114 lines
3.5 KiB
C
114 lines
3.5 KiB
C
/* Modified for Unicorn Engine by Chen Huitao<chenhuitao@hfmrit.com>, 2020 */
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#ifndef UNICORN_COMMON_H
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#define UNICORN_COMMON_H
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#include "tcg/tcg.h"
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#include "qemu-common.h"
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#include "exec/memory.h"
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// This header define common patterns/codes that will be included in all arch-sepcific
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// codes for unicorns purposes.
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void vm_start(struct uc_struct*);
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void tcg_exec_init(struct uc_struct *uc, unsigned long tb_size);
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// return true on success, false on failure
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static inline bool cpu_physical_mem_read(AddressSpace *as, hwaddr addr,
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uint8_t *buf, int len)
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{
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return cpu_physical_memory_rw(as, addr, (void *)buf, len, 0);
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}
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static inline bool cpu_physical_mem_write(AddressSpace *as, hwaddr addr,
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const uint8_t *buf, int len)
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{
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return cpu_physical_memory_rw(as, addr, (void *)buf, len, 1);
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}
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void tb_cleanup(struct uc_struct *uc);
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void free_code_gen_buffer(struct uc_struct *uc);
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/** Freeing common resources */
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static void release_common(void *t)
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{
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TCGPool *po, *to;
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TCGContext *s = (TCGContext *)t;
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#if TCG_TARGET_REG_BITS == 32
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int i;
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#endif
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// Clean TCG.
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TCGOpDef* def = s->tcg_op_defs;
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g_free(def->args_ct);
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g_free(def->sorted_args);
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g_free(s->tcg_op_defs);
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for (po = s->pool_first; po; po = to) {
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to = po->next;
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g_free(po);
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}
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tcg_pool_reset(s);
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g_hash_table_destroy(s->helper_table);
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g_free(s->indirect_reg_alloc_order);
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/* qemu/tcg/tcg/c:4018: img = g_malloc(img_size); */
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g_free((void *)(s->one_entry->symfile_addr));
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g_free(s->one_entry);
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/* qemu/tcg/tcg/c:574: tcg_ctx->tree = g_tree_new(tb_tc_cmp); */
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g_tree_destroy(s->tree);
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// these function is not available outside qemu
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// so we keep them here instead of outside uc_close.
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memory_free(s->uc);
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address_space_destroy(&s->uc->address_space_memory);
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address_space_destroy(&s->uc->address_space_io);
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/* clean up uc->l1_map. */
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tb_cleanup(s->uc);
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/* clean up tcg_ctx->code_gen_buffer. */
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free_code_gen_buffer(s->uc);
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/* qemu/util/qht.c:264: map = qht_map_create(n_buckets); */
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qht_destroy(&s->tb_ctx.htable);
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cpu_watchpoint_remove_all(CPU(s->uc->cpu), BP_CPU);
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cpu_breakpoint_remove_all(CPU(s->uc->cpu), BP_CPU);
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#if TCG_TARGET_REG_BITS == 32
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for(i = 0; i < s->nb_globals; i++) {
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TCGTemp *ts = &s->temps[i];
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if (ts->base_type == TCG_TYPE_I64) {
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if (ts->name && ((strcmp(ts->name+(strlen(ts->name)-2), "_0") == 0) ||
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(strcmp(ts->name+(strlen(ts->name)-2), "_1") == 0))) {
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free((void *)ts->name);
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}
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}
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}
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#endif
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}
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static inline void target_page_init(struct uc_struct* uc)
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{
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uc->target_page_size = TARGET_PAGE_SIZE;
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uc->target_page_align = TARGET_PAGE_SIZE - 1;
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}
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void softfloat_init(void);
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static inline void uc_common_init(struct uc_struct* uc)
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{
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uc->write_mem = cpu_physical_mem_write;
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uc->read_mem = cpu_physical_mem_read;
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uc->tcg_exec_init = tcg_exec_init;
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uc->cpu_exec_init_all = cpu_exec_init_all;
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uc->vm_start = vm_start;
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uc->memory_map = memory_map;
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uc->memory_map_ptr = memory_map_ptr;
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uc->memory_unmap = memory_unmap;
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uc->readonly_mem = memory_region_set_readonly;
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uc->target_page = target_page_init;
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uc->softfloat_initialize = softfloat_init;
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uc->tcg_flush_tlb = tcg_flush_softmmu_tlb;
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uc->memory_map_io = memory_map_io;
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if (!uc->release)
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uc->release = release_common;
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}
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#endif
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