2 * Alpha emulation cpu micro-operations for qemu.
4 * Copyright (c) 2007 Jocelyn Mayer
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 #include "host-utils.h"
27 #include "op_helper.h"
30 #include "op_template.h"
33 #include "op_template.h"
36 #include "op_template.h"
39 #include "op_template.h"
42 #include "op_template.h"
45 #include "op_template.h"
48 #include "op_template.h"
51 #include "op_template.h"
54 #include "op_template.h"
57 #include "op_template.h"
60 #include "op_template.h"
63 #include "op_template.h"
66 #include "op_template.h"
69 #include "op_template.h"
72 #include "op_template.h"
75 #include "op_template.h"
78 #include "op_template.h"
81 #include "op_template.h"
84 #include "op_template.h"
87 #include "op_template.h"
90 #include "op_template.h"
93 #include "op_template.h"
96 #include "op_template.h"
99 #include "op_template.h"
102 #include "op_template.h"
105 #include "op_template.h"
108 #include "op_template.h"
111 #include "op_template.h"
114 #include "op_template.h"
117 #include "op_template.h"
120 #include "op_template.h"
123 #include "op_template.h"
126 void OPPROTO op_no_op (void)
128 #if !defined (DEBUG_OP)
129 __asm__ __volatile__("nop" : : : "memory");
134 /* Load and stores */
135 #define MEMSUFFIX _raw
137 #if !defined(CONFIG_USER_ONLY)
138 #define MEMSUFFIX _kernel
140 #define MEMSUFFIX _executive
142 #define MEMSUFFIX _supervisor
144 #define MEMSUFFIX _user
146 /* This is used for pal modes */
147 #define MEMSUFFIX _data
152 void OPPROTO op_excp (void)
154 helper_excp(PARAM(1), PARAM(2));
158 void OPPROTO op_load_pcc (void)
164 void OPPROTO op_load_implver (void)
166 helper_load_implver();
170 void OPPROTO op_load_fpcr (void)
176 void OPPROTO op_store_fpcr (void)
182 void OPPROTO op_load_irf (void)
188 void OPPROTO op_set_irf (void)
194 void OPPROTO op_clear_irf (void)
201 void OPPROTO op_addqv (void)
207 void OPPROTO op_addlv (void)
213 void OPPROTO op_subqv (void)
219 void OPPROTO op_sublv (void)
225 void OPPROTO op_mullv (void)
231 void OPPROTO op_mulqv (void)
237 void OPPROTO op_umulh (void)
241 mulu64(&tl, &th, T0, T1);
247 void OPPROTO op_cmpult (void)
256 void OPPROTO op_cmpule (void)
265 void OPPROTO op_cmpeq (void)
274 void OPPROTO op_cmplt (void)
276 if ((int64_t)T0 < (int64_t)T1)
283 void OPPROTO op_cmple (void)
285 if ((int64_t)T0 <= (int64_t)T1)
292 void OPPROTO op_cmpbge (void)
298 #if 0 // Qemu does not know how to do this...
299 void OPPROTO op_bcond (void)
308 void OPPROTO op_bcond (void)
313 env->pc = ((uint64_t)PARAM(1) << 32) | (uint64_t)PARAM(2);
318 /* IEEE floating point arithmetic */
319 /* S floating (single) */
320 void OPPROTO op_adds (void)
322 FT0 = float32_add(FT0, FT1, &FP_STATUS);
326 void OPPROTO op_subs (void)
328 FT0 = float32_sub(FT0, FT1, &FP_STATUS);
332 void OPPROTO op_muls (void)
334 FT0 = float32_mul(FT0, FT1, &FP_STATUS);
338 void OPPROTO op_divs (void)
340 FT0 = float32_div(FT0, FT1, &FP_STATUS);
344 void OPPROTO op_sqrts (void)
350 void OPPROTO op_cpys (void)
356 void OPPROTO op_cpysn (void)
362 void OPPROTO op_cpyse (void)
368 void OPPROTO op_itofs (void)
374 void OPPROTO op_ftois (void)
380 /* T floating (double) */
381 void OPPROTO op_addt (void)
383 FT0 = float64_add(FT0, FT1, &FP_STATUS);
387 void OPPROTO op_subt (void)
389 FT0 = float64_sub(FT0, FT1, &FP_STATUS);
393 void OPPROTO op_mult (void)
395 FT0 = float64_mul(FT0, FT1, &FP_STATUS);
399 void OPPROTO op_divt (void)
401 FT0 = float64_div(FT0, FT1, &FP_STATUS);
405 void OPPROTO op_sqrtt (void)
411 void OPPROTO op_cmptun (void)
417 void OPPROTO op_cmpteq (void)
423 void OPPROTO op_cmptle (void)
429 void OPPROTO op_cmptlt (void)
435 void OPPROTO op_itoft (void)
441 void OPPROTO op_ftoit (void)
447 /* VAX floating point arithmetic */
449 void OPPROTO op_addf (void)
455 void OPPROTO op_subf (void)
461 void OPPROTO op_mulf (void)
467 void OPPROTO op_divf (void)
473 void OPPROTO op_sqrtf (void)
479 void OPPROTO op_cmpfeq (void)
485 void OPPROTO op_cmpfne (void)
491 void OPPROTO op_cmpflt (void)
497 void OPPROTO op_cmpfle (void)
503 void OPPROTO op_cmpfgt (void)
509 void OPPROTO op_cmpfge (void)
515 void OPPROTO op_itoff (void)
522 void OPPROTO op_addg (void)
528 void OPPROTO op_subg (void)
534 void OPPROTO op_mulg (void)
540 void OPPROTO op_divg (void)
546 void OPPROTO op_sqrtg (void)
552 void OPPROTO op_cmpgeq (void)
558 void OPPROTO op_cmpglt (void)
564 void OPPROTO op_cmpgle (void)
570 /* Floating point format conversion */
571 void OPPROTO op_cvtst (void)
577 void OPPROTO op_cvtqs (void)
583 void OPPROTO op_cvtts (void)
589 void OPPROTO op_cvttq (void)
595 void OPPROTO op_cvtqt (void)
601 void OPPROTO op_cvtqf (void)
607 void OPPROTO op_cvtgf (void)
613 void OPPROTO op_cvtgd (void)
619 void OPPROTO op_cvtgq (void)
625 void OPPROTO op_cvtqg (void)
631 void OPPROTO op_cvtdg (void)
637 void OPPROTO op_cvtlq (void)
643 void OPPROTO op_cvtql (void)
649 void OPPROTO op_cvtqlv (void)
655 void OPPROTO op_cvtqlsv (void)
661 /* PALcode support special instructions */
662 #if !defined (CONFIG_USER_ONLY)
663 void OPPROTO op_hw_rei (void)
665 env->pc = env->ipr[IPR_EXC_ADDR] & ~3;
666 env->ipr[IPR_EXC_ADDR] = env->ipr[IPR_EXC_ADDR] & 1;
667 /* XXX: re-enable interrupts and memory mapping */
671 void OPPROTO op_hw_ret (void)
674 env->ipr[IPR_EXC_ADDR] = T0 & 1;
675 /* XXX: re-enable interrupts and memory mapping */
679 void OPPROTO op_mfpr (void)
681 helper_mfpr(PARAM(1));
685 void OPPROTO op_mtpr (void)
687 helper_mtpr(PARAM(1));
691 void OPPROTO op_set_alt_mode (void)
693 env->saved_mode = env->ps & 0xC;
694 env->ps = (env->ps & ~0xC) | (env->ipr[IPR_ALT_MODE] & 0xC);
698 void OPPROTO op_restore_mode (void)
700 env->ps = (env->ps & ~0xC) | env->saved_mode;
704 void OPPROTO op_ld_phys_to_virt (void)
706 helper_ld_phys_to_virt();
710 void OPPROTO op_st_phys_to_virt (void)
712 helper_st_phys_to_virt();
715 #endif /* !defined (CONFIG_USER_ONLY) */