user/loongarch64/elfload.c
+47
View File
@@ -9,3 +9,50 @@ const char *get_elf_cpu_model(uint32_t eflags)
{
return "la464";
}
/* See arch/loongarch/include/uapi/asm/hwcap.h */
enum {
HWCAP_LOONGARCH_CPUCFG = (1 << 0),
HWCAP_LOONGARCH_LAM = (1 << 1),
HWCAP_LOONGARCH_UAL = (1 << 2),
HWCAP_LOONGARCH_FPU = (1 << 3),
HWCAP_LOONGARCH_LSX = (1 << 4),
HWCAP_LOONGARCH_LASX = (1 << 5),
HWCAP_LOONGARCH_CRC32 = (1 << 6),
HWCAP_LOONGARCH_COMPLEX = (1 << 7),
HWCAP_LOONGARCH_CRYPTO = (1 << 8),
HWCAP_LOONGARCH_LVZ = (1 << 9),
HWCAP_LOONGARCH_LBT_X86 = (1 << 10),
HWCAP_LOONGARCH_LBT_ARM = (1 << 11),
HWCAP_LOONGARCH_LBT_MIPS = (1 << 12),
};
abi_ulong get_elf_hwcap(CPUState *cs)
{
LoongArchCPU *cpu = LOONGARCH_CPU(cs);
abi_ulong hwcaps = 0;
hwcaps |= HWCAP_LOONGARCH_CRC32;
if (FIELD_EX32(cpu->env.cpucfg[1], CPUCFG1, UAL)) {
hwcaps |= HWCAP_LOONGARCH_UAL;
}
if (FIELD_EX32(cpu->env.cpucfg[2], CPUCFG2, FP)) {
hwcaps |= HWCAP_LOONGARCH_FPU;
}
if (FIELD_EX32(cpu->env.cpucfg[2], CPUCFG2, LAM)) {
hwcaps |= HWCAP_LOONGARCH_LAM;
}
if (FIELD_EX32(cpu->env.cpucfg[2], CPUCFG2, LSX)) {
hwcaps |= HWCAP_LOONGARCH_LSX;
}
if (FIELD_EX32(cpu->env.cpucfg[2], CPUCFG2, LASX)) {
hwcaps |= HWCAP_LOONGARCH_LASX;
}
return hwcaps;
}
linux-user/loongarch64/target_elf.h
+2
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@@ -6,4 +6,6 @@
#ifndef LOONGARCH_TARGET_ELF_H
#define LOONGARCH_TARGET_ELF_H
#define HAVE_ELF_HWCAP 1
#endif