target/xtensa/cpu.h

3  * All rights reserved.
31 #include "cpu-qom.h"
32 #include "qemu/cpu-float.h"
33 #include "exec/cpu-defs.h"
35 #include "xtensa-isa.h"
218     ((MAX_INSN_LENGTH + sizeof(xtensa_insnbuf_word) - 1) / \
244     /* Static vectors */
249     /* Dynamic vectors */
556  * An Xtensa CPU.
569  * @config: The CPU core configuration.
571  * An Xtensa CPU model.
586 void xtensa_cpu_do_interrupt(CPUState *cpu);
587 bool xtensa_cpu_exec_interrupt(CPUState *cpu, int interrupt_request);
592 hwaddr xtensa_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
595 void xtensa_cpu_dump_state(CPUState *cpu, FILE *f, int flags);
598 int xtensa_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg);
599 int xtensa_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
600 G_NORETURN void xtensa_cpu_do_unaligned_access(CPUState *cpu, vaddr addr,
640     env->static_vectors = n;  in xtensa_select_static_vectors()
650     return (config->options & opt) != 0;  in xtensa_option_bits_enabled()
660     int level = (env->sregs[PS] & PS_INTLEVEL) >> PS_INTLEVEL_SHIFT;  in xtensa_get_cintlevel()
661     if ((env->sregs[PS] & PS_EXCM) && env->config->excm_level > level) {  in xtensa_get_cintlevel()
662         level = env->config->excm_level;  in xtensa_get_cintlevel()
669     if (xtensa_option_bits_enabled(env->config,  in xtensa_get_ring()
672         return (env->sregs[PS] & PS_RING) >> PS_RING_SHIFT;  in xtensa_get_ring()
680     if (xtensa_option_bits_enabled(env->config,  in xtensa_get_cring()
683         (env->sregs[PS] & PS_EXCM) == 0) {  in xtensa_get_cring()
684         return (env->sregs[PS] & PS_RING) >> PS_RING_SHIFT;  in xtensa_get_cring()
699     return env->system_er;  in xtensa_get_er_region()
708     return env->sregs[WINDOW_START] |  in xtensa_replicate_windowstart()
709         (env->sregs[WINDOW_START] << env->config->nareg / 4);  in xtensa_replicate_windowstart()
734 #include "exec/cpu-all.h"
739     *pc = env->pc;  in cpu_get_tb_cpu_state()
743     if (env->sregs[PS] & PS_EXCM) {  in cpu_get_tb_cpu_state()
745     } else if (xtensa_option_enabled(env->config, XTENSA_OPTION_LOOP)) {  in cpu_get_tb_cpu_state()
747             env->sregs[LEND] - (env->pc & -(1u << TARGET_PAGE_BITS));  in cpu_get_tb_cpu_state()
763         if (lend_dist < (1u << TARGET_PAGE_BITS) + env->config->max_insn_size) {  in cpu_get_tb_cpu_state()
764             target_ulong lbeg_off = env->sregs[LEND] - env->sregs[LBEG];  in cpu_get_tb_cpu_state()
772     if (xtensa_option_enabled(env->config, XTENSA_OPTION_EXTENDED_L32R) &&  in cpu_get_tb_cpu_state()
773             (env->sregs[LITBASE] & 1)) {  in cpu_get_tb_cpu_state()
776     if (xtensa_option_enabled(env->config, XTENSA_OPTION_DEBUG)) {  in cpu_get_tb_cpu_state()
777         if (xtensa_get_cintlevel(env) < env->config->debug_level) {  in cpu_get_tb_cpu_state()
780         if (xtensa_get_cintlevel(env) < env->sregs[ICOUNTLEVEL]) {  in cpu_get_tb_cpu_state()
784     if (xtensa_option_enabled(env->config, XTENSA_OPTION_COPROCESSOR)) {  in cpu_get_tb_cpu_state()
785         *flags |= env->sregs[CPENABLE] << XTENSA_TBFLAG_CPENABLE_SHIFT;  in cpu_get_tb_cpu_state()
787     if (xtensa_option_enabled(env->config, XTENSA_OPTION_WINDOWED_REGISTER) &&  in cpu_get_tb_cpu_state()
788         (env->sregs[PS] & (PS_WOE | PS_EXCM)) == PS_WOE) {  in cpu_get_tb_cpu_state()
790             (env->sregs[WINDOW_BASE] + 1);  in cpu_get_tb_cpu_state()
794         *flags |= extract32(env->sregs[PS], PS_CALLINC_SHIFT,  in cpu_get_tb_cpu_state()
799     if (env->yield_needed) {  in cpu_get_tb_cpu_state()