diff options
Diffstat (limited to 'linux-user/sparc')
| -rw-r--r-- | linux-user/sparc/cpu_loop.c | 16 | ||||
| -rw-r--r-- | linux-user/sparc/elfload.c | 42 | ||||
| -rw-r--r-- | linux-user/sparc/target_elf.h | 11 |
3 files changed, 52 insertions, 17 deletions
diff --git a/linux-user/sparc/cpu_loop.c b/linux-user/sparc/cpu_loop.c index 68f1e8ecd4..7d30cd1ff2 100644 --- a/linux-user/sparc/cpu_loop.c +++ b/linux-user/sparc/cpu_loop.c @@ -357,14 +357,12 @@ void cpu_loop (CPUSPARCState *env) } } -void target_cpu_copy_regs(CPUArchState *env, target_pt_regs *regs) +void init_main_thread(CPUState *cs, struct image_info *info) { - int i; - env->pc = regs->pc; - env->npc = regs->npc; - env->y = regs->y; - for(i = 0; i < 8; i++) - env->gregs[i] = regs->u_regs[i]; - for(i = 0; i < 8; i++) - env->regwptr[i] = regs->u_regs[i + 8]; + CPUArchState *env = cpu_env(cs); + + env->pc = info->entry; + env->npc = env->pc + 4; + env->regwptr[WREG_SP] = (info->start_stack - 16 * sizeof(abi_ulong) + - TARGET_STACK_BIAS); } diff --git a/linux-user/sparc/elfload.c b/linux-user/sparc/elfload.c new file mode 100644 index 0000000000..32ca1b05b1 --- /dev/null +++ b/linux-user/sparc/elfload.c @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#include "qemu/osdep.h" +#include "qemu.h" +#include "loader.h" +#include "elf.h" + + +const char *get_elf_cpu_model(uint32_t eflags) +{ +#ifdef TARGET_SPARC64 + return "TI UltraSparc II"; +#else + return "Fujitsu MB86904"; +#endif +} + +abi_ulong get_elf_hwcap(CPUState *cs) +{ + /* There are not many sparc32 hwcap bits -- we have all of them. */ + uint32_t r = HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | + HWCAP_SPARC_SWAP | HWCAP_SPARC_MULDIV; + +#ifdef TARGET_SPARC64 + CPUSPARCState *env = cpu_env(cs); + uint32_t features = env->def.features; + + r |= HWCAP_SPARC_V9 | HWCAP_SPARC_V8PLUS; + /* 32x32 multiply and divide are efficient. */ + r |= HWCAP_SPARC_MUL32 | HWCAP_SPARC_DIV32; + /* We don't have an internal feature bit for this. */ + r |= HWCAP_SPARC_POPC; + r |= features & CPU_FEATURE_FSMULD ? HWCAP_SPARC_FSMULD : 0; + r |= features & CPU_FEATURE_VIS1 ? HWCAP_SPARC_VIS : 0; + r |= features & CPU_FEATURE_VIS2 ? HWCAP_SPARC_VIS2 : 0; + r |= features & CPU_FEATURE_FMAF ? HWCAP_SPARC_FMAF : 0; + r |= features & CPU_FEATURE_VIS3 ? HWCAP_SPARC_VIS3 : 0; + r |= features & CPU_FEATURE_IMA ? HWCAP_SPARC_IMA : 0; +#endif + + return r; +} diff --git a/linux-user/sparc/target_elf.h b/linux-user/sparc/target_elf.h index a510ceb612..b7544db0a1 100644 --- a/linux-user/sparc/target_elf.h +++ b/linux-user/sparc/target_elf.h @@ -7,12 +7,7 @@ #ifndef SPARC_TARGET_ELF_H #define SPARC_TARGET_ELF_H -static inline const char *cpu_get_model(uint32_t eflags) -{ -#ifdef TARGET_SPARC64 - return "TI UltraSparc II"; -#else - return "Fujitsu MB86904"; -#endif -} + +#define HAVE_ELF_HWCAP 1 + #endif |