/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Mupen64plus/PCSX - assem_arm.c *
* Copyright (C) 2009-2011 Ari64 *
- * Copyright (C) 2010-2011 Gražvydas "notaz" Ignotas *
+ * Copyright (C) 2010-2021 Gražvydas "notaz" Ignotas *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
#include "pcnt.h"
#include "arm_features.h"
-#if defined(BASE_ADDR_FIXED)
-#elif defined(BASE_ADDR_DYNAMIC)
-u_char *translation_cache;
-#else
-u_char translation_cache[1 << TARGET_SIZE_2] __attribute__((aligned(4096)));
-#endif
-
#ifndef __MACH__
#define CALLER_SAVE_REGS 0x100f
#else
emit_cmovb_imm(1,rt);
}
+static int can_jump_or_call(const void *a)
+{
+ intptr_t offset = (u_char *)a - out - 8;
+ return (-33554432 <= offset && offset < 33554432);
+}
+
static void emit_call(const void *a_)
{
int a = (int)a_;
emit_writeword(ECX,&last_count);
#endif
//DEBUG <
- emit_jmp(linker);
+ emit_far_jump(linker);
}
static void check_extjump2(void *src)
if(cc<0)
emit_loadreg(CCREG,2);
emit_addimm(cc<0?2:cc,CLOCK_ADJUST((int)stubs[n].d+1),2);
- emit_call(handler);
+ emit_far_call(handler);
if(itype[i]==C1LS||itype[i]==C2LS||(rt>=0&&rt1[i]!=0)) {
mov_loadtype_adj(type,0,rt);
}
int rt=get_reg(regmap,target);
if(rs<0) rs=get_reg(regmap,-1);
assert(rs>=0);
- u_int is_dynamic,far_call=0;
+ u_int is_dynamic;
uintptr_t host_addr = 0;
void *handler;
int cc=get_reg(regmap,CCREG);
emit_movimm(addr,0);
else if(rs!=0)
emit_mov(rs,0);
- int offset=(u_char *)handler-out-8;
- if(offset<-33554432||offset>=33554432) {
- // unreachable memhandler, a plugin func perhaps
- emit_movimm((u_int)handler,12);
- far_call=1;
- }
if(cc<0)
emit_loadreg(CCREG,2);
if(is_dynamic) {
emit_writeword(2,&Count);
}
- if(far_call)
- emit_callreg(12);
- else
- emit_call(handler);
+ emit_far_call(handler);
if(rt>=0&&rt1[i]!=0) {
switch(type) {
emit_loadreg(CCREG,2);
emit_addimm(cc<0?2:cc,CLOCK_ADJUST((int)stubs[n].d+1),2);
// returns new cycle_count
- emit_call(handler);
+ emit_far_call(handler);
emit_addimm(0,-CLOCK_ADJUST((int)stubs[n].d+1),cc<0?2:cc);
if(cc<0)
emit_storereg(CCREG,2);
emit_addimm(cc<0?2:cc,CLOCK_ADJUST(adj+1),2);
emit_movimm((u_int)handler,3);
// returns new cycle_count
- emit_call(jump_handler_write_h);
+ emit_far_call(jump_handler_write_h);
emit_addimm(0,-CLOCK_ADJUST(adj+1),cc<0?2:cc);
if(cc<0)
emit_storereg(CCREG,2);
{
assem_debug("do_dirty_stub %x\n",start+i*4);
do_dirty_stub_emit_args(start + i*4);
- emit_call(verify_code);
+ emit_far_call(verify_code);
void *entry = out;
load_regs_entry(i);
if (entry == out)
static void do_dirty_stub_ds()
{
do_dirty_stub_emit_args(start + 1);
- emit_call(verify_code_ds);
+ emit_far_call(verify_code_ds);
}
/* Special assem */
save_regs_all(reglist);
#ifdef PCNT
emit_movimm(op,0);
- emit_call(pcnt_gte_start);
+ emit_far_call(pcnt_gte_start);
#endif
emit_addimm(FP,(int)&psxRegs.CP2D.r[0]-(int)&dynarec_local,0); // cop2 regs
}
{
#ifdef PCNT
emit_movimm(op,0);
- emit_call(pcnt_gte_end);
+ emit_far_call(pcnt_gte_end);
#endif
restore_regs_all(reglist);
}
static void c2op_call_MACtoIR(int lm,int need_flags)
{
if(need_flags)
- emit_call(lm?gteMACtoIR_lm1:gteMACtoIR_lm0);
+ emit_far_call(lm?gteMACtoIR_lm1:gteMACtoIR_lm0);
else
- emit_call(lm?gteMACtoIR_lm1_nf:gteMACtoIR_lm0_nf);
+ emit_far_call(lm?gteMACtoIR_lm1_nf:gteMACtoIR_lm0_nf);
}
static void c2op_call_rgb_func(void *func,int lm,int need_ir,int need_flags)
{
- emit_call(func);
+ emit_far_call(func);
// func is C code and trashes r0
emit_addimm(FP,(int)&psxRegs.CP2D.r[0]-(int)&dynarec_local,0);
if(need_flags||need_ir)
c2op_call_MACtoIR(lm,need_flags);
- emit_call(need_flags?gteMACtoRGB:gteMACtoRGB_nf);
+ emit_far_call(need_flags?gteMACtoRGB:gteMACtoRGB_nf);
}
static void c2op_assemble(int i,struct regstat *i_regs)
emit_readword(&zeromem_ptr,7);
#ifdef __ARM_NEON__
emit_movimm(source[i],1); // opcode
- emit_call(gteMVMVA_part_neon);
+ emit_far_call(gteMVMVA_part_neon);
if(need_flags) {
emit_movimm(lm,1);
- emit_call(gteMACtoIR_flags_neon);
+ emit_far_call(gteMACtoIR_flags_neon);
}
#else
if(cv==3&&shift)
- emit_call((int)gteMVMVA_part_cv3sh12_arm);
+ emit_far_call((int)gteMVMVA_part_cv3sh12_arm);
else {
emit_movimm(shift,1);
- emit_call((int)(need_flags?gteMVMVA_part_arm:gteMVMVA_part_nf_arm));
+ emit_far_call((int)(need_flags?gteMVMVA_part_arm:gteMVMVA_part_nf_arm));
}
if(need_flags||need_ir)
c2op_call_MACtoIR(lm,need_flags);
c2op_prologue(c2op,reglist);
emit_movimm(source[i],1); // opcode
emit_writeword(1,&psxRegs.code);
- emit_call((int)(need_flags?gte_handlers[c2op]:gte_handlers_nf[c2op]));
+ emit_far_call(need_flags?gte_handlers[c2op]:gte_handlers_nf[c2op]);
#endif
break;
}
case GTE_OP:
c2op_prologue(c2op,reglist);
- emit_call(shift?gteOP_part_shift:gteOP_part_noshift);
+ emit_far_call(shift?gteOP_part_shift:gteOP_part_noshift);
if(need_flags||need_ir) {
emit_addimm(FP,(int)&psxRegs.CP2D.r[0]-(int)&dynarec_local,0);
c2op_call_MACtoIR(lm,need_flags);
break;
case GTE_SQR:
c2op_prologue(c2op,reglist);
- emit_call(shift?gteSQR_part_shift:gteSQR_part_noshift);
+ emit_far_call(shift?gteSQR_part_shift:gteSQR_part_noshift);
if(need_flags||need_ir) {
emit_addimm(FP,(int)&psxRegs.CP2D.r[0]-(int)&dynarec_local,0);
c2op_call_MACtoIR(lm,need_flags);
emit_movimm(source[i],1); // opcode
emit_writeword(1,&psxRegs.code);
#endif
- emit_call(need_flags?gte_handlers[c2op]:gte_handlers_nf[c2op]);
+ emit_far_call(need_flags?gte_handlers[c2op]:gte_handlers_nf[c2op]);
break;
}
c2op_epilogue(c2op,reglist);
static void do_jump_vaddr(int rs)
{
- emit_jmp(jump_vaddr_reg[rs]);
+ emit_far_jump(jump_vaddr_reg[rs]);
}
static void do_preload_rhash(int r) {
}
// CPU-architecture-specific initialization
-static void arch_init() {
+static void arch_init(void)
+{
+ uintptr_t diff = (u_char *)&ndrc->tramp.f - (u_char *)&ndrc->tramp.ops - 8;
+ struct tramp_insns *ops = ndrc->tramp.ops;
+ size_t i;
+ assert(!(diff & 3));
+ assert(diff < 0x1000);
+ start_tcache_write(ops, (u_char *)ops + sizeof(ndrc->tramp.ops));
+ for (i = 0; i < ARRAY_SIZE(ndrc->tramp.ops); i++)
+ ops[i].ldrpc = 0xe5900000 | rd_rn_rm(15,15,0) | diff; // ldr pc, [=val]
+ end_tcache_write(ops, (u_char *)ops + sizeof(ndrc->tramp.ops));
}
// vim:shiftwidth=2:expandtab
notaz.gp2x.de / pcsx_rearmed.git / blobdiff