diff options
Diffstat (limited to 'target/xtensa/cpu.h')
-rw-r--r-- | target/xtensa/cpu.h | 82 |
1 files changed, 11 insertions, 71 deletions
diff --git a/target/xtensa/cpu.h b/target/xtensa/cpu.h index 9f2341d..74122eb 100644 --- a/target/xtensa/cpu.h +++ b/target/xtensa/cpu.h @@ -30,7 +30,9 @@ #include "cpu-qom.h" #include "qemu/cpu-float.h" +#include "exec/cpu-common.h" #include "exec/cpu-defs.h" +#include "exec/cpu-interrupt.h" #include "hw/clock.h" #include "xtensa-isa.h" @@ -490,7 +492,7 @@ typedef struct XtensaConfig { } XtensaConfig; typedef struct XtensaConfigList { - const XtensaConfig *config; + XtensaConfig *config; struct XtensaConfigList *next; } XtensaConfigList; @@ -617,6 +619,8 @@ G_NORETURN void xtensa_cpu_do_unaligned_access(CPUState *cpu, vaddr addr, void xtensa_collect_sr_names(const XtensaConfig *config); void xtensa_translate_init(void); +void xtensa_translate_code(CPUState *cs, TranslationBlock *tb, + int *max_insns, vaddr pc, void *host_pc); void **xtensa_get_regfile_by_name(const char *name, int entries, int bits); void xtensa_breakpoint_handler(CPUState *cs); void xtensa_register_core(XtensaConfigList *node); @@ -729,77 +733,13 @@ static inline uint32_t xtensa_replicate_windowstart(CPUXtensaState *env) #define XTENSA_CSBASE_LBEG_OFF_MASK 0x00ff0000 #define XTENSA_CSBASE_LBEG_OFF_SHIFT 16 -#include "exec/cpu-all.h" - -static inline void cpu_get_tb_cpu_state(CPUXtensaState *env, vaddr *pc, - uint64_t *cs_base, uint32_t *flags) -{ - *pc = env->pc; - *cs_base = 0; - *flags = 0; - *flags |= xtensa_get_ring(env); - if (env->sregs[PS] & PS_EXCM) { - *flags |= XTENSA_TBFLAG_EXCM; - } else if (xtensa_option_enabled(env->config, XTENSA_OPTION_LOOP)) { - target_ulong lend_dist = - env->sregs[LEND] - (env->pc & -(1u << TARGET_PAGE_BITS)); - - /* - * 0 in the csbase_lend field means that there may not be a loopback - * for any instruction that starts inside this page. Any other value - * means that an instruction that ends at this offset from the page - * start may loop back and will need loopback code to be generated. - * - * lend_dist is 0 when LEND points to the start of the page, but - * no instruction that starts inside this page may end at offset 0, - * so it's still correct. - * - * When an instruction ends at a page boundary it may only start in - * the previous page. lend_dist will be encoded as TARGET_PAGE_SIZE - * for the TB that contains this instruction. - */ - if (lend_dist < (1u << TARGET_PAGE_BITS) + env->config->max_insn_size) { - target_ulong lbeg_off = env->sregs[LEND] - env->sregs[LBEG]; - - *cs_base = lend_dist; - if (lbeg_off < 256) { - *cs_base |= lbeg_off << XTENSA_CSBASE_LBEG_OFF_SHIFT; - } - } - } - if (xtensa_option_enabled(env->config, XTENSA_OPTION_EXTENDED_L32R) && - (env->sregs[LITBASE] & 1)) { - *flags |= XTENSA_TBFLAG_LITBASE; - } - if (xtensa_option_enabled(env->config, XTENSA_OPTION_DEBUG)) { - if (xtensa_get_cintlevel(env) < env->config->debug_level) { - *flags |= XTENSA_TBFLAG_DEBUG; - } - if (xtensa_get_cintlevel(env) < env->sregs[ICOUNTLEVEL]) { - *flags |= XTENSA_TBFLAG_ICOUNT; - } - } - if (xtensa_option_enabled(env->config, XTENSA_OPTION_COPROCESSOR)) { - *flags |= env->sregs[CPENABLE] << XTENSA_TBFLAG_CPENABLE_SHIFT; - } - if (xtensa_option_enabled(env->config, XTENSA_OPTION_WINDOWED_REGISTER) && - (env->sregs[PS] & (PS_WOE | PS_EXCM)) == PS_WOE) { - uint32_t windowstart = xtensa_replicate_windowstart(env) >> - (env->sregs[WINDOW_BASE] + 1); - uint32_t w = ctz32(windowstart | 0x8); - - *flags |= (w << XTENSA_TBFLAG_WINDOW_SHIFT) | XTENSA_TBFLAG_CWOE; - *flags |= extract32(env->sregs[PS], PS_CALLINC_SHIFT, - PS_CALLINC_LEN) << XTENSA_TBFLAG_CALLINC_SHIFT; - } else { - *flags |= 3 << XTENSA_TBFLAG_WINDOW_SHIFT; - } - if (env->yield_needed) { - *flags |= XTENSA_TBFLAG_YIELD; - } -} - XtensaCPU *xtensa_cpu_create_with_clock(const char *cpu_type, Clock *cpu_refclk); +/* + * Set the NaN propagation rule for future FPU operations: + * use_first is true to pick the first NaN as the result if both + * inputs are NaNs, false to pick the second. + */ +void xtensa_use_first_nan(CPUXtensaState *env, bool use_first); #endif |