X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=libpcsxcore%2Fnew_dynarec%2Fassem_arm.c;h=6c3826c0d32e29eac6dfe54b4ce5d41dddada149;hp=9a5e3a94d451af98e97096d0fa44e4ea4b04dc68;hb=d148d26560527efdd71685df8eac0497827ca766;hpb=1fedf1ea555e4a6be68dd0ba384909ac21da65d0 diff --git a/libpcsxcore/new_dynarec/assem_arm.c b/libpcsxcore/new_dynarec/assem_arm.c index 9a5e3a94..6c3826c0 100644 --- a/libpcsxcore/new_dynarec/assem_arm.c +++ b/libpcsxcore/new_dynarec/assem_arm.c @@ -114,7 +114,7 @@ const u_int invalidate_addr_reg[16] = { 0, 0}; -static unsigned int needs_clear_cache[1<<(TARGET_SIZE_2-17)]; +static u_int needs_clear_cache[1<<(TARGET_SIZE_2-17)]; /* Linker */ @@ -193,15 +193,15 @@ static void add_literal(int addr,int val) literalcount++; } -static void *kill_pointer(void *stub) +// from a pointer to external jump stub (which was produced by emit_extjump2) +// find where the jumping insn is +static void *find_extjump_insn(void *stub) { int *ptr=(int *)(stub+4); - assert((*ptr&0x0ff00000)==0x05900000); + assert((*ptr&0x0fff0000)==0x059f0000); // ldr rx, [pc, #ofs] u_int offset=*ptr&0xfff; - int **l_ptr=(void *)ptr+offset+8; - int *i_ptr=*l_ptr; - set_jump_target((int)i_ptr,(int)stub); - return i_ptr; + void **l_ptr=(void *)ptr+offset+8; + return *l_ptr; } // find where external branch is liked to using addr of it's stub: @@ -211,11 +211,7 @@ static void *kill_pointer(void *stub) static int get_pointer(void *stub) { //printf("get_pointer(%x)\n",(int)stub); - int *ptr=(int *)(stub+4); - assert((*ptr&0x0fff0000)==0x059f0000); - u_int offset=*ptr&0xfff; - int **l_ptr=(void *)ptr+offset+8; - int *i_ptr=*l_ptr; + int *i_ptr=find_extjump_insn(stub); assert((*i_ptr&0x0f000000)==0x0a000000); return (int)i_ptr+((*i_ptr<<8)>>6)+8; } @@ -4094,6 +4090,17 @@ static void wb_invalidate_arm(signed char pre[],signed char entry[],uint64_t dir #define wb_invalidate wb_invalidate_arm */ +static void mark_clear_cache(void *target) +{ + u_long offset = (char *)target - (char *)BASE_ADDR; + u_int mask = 1u << ((offset >> 12) & 31); + if (!(needs_clear_cache[offset >> 17] & mask)) { + char *start = (char *)((u_long)target & ~4095ul); + start_tcache_write(start, start + 4096); + needs_clear_cache[offset >> 17] |= mask; + } +} + // Clearing the cache is rather slow on ARM Linux, so mark the areas // that need to be cleared, and then only clear these areas once. static void do_clear_cache() @@ -4115,7 +4122,7 @@ static void do_clear_cache() end+=4096; j++; }else{ - __clear_cache((void *)start,(void *)end); + end_tcache_write((void *)start,(void *)end); break; } }