/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Mupen64plus/PCSX - assem_arm64.c *
* Copyright (C) 2009-2011 Ari64 *
- * Copyright (C) 2010-2021 notaz *
+ * Copyright (C) 2009-2018 Gillou68310 *
+ * Copyright (C) 2021 notaz *
* *
* 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 *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+#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
-
#define CALLER_SAVE_REGS 0x0007ffff
#define unused __attribute__((unused))
-extern int cycle_count;
-extern int last_count;
-extern int pcaddr;
-extern int pending_exception;
-extern int branch_target;
-extern u_int mini_ht[32][2];
-
-static u_int needs_clear_cache[1<<(TARGET_SIZE_2-17)];
-
-//void indirect_jump_indexed();
-//void indirect_jump();
-void do_interrupt();
-//void jump_vaddr_r0();
-
-void * const jump_vaddr_reg[32];
+void do_memhandler_pre();
+void do_memhandler_post();
/* Linker */
-
-static void set_jump_target(void *addr, void *target_)
+static void set_jump_target(void *addr, void *target)
{
- assert(0);
+ u_int *ptr = addr;
+ intptr_t offset = (u_char *)target - (u_char *)addr;
+
+ if ((*ptr&0xFC000000) == 0x14000000) { // b
+ assert(offset>=-134217728LL&&offset<134217728LL);
+ *ptr=(*ptr&0xFC000000)|((offset>>2)&0x3ffffff);
+ }
+ else if ((*ptr&0xff000000) == 0x54000000 // b.cond
+ || (*ptr&0x7e000000) == 0x34000000) { // cbz/cbnz
+ // Conditional branch are limited to +/- 1MB
+ // block max size is 256k so branching beyond the +/- 1MB limit
+ // should only happen when jumping to an already compiled block (see add_link)
+ // a workaround would be to do a trampoline jump via a stub at the end of the block
+ assert(-1048576 <= offset && offset < 1048576);
+ *ptr=(*ptr&0xFF00000F)|(((offset>>2)&0x7ffff)<<5);
+ }
+ else if((*ptr&0x9f000000)==0x10000000) { // adr
+ // generated by do_miniht_insert
+ assert(offset>=-1048576LL&&offset<1048576LL);
+ *ptr=(*ptr&0x9F00001F)|(offset&0x3)<<29|((offset>>2)&0x7ffff)<<5;
+ }
+ else
+ abort(); // should not happen
}
// 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)
{
- assert(0);
- return NULL;
+ int *ptr = (int *)stub + 2;
+ assert((*ptr&0x9f000000) == 0x10000000); // adr
+ int offset = (((signed int)(*ptr<<8)>>13)<<2)|((*ptr>>29)&0x3);
+ return ptr + offset / 4;
}
// find where external branch is liked to using addr of it's stub:
-// get address that insn one after stub loads (dyna_linker arg1),
+// get address that the stub loads (dyna_linker arg1),
// treat it as a pointer to branch insn,
// return addr where that branch jumps to
static void *get_pointer(void *stub)
{
- //printf("get_pointer(%x)\n",(int)stub);
- assert(0);
- return NULL;
-}
-
-// Find the "clean" entry point from a "dirty" entry point
-// by skipping past the call to verify_code
-static void *get_clean_addr(void *addr)
-{
+ int *i_ptr = find_extjump_insn(stub);
+ if ((*i_ptr&0xfc000000) == 0x14000000) // b
+ return i_ptr + ((signed int)(*i_ptr<<6)>>6);
+ if ((*i_ptr&0xff000000) == 0x54000000 // b.cond
+ || (*i_ptr&0x7e000000) == 0x34000000) // cbz/cbnz
+ return i_ptr + ((signed int)(*i_ptr<<8)>>13);
assert(0);
return NULL;
}
-static int verify_dirty(u_int *ptr)
-{
- assert(0);
- return 0;
-}
-
-// This doesn't necessarily find all clean entry points, just
-// guarantees that it's not dirty
-static int isclean(void *addr)
-{
- assert(0);
- return 0;
-}
-
-// get source that block at addr was compiled from (host pointers)
-static void get_bounds(void *addr, u_char **start, u_char **end)
-{
- assert(0);
-}
-
// Allocate a specific ARM register.
static void alloc_arm_reg(struct regstat *cur,int i,signed char reg,int hr)
{
/* Assembler */
static unused const char *regname[32] = {
- "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
- "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
- "ip0", "ip1", "r18", "r19", "r20", "r21", "r22", "r23"
- "r24", "r25", "r26", "r27", "r28", "fp", "lr", "sp"
+ "w0", "w1", "w2", "w3", "w4", "w5", "w6", "w7",
+ "w8", "w9", "w10", "w11", "w12", "w13", "w14", "w15",
+ "ip0", "ip1", "w18", "w19", "w20", "w21", "w22", "w23",
+ "w24", "w25", "w26", "w27", "w28", "wfp", "wlr", "wsp"
+};
+
+static unused const char *regname64[32] = {
+ "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7",
+ "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15",
+ "ip0", "ip1", "x18", "x19", "x20", "x21", "x22", "x23",
+ "x24", "x25", "x26", "x27", "x28", "fp", "lr", "sp"
+};
+
+enum {
+ COND_EQ, COND_NE, COND_CS, COND_CC, COND_MI, COND_PL, COND_VS, COND_VC,
+ COND_HI, COND_LS, COND_GE, COND_LT, COND_GT, COND_LE, COND_AW, COND_NV
+};
+
+static unused const char *condname[16] = {
+ "eq", "ne", "cs", "cc", "mi", "pl", "vs", "vc",
+ "hi", "ls", "ge", "lt", "gt", "le", "aw", "nv"
};
-#pragma GCC diagnostic ignored "-Wunused-function"
static void output_w32(u_int word)
{
*((u_int *)out) = word;
out += 4;
}
-static u_int rm_rn_rd(u_int rm, u_int rn, u_int rd)
+static void output_w64(uint64_t dword)
+{
+ *((uint64_t *)out) = dword;
+ out+=8;
+}
+
+/*
+static u_int rm_rd(u_int rm, u_int rd)
{
assert(rm < 31);
+ assert(rd < 31);
+ return (rm << 16) | rd;
+}
+*/
+
+static u_int rn_rd(u_int rn, u_int rd)
+{
assert(rn < 31);
assert(rd < 31);
+ return (rn << 5) | rd;
+}
+
+static u_int rm_rn_rd(u_int rm, u_int rn, u_int rd)
+{
+ assert(rm < 32);
+ assert(rn < 32);
+ assert(rd < 32);
return (rm << 16) | (rn << 5) | rd;
}
+static u_int rm_ra_rn_rd(u_int rm, u_int ra, u_int rn, u_int rd)
+{
+ assert(ra < 32);
+ return rm_rn_rd(rm, rn, rd) | (ra << 10);
+}
+
+static u_int imm7_rt2_rn_rt(u_int imm7, u_int rt2, u_int rn, u_int rt)
+{
+ assert(imm7 < 0x80);
+ assert(rt2 < 31);
+ assert(rn < 32);
+ assert(rt < 31);
+ return (imm7 << 15) | (rt2 << 10) | (rn << 5) | rt;
+}
+
+static u_int rm_imm6_rn_rd(u_int rm, u_int imm6, u_int rn, u_int rd)
+{
+ assert(imm6 <= 63);
+ return rm_rn_rd(rm, rn, rd) | (imm6 << 10);
+}
+
static u_int imm16_rd(u_int imm16, u_int rd)
{
assert(imm16 < 0x10000);
return (imm16 << 5) | rd;
}
-static u_int genjmp(u_char *addr)
+static u_int imm12_rn_rd(u_int imm12, u_int rn, u_int rd)
+{
+ assert(imm12 < 0x1000);
+ assert(rn < 32);
+ assert(rd < 32);
+ return (imm12 << 10) | (rn << 5) | rd;
+}
+
+static u_int imm9_rn_rt(u_int imm9, u_int rn, u_int rd)
+{
+ assert(imm9 < 0x200);
+ assert(rn < 31);
+ assert(rd < 31);
+ return (imm9 << 12) | (rn << 5) | rd;
+}
+
+static u_int imm19_rt(u_int imm19, u_int rt)
+{
+ assert(imm19 < 0x80000);
+ assert(rt < 31);
+ return (imm19 << 5) | rt;
+}
+
+static u_int n_immr_imms_rn_rd(u_int n, u_int immr, u_int imms, u_int rn, u_int rd)
+{
+ assert(n < 2);
+ assert(immr < 0x40);
+ assert(imms < 0x40);
+ assert(rn < 32);
+ assert(rd < 32);
+ return (n << 22) | (immr << 16) | (imms << 10) | (rn << 5) | rd;
+}
+
+static u_int genjmp(const u_char *addr)
{
intptr_t offset = addr - out;
+ if ((uintptr_t)addr < 3) return 0; // a branch that will be patched later
if (offset < -134217728 || offset > 134217727) {
- if ((uintptr_t)addr > 2) {
- SysPrintf("%s: out of range: %08x\n", __func__, offset);
- exit(1);
- }
+ SysPrintf("%s: out of range: %p %lx\n", __func__, addr, offset);
+ abort();
return 0;
}
- return ((u_int)offset >> 2) & 0x01ffffff;
+ return ((u_int)offset >> 2) & 0x03ffffff;
}
-static u_int genjmpcc(u_char *addr)
+static u_int genjmpcc(const u_char *addr)
{
intptr_t offset = addr - out;
+ if ((uintptr_t)addr < 3) return 0;
if (offset < -1048576 || offset > 1048572) {
- if ((uintptr_t)addr > 2) {
- SysPrintf("%s: out of range: %08x\n", __func__, offset);
- exit(1);
- }
+ SysPrintf("%s: out of range: %p %lx\n", __func__, addr, offset);
+ abort();
return 0;
}
- return ((u_int)offset >> 2) & 0xfffff;
+ return ((u_int)offset >> 2) & 0x7ffff;
+}
+
+static uint32_t is_mask(u_int value)
+{
+ return value && ((value + 1) & value) == 0;
+}
+
+// This function returns true if the argument contains a
+// non-empty sequence of ones (possibly rotated) with the remainder zero.
+static uint32_t is_rotated_mask(u_int value)
+{
+ if (value == 0 || value == ~0)
+ return 0;
+ if (is_mask((value - 1) | value))
+ return 1;
+ return is_mask((~value - 1) | ~value);
+}
+
+static void gen_logical_imm(u_int value, u_int *immr, u_int *imms)
+{
+ int lzeros, tzeros, ones;
+ assert(value != 0);
+ if (is_mask((value - 1) | value)) {
+ lzeros = __builtin_clz(value);
+ tzeros = __builtin_ctz(value);
+ ones = 32 - lzeros - tzeros;
+ *immr = (32 - tzeros) & 31;
+ *imms = ones - 1;
+ return;
+ }
+ value = ~value;
+ if (is_mask((value - 1) | value)) {
+ lzeros = __builtin_clz(value);
+ tzeros = __builtin_ctz(value);
+ ones = 32 - lzeros - tzeros;
+ *immr = lzeros;
+ *imms = 31 - ones;
+ return;
+ }
+ abort();
}
static void emit_mov(u_int rs, u_int rt)
{
- assem_debug("mov %s,%s\n",regname[rt],regname[rs]);
- assert(0);
+ assem_debug("mov %s,%s\n", regname[rt], regname[rs]);
+ output_w32(0x2a000000 | rm_rn_rd(rs, WZR, rt));
}
-static void emit_movs(u_int rs, u_int rt)
+static void emit_mov64(u_int rs, u_int rt)
{
- assem_debug("mov %s,%s\n",regname[rt],regname[rs]);
- assert(0);
+ assem_debug("mov %s,%s\n", regname64[rt], regname64[rs]);
+ output_w32(0xaa000000 | rm_rn_rd(rs, WZR, rt));
}
-static void emit_add(u_int rs1,u_int rs2,u_int rt)
+static void emit_add(u_int rs1, u_int rs2, u_int rt)
{
- assem_debug("add %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
- assert(0);
+ assem_debug("add %s,%s,%s\n", regname[rt], regname[rs1], regname[rs2]);
+ output_w32(0x0b000000 | rm_rn_rd(rs2, rs1, rt));
}
-static void emit_sbc(u_int rs1,u_int rs2,u_int rt)
+static void emit_add64(u_int rs1, u_int rs2, u_int rt)
{
- assem_debug("sbc %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
- assert(0);
+ assem_debug("add %s,%s,%s\n", regname64[rt], regname64[rs1], regname64[rs2]);
+ output_w32(0x8b000000 | rm_rn_rd(rs2, rs1, rt));
+}
+
+static void emit_adds64(u_int rs1, u_int rs2, u_int rt)
+{
+ assem_debug("adds %s,%s,%s\n",regname64[rt],regname64[rs1],regname64[rs2]);
+ output_w32(0xab000000 | rm_rn_rd(rs2, rs1, rt));
}
static void emit_neg(u_int rs, u_int rt)
{
- assem_debug("rsb %s,%s,#0\n",regname[rt],regname[rs]);
- assert(0);
+ assem_debug("neg %s,%s\n",regname[rt],regname[rs]);
+ output_w32(0x4b000000 | rm_rn_rd(rs, WZR, rt));
}
-static void emit_negs(u_int rs, u_int rt)
+static void emit_sub(u_int rs1, u_int rs2, u_int rt)
{
- assem_debug("rsbs %s,%s,#0\n",regname[rt],regname[rs]);
- assert(0);
+ assem_debug("sub %s,%s,%s\n", regname[rt], regname[rs1], regname[rs2]);
+ output_w32(0x4b000000 | rm_imm6_rn_rd(rs2, 0, rs1, rt));
}
-static void emit_sub(u_int rs1,u_int rs2,u_int rt)
+static void emit_sub_asrimm(u_int rs1, u_int rs2, u_int shift, u_int rt)
{
- assem_debug("sub %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
- assert(0);
+ assem_debug("sub %s,%s,%s,asr #%u\n",regname[rt],regname[rs1],regname[rs2],shift);
+ output_w32(0x4b800000 | rm_imm6_rn_rd(rs2, shift, rs1, rt));
}
-static void emit_subs(u_int rs1,u_int rs2,u_int rt)
+static void emit_movz(u_int imm, u_int rt)
{
- assem_debug("subs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
- assert(0);
+ assem_debug("movz %s,#%#x\n", regname[rt], imm);
+ output_w32(0x52800000 | imm16_rd(imm, rt));
}
-static void emit_zeroreg(u_int rt)
+static void emit_movz_lsl16(u_int imm, u_int rt)
{
- assem_debug("mov %s,#0\n",regname[rt]);
- assert(0);
+ assem_debug("movz %s,#%#x,lsl #16\n", regname[rt], imm);
+ output_w32(0x52a00000 | imm16_rd(imm, rt));
+}
+
+static void emit_movn(u_int imm, u_int rt)
+{
+ assem_debug("movn %s,#%#x\n", regname[rt], imm);
+ output_w32(0x12800000 | imm16_rd(imm, rt));
}
-static void emit_movw(u_int imm,u_int rt)
+static void emit_movn_lsl16(u_int imm,u_int rt)
+{
+ assem_debug("movn %s,#%#x,lsl #16\n", regname[rt], imm);
+ output_w32(0x12a00000 | imm16_rd(imm, rt));
+}
+
+static void emit_movk(u_int imm,u_int rt)
+{
+ assem_debug("movk %s,#%#x\n", regname[rt], imm);
+ output_w32(0x72800000 | imm16_rd(imm, rt));
+}
+
+static void emit_movk_lsl16(u_int imm,u_int rt)
{
assert(imm<65536);
- assem_debug("movw %s,#%d (0x%x)\n",regname[rt],imm,imm);
- assert(0);
+ assem_debug("movk %s,#%#x,lsl #16\n", regname[rt], imm);
+ output_w32(0x72a00000 | imm16_rd(imm, rt));
}
-static void emit_movt(u_int imm,u_int rt)
+static void emit_zeroreg(u_int rt)
{
- assem_debug("movt %s,#%d (0x%x)\n",regname[rt],imm&0xffff0000,imm&0xffff0000);
- assert(0);
+ emit_movz(0, rt);
}
static void emit_movimm(u_int imm, u_int rt)
{
- assem_debug("mov %s,#%x\n", regname[rt], imm);
- if ((imm & 0xffff0000) == 0)
- output_w32(0x52800000 | imm16_rd(imm, rt));
- else if ((imm & 0xffff0000) == 0xffff0000)
- assert(0);
+ if (imm < 65536)
+ emit_movz(imm, rt);
+ else if ((~imm) < 65536)
+ emit_movn(~imm, rt);
+ else if ((imm&0xffff) == 0)
+ emit_movz_lsl16(imm >> 16, rt);
+ else if (((~imm)&0xffff) == 0)
+ emit_movn_lsl16(~imm >> 16, rt);
+ else if (is_rotated_mask(imm)) {
+ u_int immr, imms;
+ gen_logical_imm(imm, &immr, &imms);
+ assem_debug("orr %s,wzr,#%#x\n", regname[rt], imm);
+ output_w32(0x32000000 | n_immr_imms_rn_rd(0, immr, imms, WZR, rt));
+ }
else {
- output_w32(0x52800000 | imm16_rd(imm & 0xffff, rt));
- output_w32(0x72a00000 | imm16_rd(imm >> 16, rt));
+ emit_movz(imm & 0xffff, rt);
+ emit_movk_lsl16(imm >> 16, rt);
+ }
+}
+
+static void emit_readword(void *addr, u_int rt)
+{
+ uintptr_t offset = (u_char *)addr - (u_char *)&dynarec_local;
+ if (!(offset & 3) && offset <= 16380) {
+ assem_debug("ldr %s,[x%d+%#lx]\n", regname[rt], FP, offset);
+ output_w32(0xb9400000 | imm12_rn_rd(offset >> 2, FP, rt));
+ }
+ else
+ abort();
+}
+
+static void emit_readdword(void *addr, u_int rt)
+{
+ uintptr_t offset = (u_char *)addr - (u_char *)&dynarec_local;
+ if (!(offset & 7) && offset <= 32760) {
+ assem_debug("ldr %s,[x%d+%#lx]\n", regname64[rt], FP, offset);
+ output_w32(0xf9400000 | imm12_rn_rd(offset >> 3, FP, rt));
}
+ else
+ abort();
+}
+
+static void emit_readshword(void *addr, u_int rt)
+{
+ uintptr_t offset = (u_char *)addr - (u_char *)&dynarec_local;
+ if (!(offset & 1) && offset <= 8190) {
+ assem_debug("ldrsh %s,[x%d+%#lx]\n", regname[rt], FP, offset);
+ output_w32(0x79c00000 | imm12_rn_rd(offset >> 1, FP, rt));
+ }
+ else
+ assert(0);
}
static void emit_loadreg(u_int r, u_int hr)
{
+ int is64 = 0;
assert(r < 64);
if (r == 0)
emit_zeroreg(hr);
else {
- void *addr = ®[r];
+ void *addr = &psxRegs.GPR.r[r];
switch (r) {
- case HIREG: addr = &hi; break;
- case LOREG: addr = &lo; break;
+ //case HIREG: addr = &hi; break;
+ //case LOREG: addr = &lo; break;
case CCREG: addr = &cycle_count; break;
case CSREG: addr = &Status; break;
- case INVCP: addr = &invc_ptr; break;
- default: assert(r < 32); break;
+ case INVCP: addr = &invc_ptr; is64 = 1; break;
+ default: assert(r < 34); break;
}
- uintptr_t offset = (u_char *)addr - (u_char *)&dynarec_local;
- assert(offset < 4096);
- assem_debug("ldr %s,fp+%lx\n", regname[hr], offset);
+ if (is64)
+ emit_readdword(addr, hr);
+ else
+ emit_readword(addr, hr);
+ }
+}
+
+static void emit_writeword(u_int rt, void *addr)
+{
+ uintptr_t offset = (u_char *)addr - (u_char *)&dynarec_local;
+ if (!(offset & 3) && offset <= 16380) {
+ assem_debug("str %s,[x%d+%#lx]\n", regname[rt], FP, offset);
+ output_w32(0xb9000000 | imm12_rn_rd(offset >> 2, FP, rt));
+ }
+ else
assert(0);
+}
+
+static void emit_writedword(u_int rt, void *addr)
+{
+ uintptr_t offset = (u_char *)addr - (u_char *)&dynarec_local;
+ if (!(offset & 7) && offset <= 32760) {
+ assem_debug("str %s,[x%d+%#lx]\n", regname64[rt], FP, offset);
+ output_w32(0xf9000000 | imm12_rn_rd(offset >> 3, FP, rt));
}
+ else
+ abort();
}
-static void emit_storereg(u_int r, int hr)
+static void emit_storereg(u_int r, u_int hr)
{
assert(r < 64);
- void *addr = ®[r];
+ void *addr = &psxRegs.GPR.r[r];
switch (r) {
- case HIREG: addr = &hi; break;
- case LOREG: addr = &lo; break;
+ //case HIREG: addr = &hi; break;
+ //case LOREG: addr = &lo; break;
case CCREG: addr = &cycle_count; break;
- default: assert(r < 32); break;
+ default: assert(r < 34); break;
}
- uintptr_t offset = (u_char *)addr - (u_char *)&dynarec_local;
- assert(offset < 4096);
- assem_debug("str %s,fp+%lx\n", regname[hr], offset);
- assert(0);
+ emit_writeword(hr, addr);
}
static void emit_test(u_int rs, u_int rt)
{
- assem_debug("tst %s,%s\n",regname[rs],regname[rt]);
- assert(0);
-}
-
-static void emit_testimm(u_int rs,int imm)
-{
- assem_debug("tst %s,#%d\n",regname[rs],imm);
- assert(0);
+ assem_debug("tst %s,%s\n", regname[rs], regname[rt]);
+ output_w32(0x6a000000 | rm_rn_rd(rt, rs, WZR));
}
-static void emit_testeqimm(u_int rs,int imm)
+static void emit_testimm(u_int rs, u_int imm)
{
- assem_debug("tsteq %s,$%d\n",regname[rs],imm);
- assert(0);
+ u_int immr, imms;
+ assem_debug("tst %s,#%#x\n", regname[rs], imm);
+ assert(is_rotated_mask(imm)); // good enough for PCSX
+ gen_logical_imm(imm, &immr, &imms);
+ output_w32(0x72000000 | n_immr_imms_rn_rd(0, immr, imms, rs, WZR));
}
static void emit_not(u_int rs,u_int rt)
{
assem_debug("mvn %s,%s\n",regname[rt],regname[rs]);
- assert(0);
-}
-
-static void emit_mvnmi(u_int rs,u_int rt)
-{
- assem_debug("mvnmi %s,%s\n",regname[rt],regname[rs]);
- assert(0);
+ output_w32(0x2a200000 | rm_rn_rd(rs, WZR, rt));
}
static void emit_and(u_int rs1,u_int rs2,u_int rt)
{
assem_debug("and %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
- assert(0);
+ output_w32(0x0a000000 | rm_rn_rd(rs2, rs1, rt));
}
static void emit_or(u_int rs1,u_int rs2,u_int rt)
{
assem_debug("orr %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
- assert(0);
+ output_w32(0x2a000000 | rm_rn_rd(rs2, rs1, rt));
+}
+
+static void emit_bic(u_int rs1,u_int rs2,u_int rt)
+{
+ assem_debug("bic %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
+ output_w32(0x0a200000 | rm_rn_rd(rs2, rs1, rt));
}
static void emit_orrshl_imm(u_int rs,u_int imm,u_int rt)
{
- assert(rs < 31);
- assert(rt < 31);
- assert(imm < 32);
assem_debug("orr %s,%s,%s,lsl #%d\n",regname[rt],regname[rt],regname[rs],imm);
- assert(0);
+ output_w32(0x2a000000 | rm_imm6_rn_rd(rs, imm, rt, rt));
}
static void emit_orrshr_imm(u_int rs,u_int imm,u_int rt)
{
- assert(rs < 31);
- assert(rt < 31);
- assert(imm < 32);
assem_debug("orr %s,%s,%s,lsr #%d\n",regname[rt],regname[rt],regname[rs],imm);
- assert(0);
+ output_w32(0x2a400000 | rm_imm6_rn_rd(rs, imm, rt, rt));
}
-static void emit_or_and_set_flags(u_int rs1,u_int rs2,u_int rt)
+static void emit_bicsar_imm(u_int rs,u_int imm,u_int rt)
{
- assem_debug("orrs %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
- assert(0);
+ assem_debug("bic %s,%s,%s,asr #%d\n",regname[rt],regname[rt],regname[rs],imm);
+ output_w32(0x0aa00000 | rm_imm6_rn_rd(rs, imm, rt, rt));
}
static void emit_xor(u_int rs1,u_int rs2,u_int rt)
{
assem_debug("eor %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
- assert(0);
+ output_w32(0x4a000000 | rm_rn_rd(rs2, rs1, rt));
}
-static void emit_addimm(u_int rs, uintptr_t imm, u_int rt)
+static void emit_xorsar_imm(u_int rs1, u_int rs2, u_int imm, u_int rt)
{
- assert(rs < 31);
- assert(rt < 31);
- assert(0);
+ assem_debug("eor %s,%s,%s,asr #%d\n",regname[rt],regname[rs1],regname[rs2],imm);
+ output_w32(0x4a800000 | rm_imm6_rn_rd(rs2, imm, rs1, rt));
}
-static void emit_addimm_and_set_flags(int imm, u_int rt)
+static void emit_addimm_s(u_int s, u_int is64, u_int rs, uintptr_t imm, u_int rt)
{
- assert(0);
+ unused const char *st = s ? "s" : "";
+ s = s ? 0x20000000 : 0;
+ is64 = is64 ? 0x80000000 : 0;
+ if (imm < 4096) {
+ assem_debug("add%s %s,%s,%#lx\n", st, regname[rt], regname[rs], imm);
+ output_w32(0x11000000 | is64 | s | imm12_rn_rd(imm, rs, rt));
+ }
+ else if (-imm < 4096) {
+ assem_debug("sub%s %s,%s,%#lx\n", st, regname[rt], regname[rs], -imm);
+ output_w32(0x51000000 | is64 | s | imm12_rn_rd(-imm, rs, rt));
+ }
+ else if (imm < 16777216) {
+ assem_debug("add %s,%s,#%#lx\n",regname[rt],regname[rt],imm&0xfff000);
+ output_w32(0x11400000 | is64 | imm12_rn_rd(imm >> 12, rs, rt));
+ if ((imm & 0xfff) || s) {
+ assem_debug("add%s %s,%s,#%#lx\n",st,regname[rt],regname[rs],imm&0xfff);
+ output_w32(0x11000000 | is64 | s | imm12_rn_rd(imm & 0xfff, rt, rt));
+ }
+ }
+ else if (-imm < 16777216) {
+ assem_debug("sub %s,%s,#%#lx\n",regname[rt],regname[rt],-imm&0xfff000);
+ output_w32(0x51400000 | is64 | imm12_rn_rd(-imm >> 12, rs, rt));
+ if ((imm & 0xfff) || s) {
+ assem_debug("sub%s %s,%s,#%#lx\n",st,regname[rt],regname[rs],-imm&0xfff);
+ output_w32(0x51000000 | is64 | s | imm12_rn_rd(-imm & 0xfff, rt, rt));
+ }
+ }
+ else
+ abort();
}
-static void emit_addimm_no_flags(u_int imm,u_int rt)
+static void emit_addimm(u_int rs, uintptr_t imm, u_int rt)
{
- emit_addimm(rt,imm,rt);
+ emit_addimm_s(0, 0, rs, imm, rt);
}
-static void emit_addnop(u_int r)
+static void emit_addimm64(u_int rs, uintptr_t imm, u_int rt)
{
- assert(r<16);
- assem_debug("add %s,%s,#0 (nop)\n",regname[r],regname[r]);
- assert(0);
+ emit_addimm_s(0, 1, rs, imm, rt);
}
-static void emit_adcimm(u_int rs,int imm,u_int rt)
+static void emit_addimm_and_set_flags(int imm, u_int rt)
{
- assem_debug("adc %s,%s,#%d\n",regname[rt],regname[rs],imm);
- assert(0);
+ emit_addimm_s(1, 0, rt, imm, rt);
}
-static void emit_rscimm(u_int rs,int imm,u_int rt)
+static void emit_addimm_no_flags(u_int imm,u_int rt)
{
- assem_debug("rsc %s,%s,#%d\n",regname[rt],regname[rs],imm);
- assert(0);
+ emit_addimm(rt,imm,rt);
}
-static void emit_addimm64_32(u_int rsh,u_int rsl,int imm,u_int rth,u_int rtl)
+static void emit_logicop_imm(u_int op, u_int rs, u_int imm, u_int rt)
{
- assert(0);
+ const char *names[] = { "and", "orr", "eor", "ands" };
+ const char *name = names[op];
+ u_int immr, imms;
+ op = op << 29;
+ if (is_rotated_mask(imm)) {
+ gen_logical_imm(imm, &immr, &imms);
+ assem_debug("%s %s,%s,#%#x\n", name, regname[rt], regname[rs], imm);
+ output_w32(op | 0x12000000 | n_immr_imms_rn_rd(0, immr, imms, rs, rt));
+ }
+ else {
+ if (rs == HOST_TEMPREG || rt != HOST_TEMPREG)
+ host_tempreg_acquire();
+ emit_movimm(imm, HOST_TEMPREG);
+ assem_debug("%s %s,%s,%s\n", name, regname[rt], regname[rs], regname[HOST_TEMPREG]);
+ output_w32(op | 0x0a000000 | rm_rn_rd(HOST_TEMPREG, rs, rt));
+ if (rs == HOST_TEMPREG || rt != HOST_TEMPREG)
+ host_tempreg_release();
+ }
+ (void)name;
}
-static void emit_andimm(u_int rs,int imm,u_int rt)
+static void emit_andimm(u_int rs, u_int imm, u_int rt)
{
- assert(0);
+ if (imm == 0)
+ emit_zeroreg(rt);
+ else
+ emit_logicop_imm(0, rs, imm, rt);
}
-static void emit_orimm(u_int rs,int imm,u_int rt)
+static void emit_orimm(u_int rs, u_int imm, u_int rt)
{
- assert(0);
+ if (imm == 0) {
+ if (rs != rt)
+ emit_mov(rs, rt);
+ }
+ else
+ emit_logicop_imm(1, rs, imm, rt);
}
-static void emit_xorimm(u_int rs,int imm,u_int rt)
+static void emit_xorimm(u_int rs, u_int imm, u_int rt)
{
- assert(0);
+ if (imm == 0) {
+ if (rs != rt)
+ emit_mov(rs, rt);
+ }
+ else
+ emit_logicop_imm(2, rs, imm, rt);
}
-static void emit_shlimm(u_int rs,u_int imm,u_int rt)
+static void emit_sbfm(u_int rs,u_int imm,u_int rt)
{
- assert(imm>0);
- assert(imm<32);
- assem_debug("lsl %s,%s,#%d\n",regname[rt],regname[rs],imm);
- assert(0);
+ assem_debug("sbfm %s,%s,#0,#%d\n",regname[rt],regname[rs],imm);
+ output_w32(0x13000000 | n_immr_imms_rn_rd(0, 0, imm, rs, rt));
}
-static void emit_lsls_imm(u_int rs,int imm,u_int rt)
+static void emit_ubfm(u_int rs,u_int imm,u_int rt)
{
- assert(imm>0);
- assert(imm<32);
- assem_debug("lsls %s,%s,#%d\n",regname[rt],regname[rs],imm);
- assert(0);
+ assem_debug("ubfm %s,%s,#0,#%d\n",regname[rt],regname[rs],imm);
+ output_w32(0x53000000 | n_immr_imms_rn_rd(0, 0, imm, rs, rt));
}
-static unused void emit_lslpls_imm(u_int rs,int imm,u_int rt)
+static void emit_shlimm(u_int rs,u_int imm,u_int rt)
{
- assert(imm>0);
- assert(imm<32);
- assem_debug("lslpls %s,%s,#%d\n",regname[rt],regname[rs],imm);
- assert(0);
+ assem_debug("lsl %s,%s,#%d\n",regname[rt],regname[rs],imm);
+ output_w32(0x53000000 | n_immr_imms_rn_rd(0, (31-imm)+1, 31-imm, rs, rt));
}
static void emit_shrimm(u_int rs,u_int imm,u_int rt)
{
- assert(imm>0);
- assert(imm<32);
assem_debug("lsr %s,%s,#%d\n",regname[rt],regname[rs],imm);
- assert(0);
+ output_w32(0x53000000 | n_immr_imms_rn_rd(0, imm, 31, rs, rt));
+}
+
+static void emit_shrimm64(u_int rs,u_int imm,u_int rt)
+{
+ assem_debug("lsr %s,%s,#%d\n",regname[rt],regname[rs],imm);
+ output_w32(0xd3400000 | n_immr_imms_rn_rd(0, imm, 63, rs, rt));
}
static void emit_sarimm(u_int rs,u_int imm,u_int rt)
{
- assert(imm>0);
- assert(imm<32);
assem_debug("asr %s,%s,#%d\n",regname[rt],regname[rs],imm);
- assert(0);
+ output_w32(0x13000000 | n_immr_imms_rn_rd(0, imm, 31, rs, rt));
}
static void emit_rorimm(u_int rs,u_int imm,u_int rt)
{
- assert(imm>0);
- assert(imm<32);
assem_debug("ror %s,%s,#%d\n",regname[rt],regname[rs],imm);
- assert(0);
+ output_w32(0x13800000 | rm_imm6_rn_rd(rs, imm, rs, rt));
}
static void emit_signextend16(u_int rs, u_int rt)
{
assem_debug("sxth %s,%s\n", regname[rt], regname[rs]);
- assert(0);
+ output_w32(0x13000000 | n_immr_imms_rn_rd(0, 0, 15, rs, rt));
}
-static void emit_shl(u_int rs,u_int shift,u_int rt)
+static void emit_shl(u_int rs,u_int rshift,u_int rt)
{
- assert(rs < 31);
- assert(rt < 31);
- assert(shift < 16);
- assert(0);
+ assem_debug("lsl %s,%s,%s\n",regname[rt],regname[rs],regname[rshift]);
+ output_w32(0x1ac02000 | rm_rn_rd(rshift, rs, rt));
}
-static void emit_shr(u_int rs,u_int shift,u_int rt)
+static void emit_shr(u_int rs,u_int rshift,u_int rt)
{
- assert(rs < 31);
- assert(rt < 31);
- assert(shift<16);
- assem_debug("lsr %s,%s,%s\n",regname[rt],regname[rs],regname[shift]);
- assert(0);
+ assem_debug("lsr %s,%s,%s\n",regname[rt],regname[rs],regname[rshift]);
+ output_w32(0x1ac02400 | rm_rn_rd(rshift, rs, rt));
}
-static void emit_sar(u_int rs,u_int shift,u_int rt)
+static void emit_sar(u_int rs,u_int rshift,u_int rt)
{
- assert(rs < 31);
- assert(rt < 31);
- assert(shift<16);
- assem_debug("asr %s,%s,%s\n",regname[rt],regname[rs],regname[shift]);
- assert(0);
+ assem_debug("asr %s,%s,%s\n",regname[rt],regname[rs],regname[rshift]);
+ output_w32(0x1ac02800 | rm_rn_rd(rshift, rs, rt));
}
-static void emit_orrshl(u_int rs,u_int shift,u_int rt)
+static void emit_cmpimm(u_int rs, u_int imm)
{
- assert(rs < 31);
- assert(rt < 31);
- assert(shift<16);
- assem_debug("orr %s,%s,%s,lsl %s\n",regname[rt],regname[rt],regname[rs],regname[shift]);
- assert(0);
-}
-
-static void emit_orrshr(u_int rs,u_int shift,u_int rt)
-{
- assert(rs < 31);
- assert(rt < 31);
- assert(shift<16);
- assem_debug("orr %s,%s,%s,lsr %s\n",regname[rt],regname[rt],regname[rs],regname[shift]);
- assert(0);
+ if (imm < 4096) {
+ assem_debug("cmp %s,%#x\n", regname[rs], imm);
+ output_w32(0x71000000 | imm12_rn_rd(imm, rs, WZR));
+ }
+ else if (-imm < 4096) {
+ assem_debug("cmn %s,%#x\n", regname[rs], imm);
+ output_w32(0x31000000 | imm12_rn_rd(-imm, rs, WZR));
+ }
+ else if (imm < 16777216 && !(imm & 0xfff)) {
+ assem_debug("cmp %s,#%#x\n", regname[rs], imm);
+ output_w32(0x71400000 | imm12_rn_rd(imm >> 12, rs, WZR));
+ }
+ else {
+ host_tempreg_acquire();
+ emit_movimm(imm, HOST_TEMPREG);
+ assem_debug("cmp %s,%s\n", regname[rs], regname[HOST_TEMPREG]);
+ output_w32(0x6b000000 | rm_rn_rd(HOST_TEMPREG, rs, WZR));
+ host_tempreg_release();
+ }
}
-static void emit_cmpimm(u_int rs,int imm)
+static void emit_cmov_imm(u_int cond0, u_int cond1, u_int imm, u_int rt)
{
- assert(0);
+ assert(imm == 0 || imm == 1);
+ assert(cond0 < 0x10);
+ assert(cond1 < 0x10);
+ if (imm) {
+ assem_debug("csinc %s,%s,%s,%s\n",regname[rt],regname[rt],regname[WZR],condname[cond1]);
+ output_w32(0x1a800400 | (cond1 << 12) | rm_rn_rd(WZR, rt, rt));
+ } else {
+ assem_debug("csel %s,%s,%s,%s\n",regname[rt],regname[WZR],regname[rt],condname[cond0]);
+ output_w32(0x1a800000 | (cond0 << 12) | rm_rn_rd(rt, WZR, rt));
+ }
}
-static void emit_cmovne_imm(int imm,u_int rt)
+static void emit_cmovne_imm(u_int imm,u_int rt)
{
- assem_debug("movne %s,#%d\n",regname[rt],imm);
- assert(0);
+ emit_cmov_imm(COND_NE, COND_EQ, imm, rt);
}
-static void emit_cmovl_imm(int imm,u_int rt)
+static void emit_cmovl_imm(u_int imm,u_int rt)
{
- assem_debug("movlt %s,#%d\n",regname[rt],imm);
- assert(0);
+ emit_cmov_imm(COND_LT, COND_GE, imm, rt);
}
static void emit_cmovb_imm(int imm,u_int rt)
{
- assem_debug("movcc %s,#%d\n",regname[rt],imm);
- assert(0);
+ emit_cmov_imm(COND_CC, COND_CS, imm, rt);
}
-static void emit_cmovs_imm(int imm,u_int rt)
+static void emit_cmoveq_reg(u_int rs,u_int rt)
{
- assem_debug("movmi %s,#%d\n",regname[rt],imm);
- assert(0);
+ assem_debug("csel %s,%s,%s,eq\n",regname[rt],regname[rs],regname[rt]);
+ output_w32(0x1a800000 | (COND_EQ << 12) | rm_rn_rd(rt, rs, rt));
}
static void emit_cmovne_reg(u_int rs,u_int rt)
{
- assem_debug("movne %s,%s\n",regname[rt],regname[rs]);
- assert(0);
+ assem_debug("csel %s,%s,%s,ne\n",regname[rt],regname[rs],regname[rt]);
+ output_w32(0x1a800000 | (COND_NE << 12) | rm_rn_rd(rt, rs, rt));
}
static void emit_cmovl_reg(u_int rs,u_int rt)
{
- assem_debug("movlt %s,%s\n",regname[rt],regname[rs]);
- assert(0);
+ assem_debug("csel %s,%s,%s,lt\n",regname[rt],regname[rs],regname[rt]);
+ output_w32(0x1a800000 | (COND_LT << 12) | rm_rn_rd(rt, rs, rt));
+}
+
+static void emit_cmovb_reg(u_int rs,u_int rt)
+{
+ assem_debug("csel %s,%s,%s,cc\n",regname[rt],regname[rs],regname[rt]);
+ output_w32(0x1a800000 | (COND_CC << 12) | rm_rn_rd(rt, rs, rt));
}
static void emit_cmovs_reg(u_int rs,u_int rt)
{
- assem_debug("movmi %s,%s\n",regname[rt],regname[rs]);
- assert(0);
+ assem_debug("csel %s,%s,%s,mi\n",regname[rt],regname[rs],regname[rt]);
+ output_w32(0x1a800000 | (COND_MI << 12) | rm_rn_rd(rt, rs, rt));
+}
+
+static void emit_csinvle_reg(u_int rs1,u_int rs2,u_int rt)
+{
+ assem_debug("csinv %s,%s,%s,le\n",regname[rt],regname[rs1],regname[rs2]);
+ output_w32(0x5a800000 | (COND_LE << 12) | rm_rn_rd(rs2, rs1, rt));
}
static void emit_slti32(u_int rs,int imm,u_int rt)
static void emit_cmp(u_int rs,u_int rt)
{
assem_debug("cmp %s,%s\n",regname[rs],regname[rt]);
- assert(0);
+ output_w32(0x6b000000 | rm_rn_rd(rt, rs, WZR));
}
static void emit_set_gz32(u_int rs, u_int rt)
static void emit_set_nz32(u_int rs, u_int rt)
{
//assem_debug("set_nz32\n");
- assert(0);
+ if(rs!=rt) emit_mov(rs,rt);
+ emit_test(rs,rs);
+ emit_cmovne_imm(1,rt);
}
static void emit_set_if_less32(u_int rs1, u_int rs2, u_int rt)
emit_cmovb_imm(1,rt);
}
-#pragma GCC diagnostic ignored "-Wunused-variable"
-static void emit_call(const void *a_)
+static int can_jump_or_call(const void *a)
{
- uintptr_t a = (uintptr_t)a_;
- assem_debug("bl %p (%p+%lx)%s\n", a_, out, (u_char *)a_ - out, func_name(a));
- assert(0);
+ intptr_t diff = (u_char *)a - out;
+ return (-134217728 <= diff && diff <= 134217727);
}
-static void emit_jmp(const void *a_)
+static void emit_call(const void *a)
{
- uintptr_t a = (uintptr_t)a_;
- assem_debug("b %p (%p+%lx)%s\n", a_, out, (u_char *)a_ - out, func_name(a));
- assert(0);
+ intptr_t diff = (u_char *)a - out;
+ assem_debug("bl %p (%p+%lx)%s\n", a, out, diff, func_name(a));
+ assert(!(diff & 3));
+ if (-134217728 <= diff && diff <= 134217727)
+ output_w32(0x94000000 | ((diff >> 2) & 0x03ffffff));
+ else
+ abort();
}
-static void emit_jne(const void *a_)
+static void emit_jmp(const void *a)
{
- uintptr_t a = (uintptr_t)a_;
- assem_debug("bne %p\n", a_);
- assert(0);
+ assem_debug("b %p (%p+%lx)%s\n", a, out, (u_char *)a - out, func_name(a));
+ u_int offset = genjmp(a);
+ output_w32(0x14000000 | offset);
}
-static void emit_jeq(int a)
+static void emit_jne(const void *a)
{
- assem_debug("beq %x\n",a);
- assert(0);
+ assem_debug("bne %p\n", a);
+ u_int offset = genjmpcc(a);
+ output_w32(0x54000000 | (offset << 5) | COND_NE);
}
-static void emit_js(int a)
+static void emit_jeq(const void *a)
{
- assem_debug("bmi %x\n",a);
- assert(0);
+ assem_debug("beq %p\n", a);
+ u_int offset = genjmpcc(a);
+ output_w32(0x54000000 | (offset << 5) | COND_EQ);
}
-static void emit_jns(int a)
+static void emit_js(const void *a)
{
- assem_debug("bpl %x\n",a);
- assert(0);
+ assem_debug("bmi %p\n", a);
+ u_int offset = genjmpcc(a);
+ output_w32(0x54000000 | (offset << 5) | COND_MI);
}
-static void emit_jl(int a)
+static void emit_jns(const void *a)
{
- assem_debug("blt %x\n",a);
- assert(0);
+ assem_debug("bpl %p\n", a);
+ u_int offset = genjmpcc(a);
+ output_w32(0x54000000 | (offset << 5) | COND_PL);
}
-static void emit_jge(int a)
+static void emit_jl(const void *a)
{
- assem_debug("bge %x\n",a);
- assert(0);
+ assem_debug("blt %p\n", a);
+ u_int offset = genjmpcc(a);
+ output_w32(0x54000000 | (offset << 5) | COND_LT);
}
-static void emit_jno(int a)
+static void emit_jge(const void *a)
{
- assem_debug("bvc %x\n",a);
- assert(0);
+ assem_debug("bge %p\n", a);
+ u_int offset = genjmpcc(a);
+ output_w32(0x54000000 | (offset << 5) | COND_GE);
}
-static void emit_jc(int a)
+static void emit_jno(const void *a)
{
- assem_debug("bcs %x\n",a);
- assert(0);
+ assem_debug("bvc %p\n", a);
+ u_int offset = genjmpcc(a);
+ output_w32(0x54000000 | (offset << 5) | COND_VC);
}
-static void emit_jcc(void *a_)
+static void emit_jc(const void *a)
{
- uintptr_t a = (uintptr_t)a_;
- assem_debug("bcc %p\n", a_);
- assert(0);
+ assem_debug("bcs %p\n", a);
+ u_int offset = genjmpcc(a);
+ output_w32(0x54000000 | (offset << 5) | COND_CS);
}
-static void emit_callreg(u_int r)
+static void emit_cb(u_int isnz, u_int is64, const void *a, u_int r)
{
- assert(r < 31);
- assem_debug("blx %s\n", regname[r]);
- assert(0);
+ assem_debug("cb%sz %s,%p\n", isnz?"n":"", is64?regname64[r]:regname[r], a);
+ u_int offset = genjmpcc(a);
+ is64 = is64 ? 0x80000000 : 0;
+ isnz = isnz ? 0x01000000 : 0;
+ output_w32(0x34000000 | is64 | isnz | imm19_rt(offset, r));
+}
+
+static void emit_cbz(const void *a, u_int r)
+{
+ emit_cb(0, 0, a, r);
}
static void emit_jmpreg(u_int r)
{
- assem_debug("mov pc,%s\n",regname[r]);
- assert(0);
+ assem_debug("br %s\n", regname64[r]);
+ output_w32(0xd61f0000 | rm_rn_rd(0, r, 0));
}
static void emit_retreg(u_int r)
{
- assem_debug("ret %s\n", r == LR ? "" : regname[r]);
+ assem_debug("ret %s\n", r == LR ? "" : regname64[r]);
output_w32(0xd65f0000 | rm_rn_rd(0, r, 0));
}
emit_retreg(LR);
}
-static void emit_readword_indexed(int offset, u_int rs, u_int rt)
+static void emit_adr(void *addr, u_int rt)
{
- assem_debug("ldr %s,%s+%d\n",regname[rt],regname[rs],offset);
- assert(0);
+ intptr_t offset = (u_char *)addr - out;
+ assert(-1048576 <= offset && offset < 1048576);
+ assert(rt < 31);
+ assem_debug("adr x%d,#%#lx\n", rt, offset);
+ output_w32(0x10000000 | ((offset&0x3) << 29) | (((offset>>2)&0x7ffff) << 5) | rt);
}
-static void emit_readword_dualindexedx4(u_int rs1, u_int rs2, u_int rt)
+static void emit_adrp(void *addr, u_int rt)
{
- assem_debug("ldr %s,%s,%s lsl #2\n",regname[rt],regname[rs1],regname[rs2]);
- assert(0);
+ intptr_t offset = ((intptr_t)addr & ~0xfffl) - ((intptr_t)out & ~0xfffl);
+ assert(-4294967296l <= offset && offset < 4294967296l);
+ assert(rt < 31);
+ offset >>= 12;
+ assem_debug("adrp %s,#%#lx(000)\n",regname64[rt],offset);
+ output_w32(0x90000000 | ((offset&0x3)<<29) | (((offset>>2)&0x7ffff)<<5) | rt);
}
-static void emit_ldrcc_dualindexed(u_int rs1, u_int rs2, u_int rt)
+static void emit_readword_indexed(int offset, u_int rs, u_int rt)
{
- assem_debug("ldrcc %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
- assert(0);
+ assem_debug("ldur %s,[%s+%#x]\n",regname[rt],regname64[rs],offset);
+ assert(-256 <= offset && offset < 256);
+ output_w32(0xb8400000 | imm9_rn_rt(offset&0x1ff, rs, rt));
}
-static void emit_ldrccb_dualindexed(u_int rs1, u_int rs2, u_int rt)
+static void emit_strb_dualindexed(u_int rs1, u_int rs2, u_int rt)
{
- assem_debug("ldrccb %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
- assert(0);
+ assem_debug("strb %s, [%s,%s]\n",regname[rt],regname64[rs1],regname[rs2]);
+ output_w32(0x38204800 | rm_rn_rd(rs2, rs1, rt));
}
-static void emit_ldrccsb_dualindexed(u_int rs1, u_int rs2, u_int rt)
+static void emit_strh_dualindexed(u_int rs1, u_int rs2, u_int rt)
{
- assem_debug("ldrccsb %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
- assert(0);
+ assem_debug("strh %s, [%s,%s]\n",regname[rt],regname64[rs1],regname[rs2]);
+ output_w32(0x78204800 | rm_rn_rd(rs2, rs1, rt));
}
-static void emit_ldrcch_dualindexed(u_int rs1, u_int rs2, u_int rt)
+static void emit_str_dualindexed(u_int rs1, u_int rs2, u_int rt)
{
- assem_debug("ldrcch %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
- assert(0);
+ assem_debug("str %s, [%s,%s]\n",regname[rt],regname64[rs1],regname[rs2]);
+ output_w32(0xb8204800 | rm_rn_rd(rs2, rs1, rt));
}
-static void emit_ldrccsh_dualindexed(u_int rs1, u_int rs2, u_int rt)
+static void emit_readdword_dualindexedx8(u_int rs1, u_int rs2, u_int rt)
{
- assem_debug("ldrccsh %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
- assert(0);
+ assem_debug("ldr %s, [%s,%s, uxtw #3]\n",regname64[rt],regname64[rs1],regname[rs2]);
+ output_w32(0xf8605800 | rm_rn_rd(rs2, rs1, rt));
}
-static void emit_movsbl_indexed(int offset, u_int rs, u_int rt)
+static void emit_ldrb_dualindexed(u_int rs1, u_int rs2, u_int rt)
{
- assem_debug("ldrsb %s,%s+%d\n",regname[rt],regname[rs],offset);
- assert(0);
+ assem_debug("ldrb %s, [%s,%s]\n",regname[rt],regname64[rs1],regname[rs2]);
+ output_w32(0x38604800 | rm_rn_rd(rs2, rs1, rt));
}
-static void emit_movswl_indexed(int offset, u_int rs, u_int rt)
+static void emit_ldrsb_dualindexed(u_int rs1, u_int rs2, u_int rt)
{
- assem_debug("ldrsh %s,%s+%d\n",regname[rt],regname[rs],offset);
- assert(0);
+ assem_debug("ldrsb %s, [%s,%s]\n",regname[rt],regname64[rs1],regname[rs2]);
+ output_w32(0x38a04800 | rm_rn_rd(rs2, rs1, rt));
}
-static void emit_movzbl_indexed(int offset, u_int rs, u_int rt)
+static void emit_ldrh_dualindexed(u_int rs1, u_int rs2, u_int rt)
{
- assem_debug("ldrb %s,%s+%d\n",regname[rt],regname[rs],offset);
- assert(0);
+ assem_debug("ldrh %s, [%s,%s, uxtw]\n",regname[rt],regname64[rs1],regname[rs2]);
+ output_w32(0x78604800 | rm_rn_rd(rs2, rs1, rt));
}
-static void emit_movzwl_indexed(int offset, u_int rs, u_int rt)
+static void emit_ldrsh_dualindexed(u_int rs1, u_int rs2, u_int rt)
{
- assem_debug("ldrh %s,%s+%d\n",regname[rt],regname[rs],offset);
- assert(0);
+ assem_debug("ldrsh %s, [%s,%s, uxtw]\n",regname[rt],regname64[rs1],regname[rs2]);
+ output_w32(0x78a04800 | rm_rn_rd(rs2, rs1, rt));
}
-static void emit_ldrd(int offset, u_int rs, u_int rt)
+static void emit_ldr_dualindexed(u_int rs1, u_int rs2, u_int rt)
{
- assem_debug("ldrd %s,%s+%d\n",regname[rt],regname[rs],offset);
- assert(0);
+ assem_debug("ldr %s, [%s,%s, uxtw]\n",regname[rt],regname64[rs1],regname[rs2]);
+ output_w32(0xb8604800 | rm_rn_rd(rs2, rs1, rt));
}
-static void emit_readword(void *addr, u_int rt)
+static void emit_movsbl_indexed(int offset, u_int rs, u_int rt)
{
- uintptr_t offset = (u_char *)addr - (u_char *)&dynarec_local;
- assert(offset<4096);
- assem_debug("ldr %s,fp+%lx\n", regname[rt], offset);
- assert(0);
+ assem_debug("ldursb %s,[%s+%#x]\n",regname[rt],regname64[rs],offset);
+ assert(-256 <= offset && offset < 256);
+ output_w32(0x38c00000 | imm9_rn_rt(offset&0x1ff, rs, rt));
}
-static void emit_writeword_indexed(u_int rt, int offset, u_int rs)
+static void emit_movswl_indexed(int offset, u_int rs, u_int rt)
{
- assert(offset>-4096&&offset<4096);
- assem_debug("str %s,%s+%x\n",regname[rt],regname[rs],offset);
- assert(0);
+ assem_debug("ldursh %s,[%s+%#x]\n",regname[rt],regname64[rs],offset);
+ assert(-256 <= offset && offset < 256);
+ output_w32(0x78c00000 | imm9_rn_rt(offset&0x1ff, rs, rt));
}
-static void emit_writehword_indexed(u_int rt, int offset, u_int rs)
+static void emit_movzbl_indexed(int offset, u_int rs, u_int rt)
{
- assert(offset>-256&&offset<256);
- assem_debug("strh %s,%s+%d\n",regname[rt],regname[rs],offset);
- assert(0);
+ assem_debug("ldurb %s,[%s+%#x]\n",regname[rt],regname64[rs],offset);
+ assert(-256 <= offset && offset < 256);
+ output_w32(0x38400000 | imm9_rn_rt(offset&0x1ff, rs, rt));
}
-static void emit_writebyte_indexed(u_int rt, int offset, u_int rs)
+static void emit_movzwl_indexed(int offset, u_int rs, u_int rt)
{
- assert(offset>-4096&&offset<4096);
- assem_debug("strb %s,%s+%d\n",regname[rt],regname[rs],offset);
- assert(0);
+ assem_debug("ldurh %s,[%s+%#x]\n",regname[rt],regname64[rs],offset);
+ assert(-256 <= offset && offset < 256);
+ output_w32(0x78400000 | imm9_rn_rt(offset&0x1ff, rs, rt));
}
-static void emit_strcc_dualindexed(u_int rs1, u_int rs2, u_int rt)
+static void emit_writeword_indexed(u_int rt, int offset, u_int rs)
{
- assem_debug("strcc %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
- assert(0);
+ if (!(offset & 3) && (u_int)offset <= 16380) {
+ assem_debug("str %s,[%s+%#x]\n", regname[rt], regname[rs], offset);
+ output_w32(0xb9000000 | imm12_rn_rd(offset >> 2, rs, rt));
+ }
+ else if (-256 <= offset && offset < 256) {
+ assem_debug("stur %s,[%s+%#x]\n", regname[rt], regname[rs], offset);
+ output_w32(0xb8000000 | imm9_rn_rt(offset & 0x1ff, rs, rt));
+ }
+ else
+ assert(0);
}
-static void emit_strccb_dualindexed(u_int rs1, u_int rs2, u_int rt)
+static void emit_writehword_indexed(u_int rt, int offset, u_int rs)
{
- assem_debug("strccb %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
- assert(0);
+ if (!(offset & 1) && (u_int)offset <= 8190) {
+ assem_debug("strh %s,[%s+%#x]\n", regname[rt], regname64[rs], offset);
+ output_w32(0x79000000 | imm12_rn_rd(offset >> 1, rs, rt));
+ }
+ else if (-256 <= offset && offset < 256) {
+ assem_debug("sturh %s,[%s+%#x]\n", regname[rt], regname64[rs], offset);
+ output_w32(0x78000000 | imm9_rn_rt(offset & 0x1ff, rs, rt));
+ }
+ else
+ assert(0);
}
-static void emit_strcch_dualindexed(u_int rs1, u_int rs2, u_int rt)
+static void emit_writebyte_indexed(u_int rt, int offset, u_int rs)
{
- assem_debug("strcch %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
- assert(0);
+ if ((u_int)offset < 4096) {
+ assem_debug("strb %s,[%s+%#x]\n", regname[rt], regname64[rs], offset);
+ output_w32(0x39000000 | imm12_rn_rd(offset, rs, rt));
+ }
+ else if (-256 <= offset && offset < 256) {
+ assem_debug("sturb %s,[%s+%#x]\n", regname[rt], regname64[rs], offset);
+ output_w32(0x38000000 | imm9_rn_rt(offset & 0x1ff, rs, rt));
+ }
+ else
+ assert(0);
}
-static void emit_writeword(u_int rt, void *addr)
+static void emit_umull(u_int rs1, u_int rs2, u_int rt)
{
- uintptr_t offset = (u_char *)addr - (u_char *)&dynarec_local;
- assert(offset<4096);
- assem_debug("str %s,fp+%lx\n", regname[rt], offset);
- assert(0);
+ assem_debug("umull %s,%s,%s\n",regname64[rt],regname[rs1],regname[rs2]);
+ output_w32(0x9ba00000 | rm_ra_rn_rd(rs2, WZR, rs1, rt));
}
-static void emit_umull(u_int rs1, u_int rs2, u_int hi, u_int lo)
+static void emit_smull(u_int rs1, u_int rs2, u_int rt)
{
- assem_debug("umull %s, %s, %s, %s\n",regname[lo],regname[hi],regname[rs1],regname[rs2]);
- assert(rs1<16);
- assert(rs2<16);
- assert(hi<16);
- assert(lo<16);
- assert(0);
+ assem_debug("smull %s,%s,%s\n",regname64[rt],regname[rs1],regname[rs2]);
+ output_w32(0x9b200000 | rm_ra_rn_rd(rs2, WZR, rs1, rt));
}
-static void emit_smull(u_int rs1, u_int rs2, u_int hi, u_int lo)
+static void emit_msub(u_int rs1, u_int rs2, u_int rs3, u_int rt)
{
- assem_debug("smull %s, %s, %s, %s\n",regname[lo],regname[hi],regname[rs1],regname[rs2]);
- assert(rs1<16);
- assert(rs2<16);
- assert(hi<16);
- assert(lo<16);
- assert(0);
+ assem_debug("msub %s,%s,%s,%s\n",regname[rt],regname[rs1],regname[rs2],regname[rs3]);
+ output_w32(0x1b008000 | rm_ra_rn_rd(rs2, rs3, rs1, rt));
}
-static void emit_clz(u_int rs,u_int rt)
+static void emit_sdiv(u_int rs1, u_int rs2, u_int rt)
{
- assem_debug("clz %s,%s\n",regname[rt],regname[rs]);
- assert(0);
+ assem_debug("sdiv %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
+ output_w32(0x1ac00c00 | rm_rn_rd(rs2, rs1, rt));
}
-// Load 2 immediates optimizing for small code size
-static void emit_mov2imm_compact(int imm1,u_int rt1,int imm2,u_int rt2)
+static void emit_udiv(u_int rs1, u_int rs2, u_int rt)
{
- assert(0);
+ assem_debug("udiv %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
+ output_w32(0x1ac00800 | rm_rn_rd(rs2, rs1, rt));
}
-// Conditionally select one of two immediates, optimizing for small code size
-// This will only be called if HAVE_CMOV_IMM is defined
-static void emit_cmov2imm_e_ne_compact(int imm1,int imm2,u_int rt)
+static void emit_clz(u_int rs, u_int rt)
{
- assert(0);
+ assem_debug("clz %s,%s\n",regname[rt],regname[rs]);
+ output_w32(0x5ac01000 | rn_rd(rs, rt));
}
// special case for checking invalid_code
-static void emit_cmpmem_indexedsr12_reg(int base,u_int r,int imm)
+static void emit_cmpmem_indexedsr12_reg(u_int rbase, u_int r, u_int imm)
{
- assert(imm<128&&imm>=0);
- assert(r>=0&&r<16);
- assem_debug("ldrb lr,%s,%s lsr #12\n",regname[base],regname[r]);
- assert(0);
+ host_tempreg_acquire();
+ emit_shrimm(r, 12, HOST_TEMPREG);
+ assem_debug("ldrb %s,[%s,%s,uxtw]\n",regname[HOST_TEMPREG],regname64[rbase],regname[HOST_TEMPREG]);
+ output_w32(0x38604800 | rm_rn_rd(HOST_TEMPREG, rbase, HOST_TEMPREG));
+ emit_cmpimm(HOST_TEMPREG, imm);
+ host_tempreg_release();
}
-// Used to preload hash table entries
-static unused void emit_prefetchreg(u_int r)
+// special for loadlr_assemble, rs2 is destroyed
+static void emit_bic_lsl(u_int rs1,u_int rs2,u_int shift,u_int rt)
{
- assem_debug("pld %s\n",regname[r]);
- assert(0);
+ emit_shl(rs2, shift, rs2);
+ emit_bic(rs1, rs2, rt);
}
-// Special case for mini_ht
-static void emit_ldreq_indexed(u_int rs, u_int offset, u_int rt)
+static void emit_bic_lsr(u_int rs1,u_int rs2,u_int shift,u_int rt)
{
- assert(offset<4096);
- assem_debug("ldreq %s,[%s, #%d]\n",regname[rt],regname[rs],offset);
- assert(0);
+ emit_shr(rs2, shift, rs2);
+ emit_bic(rs1, rs2, rt);
}
-static void emit_orrne_imm(u_int rs,int imm,u_int rt)
+static void emit_loadlp_ofs(u_int ofs, u_int rt)
{
- assem_debug("orrne %s,%s,#%d\n",regname[rt],regname[rs],imm);
- assert(0);
+ output_w32(0x58000000 | imm19_rt(ofs, rt));
}
-static void emit_andne_imm(u_int rs,int imm,u_int rt)
+static void emit_ldst(int is_st, int is64, u_int rt, u_int rn, u_int ofs)
{
- assem_debug("andne %s,%s,#%d\n",regname[rt],regname[rs],imm);
- assert(0);
+ u_int op = 0xb9000000;
+ unused const char *ldst = is_st ? "st" : "ld";
+ unused char rp = is64 ? 'x' : 'w';
+ assem_debug("%sr %c%d,[x%d,#%#x]\n", ldst, rp, rt, rn, ofs);
+ is64 = is64 ? 1 : 0;
+ assert((ofs & ((1 << (2+is64)) - 1)) == 0);
+ ofs = (ofs >> (2+is64));
+ if (!is_st) op |= 0x00400000;
+ if (is64) op |= 0x40000000;
+ output_w32(op | imm12_rn_rd(ofs, rn, rt));
}
-static unused void emit_addpl_imm(u_int rs,int imm,u_int rt)
+static void emit_ldstp(int is_st, int is64, u_int rt1, u_int rt2, u_int rn, int ofs)
{
- assem_debug("addpl %s,%s,#%d\n",regname[rt],regname[rs],imm);
- assert(0);
+ u_int op = 0x29000000;
+ unused const char *ldst = is_st ? "st" : "ld";
+ unused char rp = is64 ? 'x' : 'w';
+ assem_debug("%sp %c%d,%c%d,[x%d,#%#x]\n", ldst, rp, rt1, rp, rt2, rn, ofs);
+ is64 = is64 ? 1 : 0;
+ assert((ofs & ((1 << (2+is64)) - 1)) == 0);
+ ofs = (ofs >> (2+is64));
+ assert(-64 <= ofs && ofs <= 63);
+ ofs &= 0x7f;
+ if (!is_st) op |= 0x00400000;
+ if (is64) op |= 0x80000000;
+ output_w32(op | imm7_rt2_rn_rt(ofs, rt2, rn, rt1));
}
-static void save_regs_all(u_int reglist)
+static void save_load_regs_all(int is_store, u_int reglist)
{
- if(!reglist) return;
- assert(0);
-}
-
-static void restore_regs_all(u_int reglist)
-{
- if(!reglist) return;
- assert(0);
+ int ofs = 0, c = 0;
+ u_int r, pair[2];
+ for (r = 0; reglist; r++, reglist >>= 1) {
+ if (reglist & 1)
+ pair[c++] = r;
+ if (c == 2) {
+ emit_ldstp(is_store, 1, pair[0], pair[1], SP, SSP_CALLEE_REGS + ofs);
+ ofs += 8 * 2;
+ c = 0;
+ }
+ }
+ if (c) {
+ emit_ldst(is_store, 1, pair[0], SP, SSP_CALLEE_REGS + ofs);
+ ofs += 8;
+ }
+ assert(ofs <= SSP_CALLER_REGS);
}
// Save registers before function call
static void save_regs(u_int reglist)
{
reglist &= CALLER_SAVE_REGS; // only save the caller-save registers
- save_regs_all(reglist);
+ save_load_regs_all(1, reglist);
}
// Restore registers after function call
static void restore_regs(u_int reglist)
{
reglist &= CALLER_SAVE_REGS;
- restore_regs_all(reglist);
+ save_load_regs_all(0, reglist);
}
/* Stubs/epilogue */
{
}
-static void emit_extjump2(u_char *addr, int target, void *linker)
+// parsed by get_pointer, find_extjump_insn
+static void emit_extjump2(u_char *addr, u_int target, void *linker)
{
- assert(0);
+ assert(((addr[3]&0xfc)==0x14) || ((addr[3]&0xff)==0x54)); // b or b.cond
+
+ emit_movz(target & 0xffff, 0);
+ emit_movk_lsl16(target >> 16, 0);
+
+ // addr is in the current recompiled block (max 256k)
+ // offset shouldn't exceed +/-1MB
+ emit_adr(addr, 1);
+ emit_far_jump(linker);
}
-static void emit_extjump(void *addr, int target)
+static void check_extjump2(void *src)
{
- emit_extjump2(addr, target, dyna_linker);
+ u_int *ptr = src;
+ assert((ptr[0] & 0xffe0001f) == 0x52800000); // movz r0, #val
+ (void)ptr;
}
-static void emit_extjump_ds(void *addr, int target)
+// put rt_val into rt, potentially making use of rs with value rs_val
+static void emit_movimm_from(u_int rs_val, u_int rs, u_int rt_val, u_int rt)
{
- emit_extjump2(addr, target, dyna_linker_ds);
+ int diff = rt_val - rs_val;
+ if ((-4096 < diff && diff < 4096)
+ || (-16777216 < diff && diff < 16777216 && !(diff & 0xfff)))
+ emit_addimm(rs, diff, rt);
+ else if (rt_val == ~rs_val)
+ emit_not(rs, rt);
+ else if (is_rotated_mask(rs_val ^ rt_val))
+ emit_xorimm(rs, rs_val ^ rt_val, rt);
+ else
+ emit_movimm(rt_val, rt);
}
-// put rt_val into rt, potentially making use of rs with value rs_val
-static void emit_movimm_from(u_int rs_val,u_int rs,u_int rt_val,u_int rt)
+// return 1 if the above function can do it's job cheaply
+static int is_similar_value(u_int v1, u_int v2)
{
- assert(0);
+ int diff = v1 - v2;
+ return (-4096 < diff && diff < 4096)
+ || (-16777216 < diff && diff < 16777216 && !(diff & 0xfff))
+ || v1 == ~v2
+ || is_rotated_mask(v1 ^ v2);
}
-// return 1 if above function can do it's job cheaply
-static int is_similar_value(u_int v1,u_int v2)
+// trashes r2
+static void pass_args64(u_int a0, u_int a1)
{
- assert(0);
- return 0;
+ if(a0==1&&a1==0) {
+ // must swap
+ emit_mov64(a0,2); emit_mov64(a1,1); emit_mov64(2,0);
+ }
+ else if(a0!=0&&a1==0) {
+ emit_mov64(a1,1);
+ if (a0>=0) emit_mov64(a0,0);
+ }
+ else {
+ if(a0>=0&&a0!=0) emit_mov64(a0,0);
+ if(a1>=0&&a1!=1) emit_mov64(a1,1);
+ }
+}
+
+static void loadstore_extend(enum stub_type type, u_int rs, u_int rt)
+{
+ switch(type) {
+ case LOADB_STUB: emit_sbfm(rs, 7, rt); break;
+ case LOADBU_STUB:
+ case STOREB_STUB: emit_ubfm(rs, 7, rt); break;
+ case LOADH_STUB: emit_sbfm(rs, 15, rt); break;
+ case LOADHU_STUB:
+ case STOREH_STUB: emit_ubfm(rs, 15, rt); break;
+ case LOADW_STUB:
+ case STOREW_STUB: if (rs != rt) emit_mov(rs, rt); break;
+ default: assert(0);
+ }
}
-//#include "pcsxmem.h"
+#include "pcsxmem.h"
//#include "pcsxmem_inline.c"
static void do_readstub(int n)
{
assem_debug("do_readstub %x\n",start+stubs[n].a*4);
- assert(0);
-}
+ set_jump_target(stubs[n].addr, out);
+ enum stub_type type = stubs[n].type;
+ int i = stubs[n].a;
+ int rs = stubs[n].b;
+ const struct regstat *i_regs = (void *)stubs[n].c;
+ u_int reglist = stubs[n].e;
+ const signed char *i_regmap = i_regs->regmap;
+ int rt;
+ if(itype[i]==C1LS||itype[i]==C2LS||itype[i]==LOADLR) {
+ rt=get_reg(i_regmap,FTEMP);
+ }else{
+ rt=get_reg(i_regmap,rt1[i]);
+ }
+ assert(rs>=0);
+ int r,temp=-1,temp2=HOST_TEMPREG,regs_saved=0;
+ void *restore_jump = NULL, *handler_jump = NULL;
+ reglist|=(1<<rs);
+ for (r = 0; r < HOST_CCREG; r++) {
+ if (r != EXCLUDE_REG && ((1 << r) & reglist) == 0) {
+ temp = r;
+ break;
+ }
+ }
+ if(rt>=0&&rt1[i]!=0)
+ reglist&=~(1<<rt);
+ if(temp==-1) {
+ save_regs(reglist);
+ regs_saved=1;
+ temp=(rs==0)?2:0;
+ }
+ if((regs_saved||(reglist&2)==0)&&temp!=1&&rs!=1)
+ temp2=1;
+ emit_readdword(&mem_rtab,temp);
+ emit_shrimm(rs,12,temp2);
+ emit_readdword_dualindexedx8(temp,temp2,temp2);
+ emit_adds64(temp2,temp2,temp2);
+ handler_jump=out;
+ emit_jc(0);
+ if(itype[i]==C1LS||itype[i]==C2LS||(rt>=0&&rt1[i]!=0)) {
+ switch(type) {
+ case LOADB_STUB: emit_ldrsb_dualindexed(temp2,rs,rt); break;
+ case LOADBU_STUB: emit_ldrb_dualindexed(temp2,rs,rt); break;
+ case LOADH_STUB: emit_ldrsh_dualindexed(temp2,rs,rt); break;
+ case LOADHU_STUB: emit_ldrh_dualindexed(temp2,rs,rt); break;
+ case LOADW_STUB: emit_ldr_dualindexed(temp2,rs,rt); break;
+ default: assert(0);
+ }
+ }
+ if(regs_saved) {
+ restore_jump=out;
+ emit_jmp(0); // jump to reg restore
+ }
+ else
+ emit_jmp(stubs[n].retaddr); // return address
+ set_jump_target(handler_jump, out);
+
+ if(!regs_saved)
+ save_regs(reglist);
+ void *handler=NULL;
+ if(type==LOADB_STUB||type==LOADBU_STUB)
+ handler=jump_handler_read8;
+ if(type==LOADH_STUB||type==LOADHU_STUB)
+ handler=jump_handler_read16;
+ if(type==LOADW_STUB)
+ handler=jump_handler_read32;
+ assert(handler);
+ pass_args64(rs,temp2);
+ int cc=get_reg(i_regmap,CCREG);
+ if(cc<0)
+ emit_loadreg(CCREG,2);
+ emit_addimm(cc<0?2:cc,CLOCK_ADJUST((int)stubs[n].d),2);
+ emit_far_call(handler);
+ // (no cycle reload after read)
+ if(itype[i]==C1LS||itype[i]==C2LS||(rt>=0&&rt1[i]!=0)) {
+ loadstore_extend(type,0,rt);
+ }
+ if(restore_jump)
+ set_jump_target(restore_jump, out);
+ restore_regs(reglist);
+ emit_jmp(stubs[n].retaddr);
+}
+
+static void inline_readstub(enum stub_type type, int i, u_int addr,
+ const signed char regmap[], int target, int adj, u_int reglist)
+{
+ int rs=get_reg(regmap,target);
+ int rt=get_reg(regmap,target);
+ if(rs<0) rs=get_reg(regmap,-1);
+ assert(rs>=0);
+ u_int is_dynamic=0;
+ uintptr_t host_addr = 0;
+ void *handler;
+ int cc=get_reg(regmap,CCREG);
+ //if(pcsx_direct_read(type,addr,CLOCK_ADJUST(adj),cc,target?rs:-1,rt))
+ // return;
+ handler = get_direct_memhandler(mem_rtab, addr, type, &host_addr);
+ if (handler == NULL) {
+ if(rt<0||rt1[i]==0)
+ return;
+ if (addr != host_addr) {
+ if (host_addr >= 0x100000000ull)
+ abort(); // ROREG not implemented
+ emit_movimm_from(addr, rs, host_addr, rs);
+ }
+ switch(type) {
+ case LOADB_STUB: emit_movsbl_indexed(0,rs,rt); break;
+ case LOADBU_STUB: emit_movzbl_indexed(0,rs,rt); break;
+ case LOADH_STUB: emit_movswl_indexed(0,rs,rt); break;
+ case LOADHU_STUB: emit_movzwl_indexed(0,rs,rt); break;
+ case LOADW_STUB: emit_readword_indexed(0,rs,rt); break;
+ default: assert(0);
+ }
+ return;
+ }
+ is_dynamic=pcsxmem_is_handler_dynamic(addr);
+ if(is_dynamic) {
+ if(type==LOADB_STUB||type==LOADBU_STUB)
+ handler=jump_handler_read8;
+ if(type==LOADH_STUB||type==LOADHU_STUB)
+ handler=jump_handler_read16;
+ if(type==LOADW_STUB)
+ handler=jump_handler_read32;
+ }
-static void inline_readstub(enum stub_type type, int i, u_int addr, signed char regmap[], int target, int adj, u_int reglist)
-{
- assert(0);
+ // call a memhandler
+ if(rt>=0&&rt1[i]!=0)
+ reglist&=~(1<<rt);
+ save_regs(reglist);
+ if(target==0)
+ emit_movimm(addr,0);
+ else if(rs!=0)
+ emit_mov(rs,0);
+ if(cc<0)
+ emit_loadreg(CCREG,2);
+ emit_addimm(cc<0?2:cc,CLOCK_ADJUST(adj),2);
+ if(is_dynamic) {
+ uintptr_t l1 = ((uintptr_t *)mem_rtab)[addr>>12] << 1;
+ emit_adrp((void *)l1, 1);
+ emit_addimm64(1, l1 & 0xfff, 1);
+ }
+ else
+ emit_far_call(do_memhandler_pre);
+
+ emit_far_call(handler);
+
+ // (no cycle reload after read)
+ if(rt>=0&&rt1[i]!=0)
+ loadstore_extend(type, 0, rt);
+ restore_regs(reglist);
}
static void do_writestub(int n)
{
assem_debug("do_writestub %x\n",start+stubs[n].a*4);
- assert(0);
+ set_jump_target(stubs[n].addr, out);
+ enum stub_type type=stubs[n].type;
+ int i=stubs[n].a;
+ int rs=stubs[n].b;
+ struct regstat *i_regs=(struct regstat *)stubs[n].c;
+ u_int reglist=stubs[n].e;
+ signed char *i_regmap=i_regs->regmap;
+ int rt,r;
+ if(itype[i]==C1LS||itype[i]==C2LS) {
+ rt=get_reg(i_regmap,r=FTEMP);
+ }else{
+ rt=get_reg(i_regmap,r=rs2[i]);
+ }
+ assert(rs>=0);
+ assert(rt>=0);
+ int rtmp,temp=-1,temp2,regs_saved=0;
+ void *restore_jump = NULL, *handler_jump = NULL;
+ int reglist2=reglist|(1<<rs)|(1<<rt);
+ for (rtmp = 0; rtmp < HOST_CCREG; rtmp++) {
+ if (rtmp != EXCLUDE_REG && ((1 << rtmp) & reglist) == 0) {
+ temp = rtmp;
+ break;
+ }
+ }
+ if(temp==-1) {
+ save_regs(reglist);
+ regs_saved=1;
+ for(rtmp=0;rtmp<=3;rtmp++)
+ if(rtmp!=rs&&rtmp!=rt)
+ {temp=rtmp;break;}
+ }
+ if((regs_saved||(reglist2&8)==0)&&temp!=3&&rs!=3&&rt!=3)
+ temp2=3;
+ else {
+ host_tempreg_acquire();
+ temp2=HOST_TEMPREG;
+ }
+ emit_readdword(&mem_wtab,temp);
+ emit_shrimm(rs,12,temp2);
+ emit_readdword_dualindexedx8(temp,temp2,temp2);
+ emit_adds64(temp2,temp2,temp2);
+ handler_jump=out;
+ emit_jc(0);
+ switch(type) {
+ case STOREB_STUB: emit_strb_dualindexed(temp2,rs,rt); break;
+ case STOREH_STUB: emit_strh_dualindexed(temp2,rs,rt); break;
+ case STOREW_STUB: emit_str_dualindexed(temp2,rs,rt); break;
+ default: assert(0);
+ }
+ if(regs_saved) {
+ restore_jump=out;
+ emit_jmp(0); // jump to reg restore
+ }
+ else
+ emit_jmp(stubs[n].retaddr); // return address (invcode check)
+ set_jump_target(handler_jump, out);
+
+ // TODO FIXME: regalloc should prefer callee-saved regs
+ if(!regs_saved)
+ save_regs(reglist);
+ void *handler=NULL;
+ switch(type) {
+ case STOREB_STUB: handler=jump_handler_write8; break;
+ case STOREH_STUB: handler=jump_handler_write16; break;
+ case STOREW_STUB: handler=jump_handler_write32; break;
+ default: assert(0);
+ }
+ assert(handler);
+ pass_args(rs,rt);
+ if(temp2!=3) {
+ emit_mov64(temp2,3);
+ host_tempreg_release();
+ }
+ int cc=get_reg(i_regmap,CCREG);
+ if(cc<0)
+ emit_loadreg(CCREG,2);
+ emit_addimm(cc<0?2:cc,CLOCK_ADJUST((int)stubs[n].d),2);
+ // returns new cycle_count
+ emit_far_call(handler);
+ emit_addimm(0,-CLOCK_ADJUST((int)stubs[n].d),cc<0?2:cc);
+ if(cc<0)
+ emit_storereg(CCREG,2);
+ if(restore_jump)
+ set_jump_target(restore_jump, out);
+ restore_regs(reglist);
+ emit_jmp(stubs[n].retaddr);
+}
+
+static void inline_writestub(enum stub_type type, int i, u_int addr,
+ const signed char regmap[], int target, int adj, u_int reglist)
+{
+ int rs = get_reg(regmap,-1);
+ int rt = get_reg(regmap,target);
+ assert(rs >= 0);
+ assert(rt >= 0);
+ uintptr_t host_addr = 0;
+ void *handler = get_direct_memhandler(mem_wtab, addr, type, &host_addr);
+ if (handler == NULL) {
+ if (addr != host_addr) {
+ if (host_addr >= 0x100000000ull)
+ abort(); // ROREG not implemented
+ emit_movimm_from(addr, rs, host_addr, rs);
+ }
+ switch (type) {
+ case STOREB_STUB: emit_writebyte_indexed(rt, 0, rs); break;
+ case STOREH_STUB: emit_writehword_indexed(rt, 0, rs); break;
+ case STOREW_STUB: emit_writeword_indexed(rt, 0, rs); break;
+ default: assert(0);
+ }
+ return;
+ }
+
+ // call a memhandler
+ save_regs(reglist);
+ emit_writeword(rs, &address); // some handlers still need it
+ loadstore_extend(type, rt, 0);
+ int cc, cc_use;
+ cc = cc_use = get_reg(regmap, CCREG);
+ if (cc < 0)
+ emit_loadreg(CCREG, (cc_use = 2));
+ emit_addimm(cc_use, CLOCK_ADJUST(adj), 2);
+
+ emit_far_call(do_memhandler_pre);
+ emit_far_call(handler);
+ emit_far_call(do_memhandler_post);
+ emit_addimm(0, -CLOCK_ADJUST(adj), cc_use);
+ if (cc < 0)
+ emit_storereg(CCREG, cc_use);
+ restore_regs(reglist);
}
-static void inline_writestub(enum stub_type type, int i, u_int addr, signed char regmap[], int target, int adj, u_int reglist)
+static int verify_code_arm64(const void *source, const void *copy, u_int size)
{
- assert(0);
+ int ret = memcmp(source, copy, size);
+ //printf("%s %p,%#x = %d\n", __func__, source, size, ret);
+ return ret;
}
-static void do_unalignedwritestub(int n)
+// this output is parsed by verify_dirty, get_bounds, isclean, get_clean_addr
+static void do_dirty_stub_base(u_int vaddr)
{
- assem_debug("do_unalignedwritestub %x\n",start+stubs[n].a*4);
- assert(0);
+ assert(slen <= MAXBLOCK);
+ emit_loadlp_ofs(0, 0); // ldr x1, source
+ emit_loadlp_ofs(0, 1); // ldr x2, copy
+ emit_movz(slen*4, 2);
+ emit_far_call(verify_code_arm64);
+ void *jmp = out;
+ emit_cbz(0, 0);
+ emit_movz(vaddr & 0xffff, 0);
+ emit_movk_lsl16(vaddr >> 16, 0);
+ emit_far_call(get_addr);
+ emit_jmpreg(0);
+ set_jump_target(jmp, out);
}
-static void do_invstub(int n)
+static void assert_dirty_stub(const u_int *ptr)
{
- assert(0);
+ assert((ptr[0] & 0xff00001f) == 0x58000000); // ldr x0, source
+ assert((ptr[1] & 0xff00001f) == 0x58000001); // ldr x1, copy
+ assert((ptr[2] & 0xffe0001f) == 0x52800002); // movz w2, #slen*4
+ assert( ptr[8] == 0xd61f0000); // br x0
+}
+
+static void set_loadlp(u_int *loadl, void *lit)
+{
+ uintptr_t ofs = (u_char *)lit - (u_char *)loadl;
+ assert((*loadl & ~0x1f) == 0x58000000);
+ assert((ofs & 3) == 0);
+ assert(ofs < 0x100000);
+ *loadl |= (ofs >> 2) << 5;
}
-void *do_dirty_stub(int i)
+static void do_dirty_stub_emit_literals(u_int *loadlps)
+{
+ set_loadlp(&loadlps[0], out);
+ output_w64((uintptr_t)source);
+ set_loadlp(&loadlps[1], out);
+ output_w64((uintptr_t)copy);
+}
+
+static void *do_dirty_stub(int i)
{
assem_debug("do_dirty_stub %x\n",start+i*4);
- // Careful about the code output here, verify_dirty needs to parse it.
- assert(0);
+ u_int *loadlps = (void *)out;
+ do_dirty_stub_base(start + i*4);
+ void *entry = out;
load_regs_entry(i);
- return NULL;
+ if (entry == out)
+ entry = instr_addr[i];
+ emit_jmp(instr_addr[i]);
+ do_dirty_stub_emit_literals(loadlps);
+ return entry;
}
-static void do_dirty_stub_ds()
+static void do_dirty_stub_ds(void)
{
- // Careful about the code output here, verify_dirty needs to parse it.
- assert(0);
+ u_int *loadlps = (void *)out;
+ do_dirty_stub_base(start + 1);
+ void *lit_jumpover = out;
+ emit_jmp(out + 8*2);
+ do_dirty_stub_emit_literals(loadlps);
+ set_jump_target(lit_jumpover, out);
+}
+
+static uint64_t get_from_ldr_literal(const u_int *i)
+{
+ signed int ofs;
+ assert((i[0] & 0xff000000) == 0x58000000);
+ ofs = i[0] << 8;
+ ofs >>= 5+8;
+ return *(uint64_t *)(i + ofs);
+}
+
+static uint64_t get_from_movz(const u_int *i)
+{
+ assert((i[0] & 0x7fe00000) == 0x52800000);
+ return (i[0] >> 5) & 0xffff;
+}
+
+// Find the "clean" entry point from a "dirty" entry point
+// by skipping past the call to verify_code
+static void *get_clean_addr(u_int *addr)
+{
+ assert_dirty_stub(addr);
+ return addr + 9;
+}
+
+static int verify_dirty(const u_int *ptr)
+{
+ const void *source, *copy;
+ u_int len;
+ assert_dirty_stub(ptr);
+ source = (void *)get_from_ldr_literal(&ptr[0]); // ldr x1, source
+ copy = (void *)get_from_ldr_literal(&ptr[1]); // ldr x1, copy
+ len = get_from_movz(&ptr[2]); // movz w3, #slen*4
+ return !memcmp(source, copy, len);
+}
+
+static int isclean(void *addr)
+{
+ const u_int *ptr = addr;
+ if ((*ptr >> 24) == 0x58) { // the only place ldr (literal) is used
+ assert_dirty_stub(ptr);
+ return 0;
+ }
+ return 1;
+}
+
+// get source that block at addr was compiled from (host pointers)
+static void get_bounds(void *addr, u_char **start, u_char **end)
+{
+ const u_int *ptr = addr;
+ assert_dirty_stub(ptr);
+ *start = (u_char *)get_from_ldr_literal(&ptr[0]); // ldr x1, source
+ *end = *start + get_from_movz(&ptr[2]); // movz w3, #slen*4
}
/* Special assem */
-#define shift_assemble shift_assemble_arm64
+static void c2op_prologue(u_int op, int i, const struct regstat *i_regs, u_int reglist)
+{
+ save_load_regs_all(1, reglist);
+ cop2_call_stall_check(op, i, i_regs, 0);
+#ifdef PCNT
+ emit_movimm(op, 0);
+ emit_far_call(pcnt_gte_start);
+#endif
+ // pointer to cop2 regs
+ emit_addimm64(FP, (u_char *)&psxRegs.CP2D.r[0] - (u_char *)&dynarec_local, 0);
+}
-static void shift_assemble_arm64(int i,struct regstat *i_regs)
+static void c2op_epilogue(u_int op,u_int reglist)
{
- assert(0);
+#ifdef PCNT
+ emit_movimm(op, 0);
+ emit_far_call(pcnt_gte_end);
+#endif
+ save_load_regs_all(0, reglist);
}
-#define loadlr_assemble loadlr_assemble_arm64
-static void loadlr_assemble_arm64(int i,struct regstat *i_regs)
+static void c2op_assemble(int i, const struct regstat *i_regs)
{
- assert(0);
+ u_int c2op=source[i]&0x3f;
+ u_int hr,reglist_full=0,reglist;
+ int need_flags,need_ir;
+ for(hr=0;hr<HOST_REGS;hr++) {
+ if(i_regs->regmap[hr]>=0) reglist_full|=1<<hr;
+ }
+ reglist=reglist_full&CALLER_SAVE_REGS;
+
+ if (gte_handlers[c2op]!=NULL) {
+ need_flags=!(gte_unneeded[i+1]>>63); // +1 because of how liveness detection works
+ need_ir=(gte_unneeded[i+1]&0xe00)!=0xe00;
+ assem_debug("gte op %08x, unneeded %016lx, need_flags %d, need_ir %d\n",
+ source[i],gte_unneeded[i+1],need_flags,need_ir);
+ if(HACK_ENABLED(NDHACK_GTE_NO_FLAGS))
+ need_flags=0;
+ //int shift = (source[i] >> 19) & 1;
+ //int lm = (source[i] >> 10) & 1;
+ switch(c2op) {
+ default:
+ (void)need_ir;
+ c2op_prologue(c2op, i, i_regs, reglist);
+ emit_movimm(source[i],1); // opcode
+ emit_writeword(1,&psxRegs.code);
+ emit_far_call(need_flags?gte_handlers[c2op]:gte_handlers_nf[c2op]);
+ break;
+ }
+ c2op_epilogue(c2op,reglist);
+ }
}
-static void c2op_assemble(int i,struct regstat *i_regs)
+static void c2op_ctc2_31_assemble(signed char sl, signed char temp)
{
- assert(0);
+ //value = value & 0x7ffff000;
+ //if (value & 0x7f87e000) value |= 0x80000000;
+ emit_andimm(sl, 0x7fffe000, temp);
+ emit_testimm(temp, 0xff87ffff);
+ emit_andimm(sl, 0x7ffff000, temp);
+ host_tempreg_acquire();
+ emit_orimm(temp, 0x80000000, HOST_TEMPREG);
+ emit_cmovne_reg(HOST_TEMPREG, temp);
+ host_tempreg_release();
+ assert(0); // testing needed
+}
+
+static void do_mfc2_31_one(u_int copr,signed char temp)
+{
+ emit_readshword(®_cop2d[copr],temp);
+ emit_bicsar_imm(temp,31,temp);
+ emit_cmpimm(temp,0xf80);
+ emit_csinvle_reg(temp,WZR,temp); // if (temp > 0xf80) temp = ~0;
+ emit_andimm(temp,0xf80,temp);
+}
+
+static void c2op_mfc2_29_assemble(signed char tl, signed char temp)
+{
+ if (temp < 0) {
+ host_tempreg_acquire();
+ temp = HOST_TEMPREG;
+ }
+ do_mfc2_31_one(9,temp);
+ emit_shrimm(temp,7,tl);
+ do_mfc2_31_one(10,temp);
+ emit_orrshr_imm(temp,2,tl);
+ do_mfc2_31_one(11,temp);
+ emit_orrshl_imm(temp,3,tl);
+ emit_writeword(tl,®_cop2d[29]);
+
+ if (temp == HOST_TEMPREG)
+ host_tempreg_release();
}
static void multdiv_assemble_arm64(int i,struct regstat *i_regs)
{
- assert(0);
+ // case 0x18: MULT
+ // case 0x19: MULTU
+ // case 0x1A: DIV
+ // case 0x1B: DIVU
+ if(rs1[i]&&rs2[i])
+ {
+ switch(opcode2[i])
+ {
+ case 0x18: // MULT
+ case 0x19: // MULTU
+ {
+ signed char m1=get_reg(i_regs->regmap,rs1[i]);
+ signed char m2=get_reg(i_regs->regmap,rs2[i]);
+ signed char hi=get_reg(i_regs->regmap,HIREG);
+ signed char lo=get_reg(i_regs->regmap,LOREG);
+ assert(m1>=0);
+ assert(m2>=0);
+ assert(hi>=0);
+ assert(lo>=0);
+
+ if(opcode2[i]==0x18) // MULT
+ emit_smull(m1,m2,hi);
+ else // MULTU
+ emit_umull(m1,m2,hi);
+
+ emit_mov(hi,lo);
+ emit_shrimm64(hi,32,hi);
+ break;
+ }
+ case 0x1A: // DIV
+ case 0x1B: // DIVU
+ {
+ signed char numerator=get_reg(i_regs->regmap,rs1[i]);
+ signed char denominator=get_reg(i_regs->regmap,rs2[i]);
+ signed char quotient=get_reg(i_regs->regmap,LOREG);
+ signed char remainder=get_reg(i_regs->regmap,HIREG);
+ assert(numerator>=0);
+ assert(denominator>=0);
+ assert(quotient>=0);
+ assert(remainder>=0);
+
+ if (opcode2[i] == 0x1A) // DIV
+ emit_sdiv(numerator,denominator,quotient);
+ else // DIVU
+ emit_udiv(numerator,denominator,quotient);
+ emit_msub(quotient,denominator,numerator,remainder);
+
+ // div 0 quotient (remainder is already correct)
+ host_tempreg_acquire();
+ if (opcode2[i] == 0x1A) // DIV
+ emit_sub_asrimm(0,numerator,31,HOST_TEMPREG);
+ else
+ emit_movimm(~0,HOST_TEMPREG);
+ emit_test(denominator,denominator);
+ emit_cmoveq_reg(HOST_TEMPREG,quotient);
+ host_tempreg_release();
+ break;
+ }
+ default:
+ assert(0);
+ }
+ }
+ else
+ {
+ signed char hr=get_reg(i_regs->regmap,HIREG);
+ signed char lr=get_reg(i_regs->regmap,LOREG);
+ if ((opcode2[i]==0x1A || opcode2[i]==0x1B) && rs2[i]==0) // div 0
+ {
+ if (rs1[i]) {
+ signed char numerator = get_reg(i_regs->regmap, rs1[i]);
+ assert(numerator >= 0);
+ if (hr >= 0)
+ emit_mov(numerator,hr);
+ if (lr >= 0) {
+ if (opcode2[i] == 0x1A) // DIV
+ emit_sub_asrimm(0,numerator,31,lr);
+ else
+ emit_movimm(~0,lr);
+ }
+ }
+ else {
+ if (hr >= 0) emit_zeroreg(hr);
+ if (lr >= 0) emit_movimm(~0,lr);
+ }
+ }
+ else
+ {
+ // Multiply by zero is zero.
+ if (hr >= 0) emit_zeroreg(hr);
+ if (lr >= 0) emit_zeroreg(lr);
+ }
+ }
}
#define multdiv_assemble multdiv_assemble_arm64
+static void do_jump_vaddr(u_int rs)
+{
+ if (rs != 0)
+ emit_mov(rs, 0);
+ emit_far_call(get_addr_ht);
+ emit_jmpreg(0);
+}
+
static void do_preload_rhash(u_int r) {
// Don't need this for ARM. On x86, this puts the value 0xf8 into the
// register. On ARM the hash can be done with a single instruction (below)
}
static void do_preload_rhtbl(u_int ht) {
- emit_addimm(FP, (u_char *)&mini_ht - (u_char *)&dynarec_local, ht);
+ emit_addimm64(FP, (u_char *)&mini_ht - (u_char *)&dynarec_local, ht);
}
static void do_rhash(u_int rs,u_int rh) {
emit_andimm(rs, 0xf8, rh);
}
-static void do_miniht_load(int ht,u_int rh) {
- assem_debug("ldr %s,[%s,%s]!\n",regname[rh],regname[ht],regname[rh]);
- assert(0);
+static void do_miniht_load(int ht, u_int rh) {
+ emit_add64(ht, rh, ht);
+ emit_ldst(0, 0, rh, ht, 0);
}
-static void do_miniht_jump(u_int rs,u_int rh,int ht) {
- emit_cmp(rh,rs);
- emit_ldreq_indexed(ht,4,15);
- //emit_jmp(jump_vaddr_reg[rs]);
- assert(0);
-}
+static void do_miniht_jump(u_int rs, u_int rh, u_int ht) {
+ emit_cmp(rh, rs);
+ void *jaddr = out;
+ emit_jeq(0);
+ do_jump_vaddr(rs);
-static void do_miniht_insert(u_int return_address,u_int rt,int temp) {
- assert(0);
+ set_jump_target(jaddr, out);
+ assem_debug("ldr %s,[%s,#8]\n",regname64[ht], regname64[ht]);
+ output_w32(0xf9400000 | imm12_rn_rd(8 >> 3, ht, ht));
+ emit_jmpreg(ht);
}
-static void mark_clear_cache(void *target)
-{
- u_long offset = (u_char *)target - translation_cache;
- 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;
+// parsed by set_jump_target?
+static void do_miniht_insert(u_int return_address,u_int rt,int temp) {
+ emit_movz_lsl16((return_address>>16)&0xffff,rt);
+ emit_movk(return_address&0xffff,rt);
+ add_to_linker(out,return_address,1);
+ emit_adr(out,temp);
+ emit_writedword(temp,&mini_ht[(return_address&0xFF)>>3][1]);
+ emit_writeword(rt,&mini_ht[(return_address&0xFF)>>3][0]);
+}
+
+static void clear_cache_arm64(char *start, char *end)
+{
+ // Don't rely on GCC's __clear_cache implementation, as it caches
+ // icache/dcache cache line sizes, that can vary between cores on
+ // big.LITTLE architectures.
+ uint64_t addr, ctr_el0;
+ static size_t icache_line_size = 0xffff, dcache_line_size = 0xffff;
+ size_t isize, dsize;
+
+ __asm__ volatile("mrs %0, ctr_el0" : "=r"(ctr_el0));
+ isize = 4 << ((ctr_el0 >> 0) & 0xf);
+ dsize = 4 << ((ctr_el0 >> 16) & 0xf);
+
+ // use the global minimum cache line size
+ icache_line_size = isize = icache_line_size < isize ? icache_line_size : isize;
+ dcache_line_size = dsize = dcache_line_size < dsize ? dcache_line_size : dsize;
+
+ /* If CTR_EL0.IDC is enabled, Data cache clean to the Point of Unification is
+ not required for instruction to data coherence. */
+ if ((ctr_el0 & (1 << 28)) == 0x0) {
+ addr = (uint64_t)start & ~(uint64_t)(dsize - 1);
+ for (; addr < (uint64_t)end; addr += dsize)
+ // use "civac" instead of "cvau", as this is the suggested workaround for
+ // Cortex-A53 errata 819472, 826319, 827319 and 824069.
+ __asm__ volatile("dc civac, %0" : : "r"(addr) : "memory");
}
-}
+ __asm__ volatile("dsb ish" : : : "memory");
-// 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()
-{
- int i,j;
- for (i=0;i<(1<<(TARGET_SIZE_2-17));i++)
- {
- u_int bitmap=needs_clear_cache[i];
- if(bitmap) {
- u_char *start, *end;
- for(j=0;j<32;j++)
- {
- if(bitmap&(1<<j)) {
- start=translation_cache+i*131072+j*4096;
- end=start+4095;
- j++;
- while(j<32) {
- if(bitmap&(1<<j)) {
- end+=4096;
- j++;
- }else{
- end_tcache_write(start, end);
- break;
- }
- }
- }
- }
- needs_clear_cache[i]=0;
- }
+ /* If CTR_EL0.DIC is enabled, Instruction cache cleaning to the Point of
+ Unification is not required for instruction to data coherence. */
+ if ((ctr_el0 & (1 << 29)) == 0x0) {
+ addr = (uint64_t)start & ~(uint64_t)(isize - 1);
+ for (; addr < (uint64_t)end; addr += isize)
+ __asm__ volatile("ic ivau, %0" : : "r"(addr) : "memory");
+
+ __asm__ volatile("dsb ish" : : : "memory");
}
+
+ __asm__ volatile("isb" : : : "memory");
}
// 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;
+ struct tramp_insns *ops = ndrc->tramp.ops;
+ size_t i;
+ assert(!(diff & 3));
+ start_tcache_write(ops, (u_char *)ops + sizeof(ndrc->tramp.ops));
+ for (i = 0; i < ARRAY_SIZE(ndrc->tramp.ops); i++) {
+ ops[i].ldr = 0x58000000 | imm19_rt(diff >> 2, 17); // ldr x17, [=val]
+ ops[i].br = 0xd61f0000 | rm_rn_rd(0, 17, 0); // br x17
+ }
+ end_tcache_write(ops, (u_char *)ops + sizeof(ndrc->tramp.ops));
}
// vim:shiftwidth=2:expandtab
notaz.gp2x.de / pcsx_rearmed.git / blobdiff