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xemu/target/rx/disas.c
Paolo Bonzini abff1abfe8 meson: target 
Similar to hw_arch, each architecture defines two sourceset which are placed in
dictionaries target_arch and target_softmmu_arch.  These are then picked up
from there when building the per-emulator static_library.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-08-21 06:30:35 -04:00

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/*
* Renesas RX Disassembler
*
* Copyright (c) 2019 Yoshinori Sato <ysato@users.sourceforge.jp>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2 or later, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
#include "disas/dis-asm.h"
#include "qemu/bitops.h"
#include "cpu.h"
typedef struct DisasContext {
disassemble_info *dis;
uint32_t addr;
uint32_t pc;
uint8_t len;
uint8_t bytes[8];
} DisasContext;
static uint32_t decode_load_bytes(DisasContext *ctx, uint32_t insn,
int i, int n)
{
uint32_t addr = ctx->addr;
g_assert(ctx->len == i);
g_assert(n <= ARRAY_SIZE(ctx->bytes));
while (++i <= n) {
ctx->dis->read_memory_func(addr++, &ctx->bytes[i - 1], 1, ctx->dis);
insn |= ctx->bytes[i - 1] << (32 - i * 8);
}
ctx->addr = addr;
ctx->len = n;
return insn;
}
static int32_t li(DisasContext *ctx, int sz)
{
uint32_t addr = ctx->addr;
uintptr_t len = ctx->len;
switch (sz) {
case 1:
g_assert(len + 1 <= ARRAY_SIZE(ctx->bytes));
ctx->addr += 1;
ctx->len += 1;
ctx->dis->read_memory_func(addr, ctx->bytes + len, 1, ctx->dis);
return (int8_t)ctx->bytes[len];
case 2:
g_assert(len + 2 <= ARRAY_SIZE(ctx->bytes));
ctx->addr += 2;
ctx->len += 2;
ctx->dis->read_memory_func(addr, ctx->bytes + len, 2, ctx->dis);
return ldsw_le_p(ctx->bytes + len);
case 3:
g_assert(len + 3 <= ARRAY_SIZE(ctx->bytes));
ctx->addr += 3;
ctx->len += 3;
ctx->dis->read_memory_func(addr, ctx->bytes + len, 3, ctx->dis);
return (int8_t)ctx->bytes[len + 2] << 16 | lduw_le_p(ctx->bytes + len);
case 0:
g_assert(len + 4 <= ARRAY_SIZE(ctx->bytes));
ctx->addr += 4;
ctx->len += 4;
ctx->dis->read_memory_func(addr, ctx->bytes + len, 4, ctx->dis);
return ldl_le_p(ctx->bytes + len);
default:
g_assert_not_reached();
}
}
static int bdsp_s(DisasContext *ctx, int d)
{
/*
* 0 -> 8
* 1 -> 9
* 2 -> 10
* 3 -> 3
* :
* 7 -> 7
*/
if (d < 3) {
d += 8;
}
return d;
}
/* Include the auto-generated decoder. */
#include "decode-insns.c.inc"
static void dump_bytes(DisasContext *ctx)
{
int i, len = ctx->len;
for (i = 0; i < len; ++i) {
ctx->dis->fprintf_func(ctx->dis->stream, "%02x ", ctx->bytes[i]);
}
ctx->dis->fprintf_func(ctx->dis->stream, "%*c", (8 - i) * 3, '\t');
}
#define prt(...) \
do { \
dump_bytes(ctx); \
ctx->dis->fprintf_func(ctx->dis->stream, __VA_ARGS__); \
} while (0)
#define RX_MEMORY_BYTE 0
#define RX_MEMORY_WORD 1
#define RX_MEMORY_LONG 2
#define RX_IM_BYTE 0
#define RX_IM_WORD 1
#define RX_IM_LONG 2
#define RX_IM_UWORD 3
static const char size[] = {'b', 'w', 'l'};
static const char cond[][4] = {
"eq", "ne", "c", "nc", "gtu", "leu", "pz", "n",
"ge", "lt", "gt", "le", "o", "no", "ra", "f"
};
static const char psw[] = {
'c', 'z', 's', 'o', 0, 0, 0, 0,
'i', 'u', 0, 0, 0, 0, 0, 0,
};
static void rx_index_addr(DisasContext *ctx, char out[8], int ld, int mi)
{
uint32_t addr = ctx->addr;
uintptr_t len = ctx->len;
uint16_t dsp;
switch (ld) {
case 0:
/* No index; return empty string. */
out[0] = '\0';
return;
case 1:
g_assert(len + 1 <= ARRAY_SIZE(ctx->bytes));
ctx->addr += 1;
ctx->len += 1;
ctx->dis->read_memory_func(addr, ctx->bytes + len, 1, ctx->dis);
dsp = ctx->bytes[len];
break;
case 2:
g_assert(len + 2 <= ARRAY_SIZE(ctx->bytes));
ctx->addr += 2;
ctx->len += 2;
ctx->dis->read_memory_func(addr, ctx->bytes + len, 2, ctx->dis);
dsp = lduw_le_p(ctx->bytes + len);
break;
default:
g_assert_not_reached();
}
sprintf(out, "%u", dsp << (mi < 3 ? mi : 4 - mi));
}
static void prt_ldmi(DisasContext *ctx, const char *insn,
int ld, int mi, int rs, int rd)
{
static const char sizes[][4] = {".b", ".w", ".l", ".uw", ".ub"};
char dsp[8];
if (ld < 3) {
rx_index_addr(ctx, dsp, ld, mi);
prt("%s\t%s[r%d]%s, r%d", insn, dsp, rs, sizes[mi], rd);
} else {
prt("%s\tr%d, r%d", insn, rs, rd);
}
}
static void prt_ir(DisasContext *ctx, const char *insn, int imm, int rd)
{
if (imm < 0x100) {
prt("%s\t#%d, r%d", insn, imm, rd);
} else {
prt("%s\t#0x%08x, r%d", insn, imm, rd);
}
}
/* mov.[bwl] rs,dsp:[rd] */
static bool trans_MOV_rm(DisasContext *ctx, arg_MOV_rm *a)
{
if (a->dsp > 0) {
prt("mov.%c\tr%d,%d[r%d]",
size[a->sz], a->rs, a->dsp << a->sz, a->rd);
} else {
prt("mov.%c\tr%d,[r%d]",
size[a->sz], a->rs, a->rd);
}
return true;
}
/* mov.[bwl] dsp:[rs],rd */
static bool trans_MOV_mr(DisasContext *ctx, arg_MOV_mr *a)
{
if (a->dsp > 0) {
prt("mov.%c\t%d[r%d], r%d",
size[a->sz], a->dsp << a->sz, a->rs, a->rd);
} else {
prt("mov.%c\t[r%d], r%d",
size[a->sz], a->rs, a->rd);
}
return true;
}
/* mov.l #uimm4,rd */
/* mov.l #uimm8,rd */
/* mov.l #imm,rd */
static bool trans_MOV_ir(DisasContext *ctx, arg_MOV_ir *a)
{
prt_ir(ctx, "mov.l", a->imm, a->rd);
return true;
}
/* mov.[bwl] #uimm8,dsp:[rd] */
/* mov #imm, dsp:[rd] */
static bool trans_MOV_im(DisasContext *ctx, arg_MOV_im *a)
{
if (a->dsp > 0) {
prt("mov.%c\t#%d,%d[r%d]",
size[a->sz], a->imm, a->dsp << a->sz, a->rd);
} else {
prt("mov.%c\t#%d,[r%d]",
size[a->sz], a->imm, a->rd);
}
return true;
}
/* mov.[bwl] [ri,rb],rd */
static bool trans_MOV_ar(DisasContext *ctx, arg_MOV_ar *a)
{
prt("mov.%c\t[r%d,r%d], r%d", size[a->sz], a->ri, a->rb, a->rd);
return true;
}
/* mov.[bwl] rd,[ri,rb] */
static bool trans_MOV_ra(DisasContext *ctx, arg_MOV_ra *a)
{
prt("mov.%c\tr%d, [r%d, r%d]", size[a->sz], a->rs, a->ri, a->rb);
return true;
}
/* mov.[bwl] dsp:[rs],dsp:[rd] */
/* mov.[bwl] rs,dsp:[rd] */
/* mov.[bwl] dsp:[rs],rd */
/* mov.[bwl] rs,rd */
static bool trans_MOV_mm(DisasContext *ctx, arg_MOV_mm *a)
{
char dspd[8], dsps[8], szc = size[a->sz];
if (a->lds == 3 && a->ldd == 3) {
/* mov.[bwl] rs,rd */
prt("mov.%c\tr%d, r%d", szc, a->rs, a->rd);
} else if (a->lds == 3) {
rx_index_addr(ctx, dspd, a->ldd, a->sz);
prt("mov.%c\tr%d, %s[r%d]", szc, a->rs, dspd, a->rd);
} else if (a->ldd == 3) {
rx_index_addr(ctx, dsps, a->lds, a->sz);
prt("mov.%c\t%s[r%d], r%d", szc, dsps, a->rs, a->rd);
} else {
rx_index_addr(ctx, dsps, a->lds, a->sz);
rx_index_addr(ctx, dspd, a->ldd, a->sz);
prt("mov.%c\t%s[r%d], %s[r%d]", szc, dsps, a->rs, dspd, a->rd);
}
return true;
}
/* mov.[bwl] rs,[rd+] */
/* mov.[bwl] rs,[-rd] */
static bool trans_MOV_rp(DisasContext *ctx, arg_MOV_rp *a)
{
if (a->ad) {
prt("mov.%c\tr%d, [-r%d]", size[a->sz], a->rs, a->rd);
} else {
prt("mov.%c\tr%d, [r%d+]", size[a->sz], a->rs, a->rd);
}
return true;
}
/* mov.[bwl] [rd+],rs */
/* mov.[bwl] [-rd],rs */
static bool trans_MOV_pr(DisasContext *ctx, arg_MOV_pr *a)
{
if (a->ad) {
prt("mov.%c\t[-r%d], r%d", size[a->sz], a->rd, a->rs);
} else {
prt("mov.%c\t[r%d+], r%d", size[a->sz], a->rd, a->rs);
}
return true;
}
/* movu.[bw] dsp5:[rs],rd */
static bool trans_MOVU_mr(DisasContext *ctx, arg_MOVU_mr *a)
{
if (a->dsp > 0) {
prt("movu.%c\t%d[r%d], r%d", size[a->sz],
a->dsp << a->sz, a->rs, a->rd);
} else {
prt("movu.%c\t[r%d], r%d", size[a->sz], a->rs, a->rd);
}
return true;
}
/* movu.[bw] rs,rd */
static bool trans_MOVU_rr(DisasContext *ctx, arg_MOVU_rr *a)
{
prt("movu.%c\tr%d, r%d", size[a->sz], a->rs, a->rd);
return true;
}
/* movu.[bw] [ri,rb],rd */
static bool trans_MOVU_ar(DisasContext *ctx, arg_MOVU_ar *a)
{
prt("mov.%c\t[r%d,r%d], r%d", size[a->sz], a->ri, a->rb, a->rd);
return true;
}
/* movu.[bw] [rs+],rd */
/* movu.[bw] [-rs],rd */
static bool trans_MOVU_pr(DisasContext *ctx, arg_MOVU_pr *a)
{
if (a->ad) {
prt("movu.%c\t[-r%d], r%d", size[a->sz], a->rd, a->rs);
} else {
prt("movu.%c\t[r%d+], r%d", size[a->sz], a->rd, a->rs);
}
return true;
}
/* pop rd */
static bool trans_POP(DisasContext *ctx, arg_POP *a)
{
prt("pop\tr%d", a->rd);
return true;
}
/* popc rx */
static bool trans_POPC(DisasContext *ctx, arg_POPC *a)
{
prt("pop\tr%s", rx_crname(a->cr));
return true;
}
/* popm rd-rd2 */
static bool trans_POPM(DisasContext *ctx, arg_POPM *a)
{
prt("popm\tr%d-r%d", a->rd, a->rd2);
return true;
}
/* push rs */
static bool trans_PUSH_r(DisasContext *ctx, arg_PUSH_r *a)
{
prt("push\tr%d", a->rs);
return true;
}
/* push dsp[rs] */
static bool trans_PUSH_m(DisasContext *ctx, arg_PUSH_m *a)
{
char dsp[8];
rx_index_addr(ctx, dsp, a->ld, a->sz);
prt("push\t%s[r%d]", dsp, a->rs);
return true;
}
/* pushc rx */
static bool trans_PUSHC(DisasContext *ctx, arg_PUSHC *a)
{
prt("push\t%s", rx_crname(a->cr));
return true;
}
/* pushm rs-rs2*/
static bool trans_PUSHM(DisasContext *ctx, arg_PUSHM *a)
{
prt("pushm\tr%d-r%d", a->rs, a->rs2);
return true;
}
/* xchg rs,rd */
static bool trans_XCHG_rr(DisasContext *ctx, arg_XCHG_rr *a)
{
prt("xchg\tr%d, r%d", a->rs, a->rd);
return true;
}
/* xchg dsp[rs].<mi>,rd */
static bool trans_XCHG_mr(DisasContext *ctx, arg_XCHG_mr *a)
{
prt_ldmi(ctx, "xchg", a->ld, a->mi, a->rs, a->rd);
return true;
}
/* stz #imm,rd */
static bool trans_STZ(DisasContext *ctx, arg_STZ *a)
{
prt_ir(ctx, "stz", a->imm, a->rd);
return true;
}
/* stnz #imm,rd */
static bool trans_STNZ(DisasContext *ctx, arg_STNZ *a)
{
prt_ir(ctx, "stnz", a->imm, a->rd);
return true;
}
/* rtsd #imm */
static bool trans_RTSD_i(DisasContext *ctx, arg_RTSD_i *a)
{
prt("rtsd\t#%d", a->imm << 2);
return true;
}
/* rtsd #imm, rd-rd2 */
static bool trans_RTSD_irr(DisasContext *ctx, arg_RTSD_irr *a)
{
prt("rtsd\t#%d, r%d - r%d", a->imm << 2, a->rd, a->rd2);
return true;
}
/* and #uimm:4, rd */
/* and #imm, rd */
static bool trans_AND_ir(DisasContext *ctx, arg_AND_ir *a)
{
prt_ir(ctx, "and", a->imm, a->rd);
return true;
}
/* and dsp[rs], rd */
/* and rs,rd */
static bool trans_AND_mr(DisasContext *ctx, arg_AND_mr *a)
{
prt_ldmi(ctx, "and", a->ld, a->mi, a->rs, a->rd);
return true;
}
/* and rs,rs2,rd */
static bool trans_AND_rrr(DisasContext *ctx, arg_AND_rrr *a)
{
prt("and\tr%d,r%d, r%d", a->rs, a->rs2, a->rd);
return true;
}
/* or #uimm:4, rd */
/* or #imm, rd */
static bool trans_OR_ir(DisasContext *ctx, arg_OR_ir *a)
{
prt_ir(ctx, "or", a->imm, a->rd);
return true;
}
/* or dsp[rs], rd */
/* or rs,rd */
static bool trans_OR_mr(DisasContext *ctx, arg_OR_mr *a)
{
prt_ldmi(ctx, "or", a->ld, a->mi, a->rs, a->rd);
return true;
}
/* or rs,rs2,rd */
static bool trans_OR_rrr(DisasContext *ctx, arg_OR_rrr *a)
{
prt("or\tr%d, r%d, r%d", a->rs, a->rs2, a->rd);
return true;
}
/* xor #imm, rd */
static bool trans_XOR_ir(DisasContext *ctx, arg_XOR_ir *a)
{
prt_ir(ctx, "xor", a->imm, a->rd);
return true;
}
/* xor dsp[rs], rd */
/* xor rs,rd */
static bool trans_XOR_mr(DisasContext *ctx, arg_XOR_mr *a)
{
prt_ldmi(ctx, "xor", a->ld, a->mi, a->rs, a->rd);
return true;
}
/* tst #imm, rd */
static bool trans_TST_ir(DisasContext *ctx, arg_TST_ir *a)
{
prt_ir(ctx, "tst", a->imm, a->rd);
return true;
}
/* tst dsp[rs], rd */
/* tst rs, rd */
static bool trans_TST_mr(DisasContext *ctx, arg_TST_mr *a)
{
prt_ldmi(ctx, "tst", a->ld, a->mi, a->rs, a->rd);
return true;
}
/* not rd */
/* not rs, rd */
static bool trans_NOT_rr(DisasContext *ctx, arg_NOT_rr *a)
{
if (a->rs != a->rd) {
prt("not\tr%d, r%d", a->rs, a->rd);
} else {
prt("not\tr%d", a->rs);
}
return true;
}
/* neg rd */
/* neg rs, rd */
static bool trans_NEG_rr(DisasContext *ctx, arg_NEG_rr *a)
{
if (a->rs != a->rd) {
prt("neg\tr%d, r%d", a->rs, a->rd);
} else {
prt("neg\tr%d", a->rs);
}
return true;
}
/* adc #imm, rd */
static bool trans_ADC_ir(DisasContext *ctx, arg_ADC_ir *a)
{
prt_ir(ctx, "adc", a->imm, a->rd);
return true;
}
/* adc rs, rd */
static bool trans_ADC_rr(DisasContext *ctx, arg_ADC_rr *a)
{
prt("adc\tr%d, r%d", a->rs, a->rd);
return true;
}
/* adc dsp[rs], rd */
static bool trans_ADC_mr(DisasContext *ctx, arg_ADC_mr *a)
{
char dsp[8];
rx_index_addr(ctx, dsp, a->ld, 2);
prt("adc\t%s[r%d], r%d", dsp, a->rs, a->rd);
return true;
}
/* add #uimm4, rd */
/* add #imm, rs, rd */
static bool trans_ADD_irr(DisasContext *ctx, arg_ADD_irr *a)
{
if (a->imm < 0x10 && a->rs2 == a->rd) {
prt("add\t#%d, r%d", a->imm, a->rd);
} else {
prt("add\t#0x%08x, r%d, r%d", a->imm, a->rs2, a->rd);
}
return true;
}
/* add rs, rd */
/* add dsp[rs], rd */
static bool trans_ADD_mr(DisasContext *ctx, arg_ADD_mr *a)
{
prt_ldmi(ctx, "add", a->ld, a->mi, a->rs, a->rd);
return true;
}
/* add rs, rs2, rd */
static bool trans_ADD_rrr(DisasContext *ctx, arg_ADD_rrr *a)
{
prt("add\tr%d, r%d, r%d", a->rs, a->rs2, a->rd);
return true;
}
/* cmp #imm4, rd */
/* cmp #imm8, rd */
/* cmp #imm, rs2 */
static bool trans_CMP_ir(DisasContext *ctx, arg_CMP_ir *a)
{
prt_ir(ctx, "cmp", a->imm, a->rs2);
return true;
}
/* cmp rs, rs2 */
/* cmp dsp[rs], rs2 */
static bool trans_CMP_mr(DisasContext *ctx, arg_CMP_mr *a)
{
prt_ldmi(ctx, "cmp", a->ld, a->mi, a->rs, a->rd);
return true;
}
/* sub #imm4, rd */
static bool trans_SUB_ir(DisasContext *ctx, arg_SUB_ir *a)
{
prt("sub\t#%d, r%d", a->imm, a->rd);
return true;
}
/* sub rs, rd */
/* sub dsp[rs], rd */
static bool trans_SUB_mr(DisasContext *ctx, arg_SUB_mr *a)
{
prt_ldmi(ctx, "sub", a->ld, a->mi, a->rs, a->rd);
return true;
}
/* sub rs, rs2, rd */
static bool trans_SUB_rrr(DisasContext *ctx, arg_SUB_rrr *a)
{
prt("sub\tr%d, r%d, r%d", a->rs, a->rs2, a->rd);
return true;
}
/* sbb rs, rd */
static bool trans_SBB_rr(DisasContext *ctx, arg_SBB_rr *a)
{
prt("sbb\tr%d, r%d", a->rs, a->rd);
return true;
}
/* sbb dsp[rs], rd */
static bool trans_SBB_mr(DisasContext *ctx, arg_SBB_mr *a)
{
prt_ldmi(ctx, "sbb", a->ld, RX_IM_LONG, a->rs, a->rd);
return true;
}
/* abs rd */
/* abs rs, rd */
static bool trans_ABS_rr(DisasContext *ctx, arg_ABS_rr *a)
{
if (a->rs != a->rd) {
prt("abs\tr%d, r%d", a->rs, a->rd);
} else {
prt("abs\tr%d", a->rs);
}
return true;
}
/* max #imm, rd */
static bool trans_MAX_ir(DisasContext *ctx, arg_MAX_ir *a)
{
prt_ir(ctx, "max", a->imm, a->rd);
return true;
}
/* max rs, rd */
/* max dsp[rs], rd */
static bool trans_MAX_mr(DisasContext *ctx, arg_MAX_mr *a)
{
prt_ldmi(ctx, "max", a->ld, a->mi, a->rs, a->rd);
return true;
}
/* min #imm, rd */
static bool trans_MIN_ir(DisasContext *ctx, arg_MIN_ir *a)
{
prt_ir(ctx, "min", a->imm, a->rd);
return true;
}
/* min rs, rd */
/* min dsp[rs], rd */
static bool trans_MIN_mr(DisasContext *ctx, arg_MIN_mr *a)
{
prt_ldmi(ctx, "min", a->ld, a->mi, a->rs, a->rd);
return true;
}
/* mul #uimm4, rd */
/* mul #imm, rd */
static bool trans_MUL_ir(DisasContext *ctx, arg_MUL_ir *a)
{
prt_ir(ctx, "mul", a->imm, a->rd);
return true;
}
/* mul rs, rd */
/* mul dsp[rs], rd */
static bool trans_MUL_mr(DisasContext *ctx, arg_MUL_mr *a)
{
prt_ldmi(ctx, "mul", a->ld, a->mi, a->rs, a->rd);
return true;
}
/* mul rs, rs2, rd */
static bool trans_MUL_rrr(DisasContext *ctx, arg_MUL_rrr *a)
{
prt("mul\tr%d,r%d,r%d", a->rs, a->rs2, a->rd);
return true;
}
/* emul #imm, rd */
static bool trans_EMUL_ir(DisasContext *ctx, arg_EMUL_ir *a)
{
prt_ir(ctx, "emul", a->imm, a->rd);
return true;
}
/* emul rs, rd */
/* emul dsp[rs], rd */
static bool trans_EMUL_mr(DisasContext *ctx, arg_EMUL_mr *a)
{
prt_ldmi(ctx, "emul", a->ld, a->mi, a->rs, a->rd);
return true;
}
/* emulu #imm, rd */
static bool trans_EMULU_ir(DisasContext *ctx, arg_EMULU_ir *a)
{
prt_ir(ctx, "emulu", a->imm, a->rd);
return true;
}
/* emulu rs, rd */
/* emulu dsp[rs], rd */
static bool trans_EMULU_mr(DisasContext *ctx, arg_EMULU_mr *a)
{
prt_ldmi(ctx, "emulu", a->ld, a->mi, a->rs, a->rd);
return true;
}
/* div #imm, rd */
static bool trans_DIV_ir(DisasContext *ctx, arg_DIV_ir *a)
{
prt_ir(ctx, "div", a->imm, a->rd);
return true;
}
/* div rs, rd */
/* div dsp[rs], rd */
static bool trans_DIV_mr(DisasContext *ctx, arg_DIV_mr *a)
{
prt_ldmi(ctx, "div", a->ld, a->mi, a->rs, a->rd);
return true;
}
/* divu #imm, rd */
static bool trans_DIVU_ir(DisasContext *ctx, arg_DIVU_ir *a)
{
prt_ir(ctx, "divu", a->imm, a->rd);
return true;
}
/* divu rs, rd */
/* divu dsp[rs], rd */
static bool trans_DIVU_mr(DisasContext *ctx, arg_DIVU_mr *a)
{
prt_ldmi(ctx, "divu", a->ld, a->mi, a->rs, a->rd);
return true;
}
/* shll #imm:5, rd */
/* shll #imm:5, rs, rd */
static bool trans_SHLL_irr(DisasContext *ctx, arg_SHLL_irr *a)
{
if (a->rs2 != a->rd) {
prt("shll\t#%d, r%d, r%d", a->imm, a->rs2, a->rd);
} else {
prt("shll\t#%d, r%d", a->imm, a->rd);
}
return true;
}
/* shll rs, rd */
static bool trans_SHLL_rr(DisasContext *ctx, arg_SHLL_rr *a)
{
prt("shll\tr%d, r%d", a->rs, a->rd);
return true;
}
/* shar #imm:5, rd */
/* shar #imm:5, rs, rd */
static bool trans_SHAR_irr(DisasContext *ctx, arg_SHAR_irr *a)
{
if (a->rs2 != a->rd) {
prt("shar\t#%d, r%d, r%d", a->imm, a->rs2, a->rd);
} else {
prt("shar\t#%d, r%d", a->imm, a->rd);
}
return true;
}
/* shar rs, rd */
static bool trans_SHAR_rr(DisasContext *ctx, arg_SHAR_rr *a)
{
prt("shar\tr%d, r%d", a->rs, a->rd);
return true;
}
/* shlr #imm:5, rd */
/* shlr #imm:5, rs, rd */
static bool trans_SHLR_irr(DisasContext *ctx, arg_SHLR_irr *a)
{
if (a->rs2 != a->rd) {
prt("shlr\t#%d, r%d, r%d", a->imm, a->rs2, a->rd);
} else {
prt("shlr\t#%d, r%d", a->imm, a->rd);
}
return true;
}
/* shlr rs, rd */
static bool trans_SHLR_rr(DisasContext *ctx, arg_SHLR_rr *a)
{
prt("shlr\tr%d, r%d", a->rs, a->rd);
return true;
}
/* rolc rd */
static bool trans_ROLC(DisasContext *ctx, arg_ROLC *a)
{
prt("rorc\tr%d", a->rd);
return true;
}
/* rorc rd */
static bool trans_RORC(DisasContext *ctx, arg_RORC *a)
{
prt("rorc\tr%d", a->rd);
return true;
}
/* rotl #imm, rd */
static bool trans_ROTL_ir(DisasContext *ctx, arg_ROTL_ir *a)
{
prt("rotl\t#%d, r%d", a->imm, a->rd);
return true;
}
/* rotl rs, rd */
static bool trans_ROTL_rr(DisasContext *ctx, arg_ROTL_rr *a)
{
prt("rotl\tr%d, r%d", a->rs, a->rd);
return true;
}
/* rotr #imm, rd */
static bool trans_ROTR_ir(DisasContext *ctx, arg_ROTR_ir *a)
{
prt("rotr\t#%d, r%d", a->imm, a->rd);
return true;
}
/* rotr rs, rd */
static bool trans_ROTR_rr(DisasContext *ctx, arg_ROTR_rr *a)
{
prt("rotr\tr%d, r%d", a->rs, a->rd);
return true;
}
/* revl rs, rd */
static bool trans_REVL(DisasContext *ctx, arg_REVL *a)
{
prt("revl\tr%d, r%d", a->rs, a->rd);
return true;
}
/* revw rs, rd */
static bool trans_REVW(DisasContext *ctx, arg_REVW *a)
{
prt("revw\tr%d, r%d", a->rs, a->rd);
return true;
}
/* conditional branch helper */
static void rx_bcnd_main(DisasContext *ctx, int cd, int len, int dst)
{
static const char sz[] = {'s', 'b', 'w', 'a'};
prt("b%s.%c\t%08x", cond[cd], sz[len - 1], ctx->pc + dst);
}
/* beq dsp:3 / bne dsp:3 */
/* beq dsp:8 / bne dsp:8 */
/* bc dsp:8 / bnc dsp:8 */
/* bgtu dsp:8 / bleu dsp:8 */
/* bpz dsp:8 / bn dsp:8 */
/* bge dsp:8 / blt dsp:8 */
/* bgt dsp:8 / ble dsp:8 */
/* bo dsp:8 / bno dsp:8 */
/* beq dsp:16 / bne dsp:16 */
static bool trans_BCnd(DisasContext *ctx, arg_BCnd *a)
{
rx_bcnd_main(ctx, a->cd, a->sz, a->dsp);
return true;
}
/* bra dsp:3 */
/* bra dsp:8 */
/* bra dsp:16 */
/* bra dsp:24 */
static bool trans_BRA(DisasContext *ctx, arg_BRA *a)
{
rx_bcnd_main(ctx, 14, a->sz, a->dsp);
return true;
}
/* bra rs */
static bool trans_BRA_l(DisasContext *ctx, arg_BRA_l *a)
{
prt("bra.l\tr%d", a->rd);
return true;
}
/* jmp rs */
static bool trans_JMP(DisasContext *ctx, arg_JMP *a)
{
prt("jmp\tr%d", a->rs);
return true;
}
/* jsr rs */
static bool trans_JSR(DisasContext *ctx, arg_JSR *a)
{
prt("jsr\tr%d", a->rs);
return true;
}
/* bsr dsp:16 */
/* bsr dsp:24 */
static bool trans_BSR(DisasContext *ctx, arg_BSR *a)
{
static const char sz[] = {'w', 'a'};
prt("bsr.%c\t%08x", sz[a->sz - 3], ctx->pc + a->dsp);
return true;
}
/* bsr rs */
static bool trans_BSR_l(DisasContext *ctx, arg_BSR_l *a)
{
prt("bsr.l\tr%d", a->rd);
return true;
}
/* rts */
static bool trans_RTS(DisasContext *ctx, arg_RTS *a)
{
prt("rts");
return true;
}
/* nop */
static bool trans_NOP(DisasContext *ctx, arg_NOP *a)
{
prt("nop");
return true;
}
/* scmpu */
static bool trans_SCMPU(DisasContext *ctx, arg_SCMPU *a)
{
prt("scmpu");
return true;
}
/* smovu */
static bool trans_SMOVU(DisasContext *ctx, arg_SMOVU *a)
{
prt("smovu");
return true;
}
/* smovf */
static bool trans_SMOVF(DisasContext *ctx, arg_SMOVF *a)
{
prt("smovf");
return true;
}
/* smovb */
static bool trans_SMOVB(DisasContext *ctx, arg_SMOVB *a)
{
prt("smovb");
return true;
}
/* suntile */
static bool trans_SUNTIL(DisasContext *ctx, arg_SUNTIL *a)
{
prt("suntil.%c", size[a->sz]);
return true;
}
/* swhile */
static bool trans_SWHILE(DisasContext *ctx, arg_SWHILE *a)
{
prt("swhile.%c", size[a->sz]);
return true;
}
/* sstr */
static bool trans_SSTR(DisasContext *ctx, arg_SSTR *a)
{
prt("sstr.%c", size[a->sz]);
return true;
}
/* rmpa */
static bool trans_RMPA(DisasContext *ctx, arg_RMPA *a)
{
prt("rmpa.%c", size[a->sz]);
return true;
}
/* mulhi rs,rs2 */
static bool trans_MULHI(DisasContext *ctx, arg_MULHI *a)
{
prt("mulhi\tr%d,r%d", a->rs, a->rs2);
return true;
}
/* mullo rs,rs2 */
static bool trans_MULLO(DisasContext *ctx, arg_MULLO *a)
{
prt("mullo\tr%d, r%d", a->rs, a->rs2);
return true;
}
/* machi rs,rs2 */
static bool trans_MACHI(DisasContext *ctx, arg_MACHI *a)
{
prt("machi\tr%d, r%d", a->rs, a->rs2);
return true;
}
/* maclo rs,rs2 */
static bool trans_MACLO(DisasContext *ctx, arg_MACLO *a)
{
prt("maclo\tr%d, r%d", a->rs, a->rs2);
return true;
}
/* mvfachi rd */
static bool trans_MVFACHI(DisasContext *ctx, arg_MVFACHI *a)
{
prt("mvfachi\tr%d", a->rd);
return true;
}
/* mvfacmi rd */
static bool trans_MVFACMI(DisasContext *ctx, arg_MVFACMI *a)
{
prt("mvfacmi\tr%d", a->rd);
return true;
}
/* mvtachi rs */
static bool trans_MVTACHI(DisasContext *ctx, arg_MVTACHI *a)
{
prt("mvtachi\tr%d", a->rs);
return true;
}
/* mvtaclo rs */
static bool trans_MVTACLO(DisasContext *ctx, arg_MVTACLO *a)
{
prt("mvtaclo\tr%d", a->rs);
return true;
}
/* racw #imm */
static bool trans_RACW(DisasContext *ctx, arg_RACW *a)
{
prt("racw\t#%d", a->imm + 1);
return true;
}
/* sat rd */
static bool trans_SAT(DisasContext *ctx, arg_SAT *a)
{
prt("sat\tr%d", a->rd);
return true;
}
/* satr */
static bool trans_SATR(DisasContext *ctx, arg_SATR *a)
{
prt("satr");
return true;
}
/* fadd #imm, rd */
static bool trans_FADD_ir(DisasContext *ctx, arg_FADD_ir *a)
{
prt("fadd\t#%d,r%d", li(ctx, 0), a->rd);
return true;
}
/* fadd dsp[rs], rd */
/* fadd rs, rd */
static bool trans_FADD_mr(DisasContext *ctx, arg_FADD_mr *a)
{
prt_ldmi(ctx, "fadd", a->ld, RX_IM_LONG, a->rs, a->rd);
return true;
}
/* fcmp #imm, rd */
static bool trans_FCMP_ir(DisasContext *ctx, arg_FCMP_ir *a)
{
prt("fadd\t#%d,r%d", li(ctx, 0), a->rd);
return true;
}
/* fcmp dsp[rs], rd */
/* fcmp rs, rd */
static bool trans_FCMP_mr(DisasContext *ctx, arg_FCMP_mr *a)
{
prt_ldmi(ctx, "fcmp", a->ld, RX_IM_LONG, a->rs, a->rd);
return true;
}
/* fsub #imm, rd */
static bool trans_FSUB_ir(DisasContext *ctx, arg_FSUB_ir *a)
{
prt("fsub\t#%d,r%d", li(ctx, 0), a->rd);
return true;
}
/* fsub dsp[rs], rd */
/* fsub rs, rd */
static bool trans_FSUB_mr(DisasContext *ctx, arg_FSUB_mr *a)
{
prt_ldmi(ctx, "fsub", a->ld, RX_IM_LONG, a->rs, a->rd);
return true;
}
/* ftoi dsp[rs], rd */
/* ftoi rs, rd */
static bool trans_FTOI(DisasContext *ctx, arg_FTOI *a)
{
prt_ldmi(ctx, "ftoi", a->ld, RX_IM_LONG, a->rs, a->rd);
return true;
}
/* fmul #imm, rd */
static bool trans_FMUL_ir(DisasContext *ctx, arg_FMUL_ir *a)
{
prt("fmul\t#%d,r%d", li(ctx, 0), a->rd);
return true;
}
/* fmul dsp[rs], rd */
/* fmul rs, rd */
static bool trans_FMUL_mr(DisasContext *ctx, arg_FMUL_mr *a)
{
prt_ldmi(ctx, "fmul", a->ld, RX_IM_LONG, a->rs, a->rd);
return true;
}
/* fdiv #imm, rd */
static bool trans_FDIV_ir(DisasContext *ctx, arg_FDIV_ir *a)
{
prt("fdiv\t#%d,r%d", li(ctx, 0), a->rd);
return true;
}
/* fdiv dsp[rs], rd */
/* fdiv rs, rd */
static bool trans_FDIV_mr(DisasContext *ctx, arg_FDIV_mr *a)
{
prt_ldmi(ctx, "fdiv", a->ld, RX_IM_LONG, a->rs, a->rd);
return true;
}
/* round dsp[rs], rd */
/* round rs, rd */
static bool trans_ROUND(DisasContext *ctx, arg_ROUND *a)
{
prt_ldmi(ctx, "round", a->ld, RX_IM_LONG, a->rs, a->rd);
return true;
}
/* itof rs, rd */
/* itof dsp[rs], rd */
static bool trans_ITOF(DisasContext *ctx, arg_ITOF *a)
{
prt_ldmi(ctx, "itof", a->ld, RX_IM_LONG, a->rs, a->rd);
return true;
}
#define BOP_IM(name, reg) \
do { \
char dsp[8]; \
rx_index_addr(ctx, dsp, a->ld, RX_MEMORY_BYTE); \
prt("b%s\t#%d, %s[r%d]", #name, a->imm, dsp, reg); \
return true; \
} while (0)
#define BOP_RM(name) \
do { \
char dsp[8]; \
rx_index_addr(ctx, dsp, a->ld, RX_MEMORY_BYTE); \
prt("b%s\tr%d, %s[r%d]", #name, a->rd, dsp, a->rs); \
return true; \
} while (0)
/* bset #imm, dsp[rd] */
static bool trans_BSET_im(DisasContext *ctx, arg_BSET_im *a)
{
BOP_IM(bset, a->rs);
}
/* bset rs, dsp[rd] */
static bool trans_BSET_rm(DisasContext *ctx, arg_BSET_rm *a)
{
BOP_RM(set);
}
/* bset rs, rd */
static bool trans_BSET_rr(DisasContext *ctx, arg_BSET_rr *a)
{
prt("bset\tr%d,r%d", a->rs, a->rd);
return true;
}
/* bset #imm, rd */
static bool trans_BSET_ir(DisasContext *ctx, arg_BSET_ir *a)
{
prt("bset\t#%d, r%d", a->imm, a->rd);
return true;
}
/* bclr #imm, dsp[rd] */
static bool trans_BCLR_im(DisasContext *ctx, arg_BCLR_im *a)
{
BOP_IM(clr, a->rs);
}
/* bclr rs, dsp[rd] */
static bool trans_BCLR_rm(DisasContext *ctx, arg_BCLR_rm *a)
{
BOP_RM(clr);
}
/* bclr rs, rd */
static bool trans_BCLR_rr(DisasContext *ctx, arg_BCLR_rr *a)
{
prt("bclr\tr%d, r%d", a->rs, a->rd);
return true;
}
/* bclr #imm, rd */
static bool trans_BCLR_ir(DisasContext *ctx, arg_BCLR_ir *a)
{
prt("bclr\t#%d,r%d", a->imm, a->rd);
return true;
}
/* btst #imm, dsp[rd] */
static bool trans_BTST_im(DisasContext *ctx, arg_BTST_im *a)
{
BOP_IM(tst, a->rs);
}
/* btst rs, dsp[rd] */
static bool trans_BTST_rm(DisasContext *ctx, arg_BTST_rm *a)
{
BOP_RM(tst);
}
/* btst rs, rd */
static bool trans_BTST_rr(DisasContext *ctx, arg_BTST_rr *a)
{
prt("btst\tr%d, r%d", a->rs, a->rd);
return true;
}
/* btst #imm, rd */
static bool trans_BTST_ir(DisasContext *ctx, arg_BTST_ir *a)
{
prt("btst\t#%d, r%d", a->imm, a->rd);
return true;
}
/* bnot rs, dsp[rd] */
static bool trans_BNOT_rm(DisasContext *ctx, arg_BNOT_rm *a)
{
BOP_RM(not);
}
/* bnot rs, rd */
static bool trans_BNOT_rr(DisasContext *ctx, arg_BNOT_rr *a)
{
prt("bnot\tr%d, r%d", a->rs, a->rd);
return true;
}
/* bnot #imm, dsp[rd] */
static bool trans_BNOT_im(DisasContext *ctx, arg_BNOT_im *a)
{
BOP_IM(not, a->rs);
}
/* bnot #imm, rd */
static bool trans_BNOT_ir(DisasContext *ctx, arg_BNOT_ir *a)
{
prt("bnot\t#%d, r%d", a->imm, a->rd);
return true;
}
/* bmcond #imm, dsp[rd] */
static bool trans_BMCnd_im(DisasContext *ctx, arg_BMCnd_im *a)
{
char dsp[8];
rx_index_addr(ctx, dsp, a->ld, RX_MEMORY_BYTE);
prt("bm%s\t#%d, %s[r%d]", cond[a->cd], a->imm, dsp, a->rd);
return true;
}
/* bmcond #imm, rd */
static bool trans_BMCnd_ir(DisasContext *ctx, arg_BMCnd_ir *a)
{
prt("bm%s\t#%d, r%d", cond[a->cd], a->imm, a->rd);
return true;
}
/* clrpsw psw */
static bool trans_CLRPSW(DisasContext *ctx, arg_CLRPSW *a)
{
prt("clrpsw\t%c", psw[a->cb]);
return true;
}
/* setpsw psw */
static bool trans_SETPSW(DisasContext *ctx, arg_SETPSW *a)
{
prt("setpsw\t%c", psw[a->cb]);
return true;
}
/* mvtipl #imm */
static bool trans_MVTIPL(DisasContext *ctx, arg_MVTIPL *a)
{
prt("movtipl\t#%d", a->imm);
return true;
}
/* mvtc #imm, rd */
static bool trans_MVTC_i(DisasContext *ctx, arg_MVTC_i *a)
{
prt("mvtc\t#0x%08x, %s", a->imm, rx_crname(a->cr));
return true;
}
/* mvtc rs, rd */
static bool trans_MVTC_r(DisasContext *ctx, arg_MVTC_r *a)
{
prt("mvtc\tr%d, %s", a->rs, rx_crname(a->cr));
return true;
}
/* mvfc rs, rd */
static bool trans_MVFC(DisasContext *ctx, arg_MVFC *a)
{
prt("mvfc\t%s, r%d", rx_crname(a->cr), a->rd);
return true;
}
/* rtfi */
static bool trans_RTFI(DisasContext *ctx, arg_RTFI *a)
{
prt("rtfi");
return true;
}
/* rte */
static bool trans_RTE(DisasContext *ctx, arg_RTE *a)
{
prt("rte");
return true;
}
/* brk */
static bool trans_BRK(DisasContext *ctx, arg_BRK *a)
{
prt("brk");
return true;
}
/* int #imm */
static bool trans_INT(DisasContext *ctx, arg_INT *a)
{
prt("int\t#%d", a->imm);
return true;
}
/* wait */
static bool trans_WAIT(DisasContext *ctx, arg_WAIT *a)
{
prt("wait");
return true;
}
/* sccnd.[bwl] rd */
/* sccnd.[bwl] dsp:[rd] */
static bool trans_SCCnd(DisasContext *ctx, arg_SCCnd *a)
{
if (a->ld < 3) {
char dsp[8];
rx_index_addr(ctx, dsp, a->sz, a->ld);
prt("sc%s.%c\t%s[r%d]", cond[a->cd], size[a->sz], dsp, a->rd);
} else {
prt("sc%s.%c\tr%d", cond[a->cd], size[a->sz], a->rd);
}
return true;
}
int print_insn_rx(bfd_vma addr, disassemble_info *dis)
{
DisasContext ctx;
uint32_t insn;
int i;
ctx.dis = dis;
ctx.pc = ctx.addr = addr;
ctx.len = 0;
insn = decode_load(&ctx);
if (!decode(&ctx, insn)) {
ctx.dis->fprintf_func(ctx.dis->stream, ".byte\t");
for (i = 0; i < ctx.addr - addr; i++) {
if (i > 0) {
ctx.dis->fprintf_func(ctx.dis->stream, ",");
}
ctx.dis->fprintf_func(ctx.dis->stream, "0x%02x", insn >> 24);
insn <<= 8;
}
}
return ctx.addr - addr;
}
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