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qemu/target/rx/disas.c
Richard Henderson e43917cce5 target/rx: Dump bytes for each insn during disassembly 
There are so many different forms of each RX instruction
that it will be very useful to be able to look at the bytes
to see on which path a bug may lie.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20190531134315.4109-24-richard.henderson@linaro.org>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2020-03-19 17:58:05 +01:00

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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.inc.c"
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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