target-arm queue:
* update MAINTAINERS for Alistair's new email address * add Arm v8.2 FP16 arithmetic extension for linux-user * implement display connector emulation for vexpress board * xilinx_spips: Enable only two slaves when reading/writing with stripe * xilinx_spips: Use 8 dummy cycles with the QIOR/QIOR4 commands * hw: register: Run post_write hook on reset -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABCAAGBQJal+KGAAoJEDwlJe0UNgzeYkgP/jgaMPdRG1nSRL12SXhQi9yO O95PDRmnoGmtAzb1hOZmQATrcFmRoLnv1irCFVycGrGtfwnxXC7kuJVKI9QJ+T+0 r0jSg/TpKGchRFvIuu+JLHNttuonQln890dPJiR860TVclBjnD+PFvzEX1gI2Lhw gOnB+EL5UTMcs8Zj/HNqtAQfwQdW8yq/dDZW4/B0dQaBC0+/Qy+pRHCAp4nSbELI QLM/tIu2mz6++GlMbjN3Radkl3gdIuYWzcf9R5gZ4xlwaUwihDOOmSJ0x+41eyVy FUGfza5KEEBlRjU9ZzaJ/fIq4DMStIEugaEujr1UpKmwQB/kJoBX2iX6tP6ndgLf Pt3dxdOcJI4RyZzUZwEBUi0M4tnBZVCpOMb4zTw/IwS4ELhGiIGOeZD+j9UihTVr /Ply5G9/fC0mv4jVEQcug9FciRR6n59RNm1GRDKfElkUyU4AVSom3Up9UuWPofbx I0RjYrHcoOyaPy7t3gwllijfsy01RICxsAQbnCYWFtN+XeGfeNFQasyzualj/7fK Xe8nLywHoYMqfkIeogO9LTBUsRmO9Mk05QEVAAGdM9o3JoHZVR+u1Sc05CvCHPp/ wMiIYUOWzmLzpdhdWq9OqzIVr4fAhnrpI9Iz8gcfljCA7DQp9kboQRSPocJM6KRB mvM0AiNenrcEBLExUmjC =Gu1v -----END PGP SIGNATURE----- Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20180301' into staging target-arm queue: * update MAINTAINERS for Alistair's new email address * add Arm v8.2 FP16 arithmetic extension for linux-user * implement display connector emulation for vexpress board * xilinx_spips: Enable only two slaves when reading/writing with stripe * xilinx_spips: Use 8 dummy cycles with the QIOR/QIOR4 commands * hw: register: Run post_write hook on reset # gpg: Signature made Thu 01 Mar 2018 11:22:46 GMT # gpg: using RSA key 3C2525ED14360CDE # gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" # gpg: aka "Peter Maydell <pmaydell@gmail.com>" # gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" # Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE * remotes/pmaydell/tags/pull-target-arm-20180301: (42 commits) MAINTAINERS: Update my email address linux-user: Report AArch64 FP16 support via hwcap bits target/arm: Enable ARM_V8_FP16 feature bit for the AArch64 "any" CPU arm/translate-a64: add all single op FP16 to handle_fp_1src_half arm/translate-a64: implement simd_scalar_three_reg_same_fp16 arm/translate-a64: add all FP16 ops in simd_scalar_pairwise arm/translate-a64: add FP16 FMOV to simd_mod_imm arm/translate-a64: add FP16 FRSQRTE to simd_two_reg_misc_fp16 arm/helper.c: re-factor rsqrte and add rsqrte_f16 arm/translate-a64: add FP16 FSQRT to simd_two_reg_misc_fp16 arm/translate-a64: add FP16 FRCPX to simd_two_reg_misc_fp16 arm/translate-a64: add FP16 FRECPE arm/helper.c: re-factor recpe and add recepe_f16 arm/translate-a64: add FP16 FNEG/FABS to simd_two_reg_misc_fp16 arm/translate-a64: add FP16 SCVTF/UCVFT to simd_two_reg_misc_fp16 arm/translate-a64: add FP16 FCMxx (zero) to simd_two_reg_misc_fp16 arm/translate-a64: add FCVTxx to simd_two_reg_misc_fp16 arm/translate-a64: add FP16 FPRINTx to simd_two_reg_misc_fp16 arm/translate-a64: initial decode for simd_two_reg_misc_fp16 arm/translate-a64: add FP16 x2 ops for simd_indexed ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell
commit
9db0855e85
12
MAINTAINERS
12
MAINTAINERS
@ -556,7 +556,7 @@ F: hw/misc/arm_sysctl.c
|
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|
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Xilinx Zynq
|
||||
M: Edgar E. Iglesias <edgar.iglesias@gmail.com>
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M: Alistair Francis <alistair.francis@xilinx.com>
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M: Alistair Francis <alistair@alistair23.me>
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L: qemu-arm@nongnu.org
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S: Maintained
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F: hw/*/xilinx_*
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@ -566,7 +566,7 @@ F: include/hw/misc/zynq*
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X: hw/ssi/xilinx_*
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Xilinx ZynqMP
|
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M: Alistair Francis <alistair.francis@xilinx.com>
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M: Alistair Francis <alistair@alistair23.me>
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M: Edgar E. Iglesias <edgar.iglesias@gmail.com>
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L: qemu-arm@nongnu.org
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S: Maintained
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||||
@ -1075,7 +1075,7 @@ T: git git://github.com/bonzini/qemu.git scsi-next
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SSI
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M: Peter Crosthwaite <crosthwaite.peter@gmail.com>
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M: Alistair Francis <alistair.francis@xilinx.com>
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M: Alistair Francis <alistair@alistair23.me>
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S: Maintained
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F: hw/ssi/*
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F: hw/block/m25p80.c
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@ -1084,7 +1084,7 @@ X: hw/ssi/xilinx_*
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F: tests/m25p80-test.c
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Xilinx SPI
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M: Alistair Francis <alistair.francis@xilinx.com>
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M: Alistair Francis <alistair@alistair23.me>
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||||
M: Peter Crosthwaite <crosthwaite.peter@gmail.com>
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S: Maintained
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||||
F: hw/ssi/xilinx_*
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@ -1254,7 +1254,7 @@ S: Maintained
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||||
F: hw/net/eepro100.c
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Generic Loader
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M: Alistair Francis <alistair.francis@xilinx.com>
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M: Alistair Francis <alistair@alistair23.me>
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S: Maintained
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||||
F: hw/core/generic-loader.c
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F: include/hw/core/generic-loader.h
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@ -1600,7 +1600,7 @@ F: tests/qmp-test.c
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T: git git://repo.or.cz/qemu/armbru.git qapi-next
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Register API
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M: Alistair Francis <alistair.francis@xilinx.com>
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M: Alistair Francis <alistair@alistair23.me>
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S: Maintained
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F: hw/core/register.c
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F: include/hw/register.h
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@ -21,6 +21,8 @@ CONFIG_STELLARIS_INPUT=y
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CONFIG_STELLARIS_ENET=y
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CONFIG_SSD0303=y
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CONFIG_SSD0323=y
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CONFIG_DDC=y
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CONFIG_SII9022=y
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CONFIG_ADS7846=y
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CONFIG_MAX111X=y
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CONFIG_SSI=y
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@ -29,6 +29,7 @@
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#include "hw/arm/arm.h"
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#include "hw/arm/primecell.h"
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#include "hw/devices.h"
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#include "hw/i2c/i2c.h"
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#include "net/net.h"
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#include "sysemu/sysemu.h"
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#include "hw/boards.h"
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@ -537,6 +538,7 @@ static void vexpress_common_init(MachineState *machine)
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uint32_t sys_id;
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DriveInfo *dinfo;
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pflash_t *pflash0;
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I2CBus *i2c;
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ram_addr_t vram_size, sram_size;
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MemoryRegion *sysmem = get_system_memory();
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MemoryRegion *vram = g_new(MemoryRegion, 1);
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@ -628,7 +630,9 @@ static void vexpress_common_init(MachineState *machine)
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sysbus_create_simple("sp804", map[VE_TIMER01], pic[2]);
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sysbus_create_simple("sp804", map[VE_TIMER23], pic[3]);
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/* VE_SERIALDVI: not modelled */
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dev = sysbus_create_simple("versatile_i2c", map[VE_SERIALDVI], NULL);
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i2c = (I2CBus *)qdev_get_child_bus(dev, "i2c");
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i2c_create_slave(i2c, "sii9022", 0x39);
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sysbus_create_simple("pl031", map[VE_RTC], pic[4]); /* RTC */
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@ -159,13 +159,21 @@ uint64_t register_read(RegisterInfo *reg, uint64_t re, const char* prefix,
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void register_reset(RegisterInfo *reg)
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{
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const RegisterAccessInfo *ac;
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g_assert(reg);
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if (!reg->data || !reg->access) {
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return;
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}
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ac = reg->access;
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register_write_val(reg, reg->access->reset);
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if (ac->post_write) {
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ac->post_write(reg, reg->access->reset);
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}
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}
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void register_init(RegisterInfo *reg)
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@ -3,6 +3,7 @@ common-obj-$(CONFIG_VGA_CIRRUS) += cirrus_vga.o
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common-obj-$(CONFIG_G364FB) += g364fb.o
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common-obj-$(CONFIG_JAZZ_LED) += jazz_led.o
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common-obj-$(CONFIG_PL110) += pl110.o
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common-obj-$(CONFIG_SII9022) += sii9022.o
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common-obj-$(CONFIG_SSD0303) += ssd0303.o
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common-obj-$(CONFIG_SSD0323) += ssd0323.o
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common-obj-$(CONFIG_XEN) += xenfb.o
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191
hw/display/sii9022.c
Normal file
191
hw/display/sii9022.c
Normal file
@ -0,0 +1,191 @@
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/*
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* Silicon Image SiI9022
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*
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* This is a pretty hollow emulation: all we do is acknowledge that we
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* exist (chip ID) and confirm that we get switched over into DDC mode
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* so the emulated host can proceed to read out EDID data. All subsequent
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* set-up of connectors etc will be acknowledged and ignored.
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*
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* Copyright (C) 2018 Linus Walleij
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "qemu/osdep.h"
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#include "qemu-common.h"
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#include "hw/i2c/i2c.h"
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#include "hw/i2c/i2c-ddc.h"
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#include "trace.h"
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#define SII9022_SYS_CTRL_DATA 0x1a
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#define SII9022_SYS_CTRL_PWR_DWN 0x10
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#define SII9022_SYS_CTRL_AV_MUTE 0x08
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#define SII9022_SYS_CTRL_DDC_BUS_REQ 0x04
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#define SII9022_SYS_CTRL_DDC_BUS_GRTD 0x02
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#define SII9022_SYS_CTRL_OUTPUT_MODE 0x01
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#define SII9022_SYS_CTRL_OUTPUT_HDMI 1
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#define SII9022_SYS_CTRL_OUTPUT_DVI 0
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#define SII9022_REG_CHIPID 0x1b
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#define SII9022_INT_ENABLE 0x3c
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#define SII9022_INT_STATUS 0x3d
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#define SII9022_INT_STATUS_HOTPLUG 0x01;
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#define SII9022_INT_STATUS_PLUGGED 0x04;
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#define TYPE_SII9022 "sii9022"
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#define SII9022(obj) OBJECT_CHECK(sii9022_state, (obj), TYPE_SII9022)
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typedef struct sii9022_state {
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I2CSlave parent_obj;
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uint8_t ptr;
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bool addr_byte;
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bool ddc_req;
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bool ddc_skip_finish;
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bool ddc;
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} sii9022_state;
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static const VMStateDescription vmstate_sii9022 = {
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.name = "sii9022",
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.version_id = 1,
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.minimum_version_id = 1,
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.fields = (VMStateField[]) {
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VMSTATE_I2C_SLAVE(parent_obj, sii9022_state),
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VMSTATE_UINT8(ptr, sii9022_state),
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VMSTATE_BOOL(addr_byte, sii9022_state),
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VMSTATE_BOOL(ddc_req, sii9022_state),
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VMSTATE_BOOL(ddc_skip_finish, sii9022_state),
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VMSTATE_BOOL(ddc, sii9022_state),
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VMSTATE_END_OF_LIST()
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}
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};
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static int sii9022_event(I2CSlave *i2c, enum i2c_event event)
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{
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sii9022_state *s = SII9022(i2c);
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switch (event) {
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case I2C_START_SEND:
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s->addr_byte = true;
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break;
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case I2C_START_RECV:
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break;
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case I2C_FINISH:
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break;
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case I2C_NACK:
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break;
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}
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return 0;
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}
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static int sii9022_rx(I2CSlave *i2c)
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{
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sii9022_state *s = SII9022(i2c);
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uint8_t res = 0x00;
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switch (s->ptr) {
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case SII9022_SYS_CTRL_DATA:
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if (s->ddc_req) {
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/* Acknowledge DDC bus request */
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res = SII9022_SYS_CTRL_DDC_BUS_GRTD | SII9022_SYS_CTRL_DDC_BUS_REQ;
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}
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break;
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||||
case SII9022_REG_CHIPID:
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res = 0xb0;
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break;
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case SII9022_INT_STATUS:
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/* Something is cold-plugged in, no interrupts */
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res = SII9022_INT_STATUS_PLUGGED;
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break;
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default:
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break;
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}
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||||
trace_sii9022_read_reg(s->ptr, res);
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s->ptr++;
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
static int sii9022_tx(I2CSlave *i2c, uint8_t data)
|
||||
{
|
||||
sii9022_state *s = SII9022(i2c);
|
||||
|
||||
if (s->addr_byte) {
|
||||
s->ptr = data;
|
||||
s->addr_byte = false;
|
||||
return 0;
|
||||
}
|
||||
|
||||
switch (s->ptr) {
|
||||
case SII9022_SYS_CTRL_DATA:
|
||||
if (data & SII9022_SYS_CTRL_DDC_BUS_REQ) {
|
||||
s->ddc_req = true;
|
||||
if (data & SII9022_SYS_CTRL_DDC_BUS_GRTD) {
|
||||
s->ddc = true;
|
||||
/* Skip this finish since we just switched to DDC */
|
||||
s->ddc_skip_finish = true;
|
||||
trace_sii9022_switch_mode("DDC");
|
||||
}
|
||||
} else {
|
||||
s->ddc_req = false;
|
||||
s->ddc = false;
|
||||
trace_sii9022_switch_mode("normal");
|
||||
}
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
trace_sii9022_write_reg(s->ptr, data);
|
||||
s->ptr++;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void sii9022_reset(DeviceState *dev)
|
||||
{
|
||||
sii9022_state *s = SII9022(dev);
|
||||
|
||||
s->ptr = 0;
|
||||
s->addr_byte = false;
|
||||
s->ddc_req = false;
|
||||
s->ddc_skip_finish = false;
|
||||
s->ddc = false;
|
||||
}
|
||||
|
||||
static void sii9022_realize(DeviceState *dev, Error **errp)
|
||||
{
|
||||
I2CBus *bus;
|
||||
|
||||
bus = I2C_BUS(qdev_get_parent_bus(dev));
|
||||
i2c_create_slave(bus, TYPE_I2CDDC, 0x50);
|
||||
}
|
||||
|
||||
static void sii9022_class_init(ObjectClass *klass, void *data)
|
||||
{
|
||||
DeviceClass *dc = DEVICE_CLASS(klass);
|
||||
I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);
|
||||
|
||||
k->event = sii9022_event;
|
||||
k->recv = sii9022_rx;
|
||||
k->send = sii9022_tx;
|
||||
dc->reset = sii9022_reset;
|
||||
dc->realize = sii9022_realize;
|
||||
dc->vmsd = &vmstate_sii9022;
|
||||
}
|
||||
|
||||
static const TypeInfo sii9022_info = {
|
||||
.name = TYPE_SII9022,
|
||||
.parent = TYPE_I2C_SLAVE,
|
||||
.instance_size = sizeof(sii9022_state),
|
||||
.class_init = sii9022_class_init,
|
||||
};
|
||||
|
||||
static void sii9022_register_types(void)
|
||||
{
|
||||
type_register_static(&sii9022_info);
|
||||
}
|
||||
|
||||
type_init(sii9022_register_types)
|
||||
@ -132,3 +132,8 @@ vga_cirrus_read_io(uint32_t addr, uint32_t val) "addr 0x%x, val 0x%x"
|
||||
vga_cirrus_write_io(uint32_t addr, uint32_t val) "addr 0x%x, val 0x%x"
|
||||
vga_cirrus_read_blt(uint32_t offset, uint32_t val) "offset 0x%x, val 0x%x"
|
||||
vga_cirrus_write_blt(uint32_t offset, uint32_t val) "offset 0x%x, val 0x%x"
|
||||
|
||||
# hw/display/sii9022.c
|
||||
sii9022_read_reg(uint8_t addr, uint8_t val) "addr 0x%02x, val 0x%02x"
|
||||
sii9022_write_reg(uint8_t addr, uint8_t val) "addr 0x%02x, val 0x%02x"
|
||||
sii9022_switch_mode(const char *mode) "mode: %s"
|
||||
|
||||
@ -10,31 +10,13 @@
|
||||
#include "qemu/osdep.h"
|
||||
#include "hw/i2c/i2c.h"
|
||||
|
||||
typedef struct I2CNode I2CNode;
|
||||
|
||||
struct I2CNode {
|
||||
I2CSlave *elt;
|
||||
QLIST_ENTRY(I2CNode) next;
|
||||
};
|
||||
|
||||
#define I2C_BROADCAST 0x00
|
||||
|
||||
struct I2CBus
|
||||
{
|
||||
BusState qbus;
|
||||
QLIST_HEAD(, I2CNode) current_devs;
|
||||
uint8_t saved_address;
|
||||
bool broadcast;
|
||||
};
|
||||
|
||||
static Property i2c_props[] = {
|
||||
DEFINE_PROP_UINT8("address", struct I2CSlave, address, 0),
|
||||
DEFINE_PROP_END_OF_LIST(),
|
||||
};
|
||||
|
||||
#define TYPE_I2C_BUS "i2c-bus"
|
||||
#define I2C_BUS(obj) OBJECT_CHECK(I2CBus, (obj), TYPE_I2C_BUS)
|
||||
|
||||
static const TypeInfo i2c_bus_info = {
|
||||
.name = TYPE_I2C_BUS,
|
||||
.parent = TYPE_BUS,
|
||||
|
||||
@ -259,12 +259,12 @@ static int i2c_ddc_tx(I2CSlave *i2c, uint8_t data)
|
||||
s->reg = data;
|
||||
s->firstbyte = false;
|
||||
DPRINTF("[EDID] Written new pointer: %u\n", data);
|
||||
return 1;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Ignore all writes */
|
||||
s->reg++;
|
||||
return 1;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void i2c_ddc_init(Object *obj)
|
||||
|
||||
@ -223,7 +223,7 @@ static void xilinx_spips_update_cs(XilinxSPIPS *s, int field)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < s->num_cs; i++) {
|
||||
for (i = 0; i < s->num_cs * s->num_busses; i++) {
|
||||
bool old_state = s->cs_lines_state[i];
|
||||
bool new_state = field & (1 << i);
|
||||
|
||||
@ -234,7 +234,7 @@ static void xilinx_spips_update_cs(XilinxSPIPS *s, int field)
|
||||
}
|
||||
qemu_set_irq(s->cs_lines[i], !new_state);
|
||||
}
|
||||
if (!(field & ((1 << s->num_cs) - 1))) {
|
||||
if (!(field & ((1 << (s->num_cs * s->num_busses)) - 1))) {
|
||||
s->snoop_state = SNOOP_CHECKING;
|
||||
s->cmd_dummies = 0;
|
||||
s->link_state = 1;
|
||||
@ -248,7 +248,40 @@ static void xlnx_zynqmp_qspips_update_cs_lines(XlnxZynqMPQSPIPS *s)
|
||||
{
|
||||
if (s->regs[R_GQSPI_GF_SNAPSHOT]) {
|
||||
int field = ARRAY_FIELD_EX32(s->regs, GQSPI_GF_SNAPSHOT, CHIP_SELECT);
|
||||
xilinx_spips_update_cs(XILINX_SPIPS(s), field);
|
||||
bool upper_cs_sel = field & (1 << 1);
|
||||
bool lower_cs_sel = field & 1;
|
||||
bool bus0_enabled;
|
||||
bool bus1_enabled;
|
||||
uint8_t buses;
|
||||
int cs = 0;
|
||||
|
||||
buses = ARRAY_FIELD_EX32(s->regs, GQSPI_GF_SNAPSHOT, DATA_BUS_SELECT);
|
||||
bus0_enabled = buses & 1;
|
||||
bus1_enabled = buses & (1 << 1);
|
||||
|
||||
if (bus0_enabled && bus1_enabled) {
|
||||
if (lower_cs_sel) {
|
||||
cs |= 1;
|
||||
}
|
||||
if (upper_cs_sel) {
|
||||
cs |= 1 << 3;
|
||||
}
|
||||
} else if (bus0_enabled) {
|
||||
if (lower_cs_sel) {
|
||||
cs |= 1;
|
||||
}
|
||||
if (upper_cs_sel) {
|
||||
cs |= 1 << 1;
|
||||
}
|
||||
} else if (bus1_enabled) {
|
||||
if (lower_cs_sel) {
|
||||
cs |= 1 << 2;
|
||||
}
|
||||
if (upper_cs_sel) {
|
||||
cs |= 1 << 3;
|
||||
}
|
||||
}
|
||||
xilinx_spips_update_cs(XILINX_SPIPS(s), cs);
|
||||
}
|
||||
}
|
||||
|
||||
@ -260,7 +293,7 @@ static void xilinx_spips_update_cs_lines(XilinxSPIPS *s)
|
||||
if (num_effective_busses(s) == 2) {
|
||||
/* Single bit chip-select for qspi */
|
||||
field &= 0x1;
|
||||
field |= field << 1;
|
||||
field |= field << 3;
|
||||
/* Dual stack U-Page */
|
||||
} else if (s->regs[R_LQSPI_CFG] & LQSPI_CFG_TWO_MEM &&
|
||||
s->regs[R_LQSPI_STS] & LQSPI_CFG_U_PAGE) {
|
||||
@ -544,7 +577,7 @@ static int xilinx_spips_num_dummies(XilinxQSPIPS *qs, uint8_t command)
|
||||
return 2;
|
||||
case QIOR:
|
||||
case QIOR_4:
|
||||
return 5;
|
||||
return 4;
|
||||
default:
|
||||
return -1;
|
||||
}
|
||||
|
||||
@ -26,6 +26,7 @@
|
||||
#define dh_alias_int i32
|
||||
#define dh_alias_i64 i64
|
||||
#define dh_alias_s64 i64
|
||||
#define dh_alias_f16 i32
|
||||
#define dh_alias_f32 i32
|
||||
#define dh_alias_f64 i64
|
||||
#define dh_alias_ptr ptr
|
||||
@ -38,6 +39,7 @@
|
||||
#define dh_ctype_int int
|
||||
#define dh_ctype_i64 uint64_t
|
||||
#define dh_ctype_s64 int64_t
|
||||
#define dh_ctype_f16 float16
|
||||
#define dh_ctype_f32 float32
|
||||
#define dh_ctype_f64 float64
|
||||
#define dh_ctype_ptr void *
|
||||
@ -94,6 +96,7 @@
|
||||
#define dh_is_signed_s32 1
|
||||
#define dh_is_signed_i64 0
|
||||
#define dh_is_signed_s64 1
|
||||
#define dh_is_signed_f16 0
|
||||
#define dh_is_signed_f32 0
|
||||
#define dh_is_signed_f64 0
|
||||
#define dh_is_signed_tl 0
|
||||
|
||||
@ -306,8 +306,11 @@ static inline float16 float16_set_sign(float16 a, int sign)
|
||||
}
|
||||
|
||||
#define float16_zero make_float16(0)
|
||||
#define float16_one make_float16(0x3c00)
|
||||
#define float16_half make_float16(0x3800)
|
||||
#define float16_one make_float16(0x3c00)
|
||||
#define float16_one_point_five make_float16(0x3e00)
|
||||
#define float16_two make_float16(0x4000)
|
||||
#define float16_three make_float16(0x4200)
|
||||
#define float16_infinity make_float16(0x7c00)
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
@ -415,11 +418,13 @@ static inline float32 float32_set_sign(float32 a, int sign)
|
||||
}
|
||||
|
||||
#define float32_zero make_float32(0)
|
||||
#define float32_one make_float32(0x3f800000)
|
||||
#define float32_half make_float32(0x3f000000)
|
||||
#define float32_one make_float32(0x3f800000)
|
||||
#define float32_one_point_five make_float32(0x3fc00000)
|
||||
#define float32_two make_float32(0x40000000)
|
||||
#define float32_three make_float32(0x40400000)
|
||||
#define float32_infinity make_float32(0x7f800000)
|
||||
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
| The pattern for a default generated single-precision NaN.
|
||||
*----------------------------------------------------------------------------*/
|
||||
@ -526,9 +531,12 @@ static inline float64 float64_set_sign(float64 a, int sign)
|
||||
}
|
||||
|
||||
#define float64_zero make_float64(0)
|
||||
#define float64_one make_float64(0x3ff0000000000000LL)
|
||||
#define float64_ln2 make_float64(0x3fe62e42fefa39efLL)
|
||||
#define float64_half make_float64(0x3fe0000000000000LL)
|
||||
#define float64_one make_float64(0x3ff0000000000000LL)
|
||||
#define float64_one_point_five make_float64(0x3FF8000000000000ULL)
|
||||
#define float64_two make_float64(0x4000000000000000ULL)
|
||||
#define float64_three make_float64(0x4008000000000000ULL)
|
||||
#define float64_ln2 make_float64(0x3fe62e42fefa39efLL)
|
||||
#define float64_infinity make_float64(0x7ff0000000000000LL)
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
|
||||
@ -25,8 +25,7 @@ typedef struct I2CSlave I2CSlave;
|
||||
#define I2C_SLAVE_GET_CLASS(obj) \
|
||||
OBJECT_GET_CLASS(I2CSlaveClass, (obj), TYPE_I2C_SLAVE)
|
||||
|
||||
typedef struct I2CSlaveClass
|
||||
{
|
||||
typedef struct I2CSlaveClass {
|
||||
DeviceClass parent_class;
|
||||
|
||||
/* Callbacks provided by the device. */
|
||||
@ -50,14 +49,30 @@ typedef struct I2CSlaveClass
|
||||
int (*event)(I2CSlave *s, enum i2c_event event);
|
||||
} I2CSlaveClass;
|
||||
|
||||
struct I2CSlave
|
||||
{
|
||||
struct I2CSlave {
|
||||
DeviceState qdev;
|
||||
|
||||
/* Remaining fields for internal use by the I2C code. */
|
||||
uint8_t address;
|
||||
};
|
||||
|
||||
#define TYPE_I2C_BUS "i2c-bus"
|
||||
#define I2C_BUS(obj) OBJECT_CHECK(I2CBus, (obj), TYPE_I2C_BUS)
|
||||
|
||||
typedef struct I2CNode I2CNode;
|
||||
|
||||
struct I2CNode {
|
||||
I2CSlave *elt;
|
||||
QLIST_ENTRY(I2CNode) next;
|
||||
};
|
||||
|
||||
struct I2CBus {
|
||||
BusState qbus;
|
||||
QLIST_HEAD(, I2CNode) current_devs;
|
||||
uint8_t saved_address;
|
||||
bool broadcast;
|
||||
};
|
||||
|
||||
I2CBus *i2c_init_bus(DeviceState *parent, const char *name);
|
||||
void i2c_set_slave_address(I2CSlave *dev, uint8_t address);
|
||||
int i2c_bus_busy(I2CBus *bus);
|
||||
|
||||
@ -34,7 +34,7 @@ typedef struct RegisterInfoArray RegisterInfoArray;
|
||||
* immediately before the actual write. The returned value is what is written,
|
||||
* giving the handler a chance to modify the written value.
|
||||
* @post_write: Post write callback. Passed the written value. Most write side
|
||||
* effects should be implemented here.
|
||||
* effects should be implemented here. This is called during device reset.
|
||||
*
|
||||
* @post_read: Post read callback. Passes the value that is about to be returned
|
||||
* for a read. The return value from this function is what is ultimately read,
|
||||
@ -135,8 +135,8 @@ uint64_t register_read(RegisterInfo *reg, uint64_t re, const char* prefix,
|
||||
bool debug);
|
||||
|
||||
/**
|
||||
* reset a register
|
||||
* @reg: register to reset
|
||||
* Resets a register. This will also call the post_write hook if it exists.
|
||||
* @reg: The register to reset.
|
||||
*/
|
||||
|
||||
void register_reset(RegisterInfo *reg);
|
||||
|
||||
@ -551,6 +551,8 @@ static uint32_t get_elf_hwcap(void)
|
||||
GET_FEATURE(ARM_FEATURE_V8_SM3, ARM_HWCAP_A64_SM3);
|
||||
GET_FEATURE(ARM_FEATURE_V8_SM4, ARM_HWCAP_A64_SM4);
|
||||
GET_FEATURE(ARM_FEATURE_V8_SHA512, ARM_HWCAP_A64_SHA512);
|
||||
GET_FEATURE(ARM_FEATURE_V8_FP16,
|
||||
ARM_HWCAP_A64_FPHP | ARM_HWCAP_A64_ASIMDHP);
|
||||
#undef GET_FEATURE
|
||||
|
||||
return hwcaps;
|
||||
|
||||
@ -168,6 +168,7 @@ typedef struct {
|
||||
* Qn = regs[n].d[1]:regs[n].d[0]
|
||||
* Dn = regs[n].d[0]
|
||||
* Sn = regs[n].d[0] bits 31..0
|
||||
* Hn = regs[n].d[0] bits 15..0
|
||||
*
|
||||
* This corresponds to the architecturally defined mapping between
|
||||
* the two execution states, and means we do not need to explicitly
|
||||
@ -537,19 +538,29 @@ typedef struct CPUARMState {
|
||||
/* scratch space when Tn are not sufficient. */
|
||||
uint32_t scratch[8];
|
||||
|
||||
/* fp_status is the "normal" fp status. standard_fp_status retains
|
||||
* values corresponding to the ARM "Standard FPSCR Value", ie
|
||||
* default-NaN, flush-to-zero, round-to-nearest and is used by
|
||||
* any operations (generally Neon) which the architecture defines
|
||||
* as controlled by the standard FPSCR value rather than the FPSCR.
|
||||
/* There are a number of distinct float control structures:
|
||||
*
|
||||
* fp_status: is the "normal" fp status.
|
||||
* fp_status_fp16: used for half-precision calculations
|
||||
* standard_fp_status : the ARM "Standard FPSCR Value"
|
||||
*
|
||||
* Half-precision operations are governed by a separate
|
||||
* flush-to-zero control bit in FPSCR:FZ16. We pass a separate
|
||||
* status structure to control this.
|
||||
*
|
||||
* The "Standard FPSCR", ie default-NaN, flush-to-zero,
|
||||
* round-to-nearest and is used by any operations (generally
|
||||
* Neon) which the architecture defines as controlled by the
|
||||
* standard FPSCR value rather than the FPSCR.
|
||||
*
|
||||
* To avoid having to transfer exception bits around, we simply
|
||||
* say that the FPSCR cumulative exception flags are the logical
|
||||
* OR of the flags in the two fp statuses. This relies on the
|
||||
* OR of the flags in the three fp statuses. This relies on the
|
||||
* only thing which needs to read the exception flags being
|
||||
* an explicit FPSCR read.
|
||||
*/
|
||||
float_status fp_status;
|
||||
float_status fp_status_f16;
|
||||
float_status standard_fp_status;
|
||||
|
||||
/* ZCR_EL[1-3] */
|
||||
@ -1189,12 +1200,20 @@ static inline void xpsr_write(CPUARMState *env, uint32_t val, uint32_t mask)
|
||||
uint32_t vfp_get_fpscr(CPUARMState *env);
|
||||
void vfp_set_fpscr(CPUARMState *env, uint32_t val);
|
||||
|
||||
/* For A64 the FPSCR is split into two logically distinct registers,
|
||||
/* FPCR, Floating Point Control Register
|
||||
* FPSR, Floating Poiht Status Register
|
||||
*
|
||||
* For A64 the FPSCR is split into two logically distinct registers,
|
||||
* FPCR and FPSR. However since they still use non-overlapping bits
|
||||
* we store the underlying state in fpscr and just mask on read/write.
|
||||
*/
|
||||
#define FPSR_MASK 0xf800009f
|
||||
#define FPCR_MASK 0x07f79f00
|
||||
|
||||
#define FPCR_FZ16 (1 << 19) /* ARMv8.2+, FP16 flush-to-zero */
|
||||
#define FPCR_FZ (1 << 24) /* Flush-to-zero enable bit */
|
||||
#define FPCR_DN (1 << 25) /* Default NaN enable bit */
|
||||
|
||||
static inline uint32_t vfp_get_fpsr(CPUARMState *env)
|
||||
{
|
||||
return vfp_get_fpscr(env) & FPSR_MASK;
|
||||
@ -1408,6 +1427,7 @@ enum arm_features {
|
||||
ARM_FEATURE_V8_SHA3, /* implements SHA3 part of v8 Crypto Extensions */
|
||||
ARM_FEATURE_V8_SM3, /* implements SM3 part of v8 Crypto Extensions */
|
||||
ARM_FEATURE_V8_SM4, /* implements SM4 part of v8 Crypto Extensions */
|
||||
ARM_FEATURE_V8_FP16, /* implements v8.2 half-precision float */
|
||||
};
|
||||
|
||||
static inline int arm_feature(CPUARMState *env, int feature)
|
||||
|
||||
@ -230,6 +230,7 @@ static void aarch64_any_initfn(Object *obj)
|
||||
set_feature(&cpu->env, ARM_FEATURE_V8_SM4);
|
||||
set_feature(&cpu->env, ARM_FEATURE_V8_PMULL);
|
||||
set_feature(&cpu->env, ARM_FEATURE_CRC);
|
||||
set_feature(&cpu->env, ARM_FEATURE_V8_FP16);
|
||||
cpu->ctr = 0x80038003; /* 32 byte I and D cacheline size, VIPT icache */
|
||||
cpu->dcz_blocksize = 7; /* 512 bytes */
|
||||
}
|
||||
|
||||
@ -192,6 +192,10 @@ uint64_t HELPER(neon_cgt_f64)(float64 a, float64 b, void *fpstp)
|
||||
* versions, these do a fully fused multiply-add or
|
||||
* multiply-add-and-halve.
|
||||
*/
|
||||
#define float16_two make_float16(0x4000)
|
||||
#define float16_three make_float16(0x4200)
|
||||
#define float16_one_point_five make_float16(0x3e00)
|
||||
|
||||
#define float32_two make_float32(0x40000000)
|
||||
#define float32_three make_float32(0x40400000)
|
||||
#define float32_one_point_five make_float32(0x3fc00000)
|
||||
@ -200,6 +204,21 @@ uint64_t HELPER(neon_cgt_f64)(float64 a, float64 b, void *fpstp)
|
||||
#define float64_three make_float64(0x4008000000000000ULL)
|
||||
#define float64_one_point_five make_float64(0x3FF8000000000000ULL)
|
||||
|
||||
float16 HELPER(recpsf_f16)(float16 a, float16 b, void *fpstp)
|
||||
{
|
||||
float_status *fpst = fpstp;
|
||||
|
||||
a = float16_squash_input_denormal(a, fpst);
|
||||
b = float16_squash_input_denormal(b, fpst);
|
||||
|
||||
a = float16_chs(a);
|
||||
if ((float16_is_infinity(a) && float16_is_zero(b)) ||
|
||||
(float16_is_infinity(b) && float16_is_zero(a))) {
|
||||
return float16_two;
|
||||
}
|
||||
return float16_muladd(a, b, float16_two, 0, fpst);
|
||||
}
|
||||
|
||||
float32 HELPER(recpsf_f32)(float32 a, float32 b, void *fpstp)
|
||||
{
|
||||
float_status *fpst = fpstp;
|
||||
@ -230,6 +249,21 @@ float64 HELPER(recpsf_f64)(float64 a, float64 b, void *fpstp)
|
||||
return float64_muladd(a, b, float64_two, 0, fpst);
|
||||
}
|
||||
|
||||
float16 HELPER(rsqrtsf_f16)(float16 a, float16 b, void *fpstp)
|
||||
{
|
||||
float_status *fpst = fpstp;
|
||||
|
||||
a = float16_squash_input_denormal(a, fpst);
|
||||
b = float16_squash_input_denormal(b, fpst);
|
||||
|
||||
a = float16_chs(a);
|
||||
if ((float16_is_infinity(a) && float16_is_zero(b)) ||
|
||||
(float16_is_infinity(b) && float16_is_zero(a))) {
|
||||
return float16_one_point_five;
|
||||
}
|
||||
return float16_muladd(a, b, float16_three, float_muladd_halve_result, fpst);
|
||||
}
|
||||
|
||||
float32 HELPER(rsqrtsf_f32)(float32 a, float32 b, void *fpstp)
|
||||
{
|
||||
float_status *fpst = fpstp;
|
||||
@ -322,6 +356,35 @@ uint64_t HELPER(neon_addlp_u16)(uint64_t a)
|
||||
}
|
||||
|
||||
/* Floating-point reciprocal exponent - see FPRecpX in ARM ARM */
|
||||
float16 HELPER(frecpx_f16)(float16 a, void *fpstp)
|
||||
{
|
||||
float_status *fpst = fpstp;
|
||||
uint16_t val16, sbit;
|
||||
int16_t exp;
|
||||
|
||||
if (float16_is_any_nan(a)) {
|
||||
float16 nan = a;
|
||||
if (float16_is_signaling_nan(a, fpst)) {
|
||||
float_raise(float_flag_invalid, fpst);
|
||||
nan = float16_maybe_silence_nan(a, fpst);
|
||||
}
|
||||
if (fpst->default_nan_mode) {
|
||||
nan = float16_default_nan(fpst);
|
||||
}
|
||||
return nan;
|
||||
}
|
||||
|
||||
val16 = float16_val(a);
|
||||
sbit = 0x8000 & val16;
|
||||
exp = extract32(val16, 10, 5);
|
||||
|
||||
if (exp == 0) {
|
||||
return make_float16(deposit32(sbit, 10, 5, 0x1e));
|
||||
} else {
|
||||
return make_float16(deposit32(sbit, 10, 5, ~exp));
|
||||
}
|
||||
}
|
||||
|
||||
float32 HELPER(frecpx_f32)(float32 a, void *fpstp)
|
||||
{
|
||||
float_status *fpst = fpstp;
|
||||
@ -572,3 +635,209 @@ uint64_t HELPER(paired_cmpxchg64_be_parallel)(CPUARMState *env, uint64_t addr,
|
||||
{
|
||||
return do_paired_cmpxchg64_be(env, addr, new_lo, new_hi, true, GETPC());
|
||||
}
|
||||
|
||||
/*
|
||||
* AdvSIMD half-precision
|
||||
*/
|
||||
|
||||
#define ADVSIMD_HELPER(name, suffix) HELPER(glue(glue(advsimd_, name), suffix))
|
||||
|
||||
#define ADVSIMD_HALFOP(name) \
|
||||
float16 ADVSIMD_HELPER(name, h)(float16 a, float16 b, void *fpstp) \
|
||||
{ \
|
||||
float_status *fpst = fpstp; \
|
||||
return float16_ ## name(a, b, fpst); \
|
||||
}
|
||||
|
||||
ADVSIMD_HALFOP(add)
|
||||
ADVSIMD_HALFOP(sub)
|
||||
ADVSIMD_HALFOP(mul)
|
||||
ADVSIMD_HALFOP(div)
|
||||
ADVSIMD_HALFOP(min)
|
||||
ADVSIMD_HALFOP(max)
|
||||
ADVSIMD_HALFOP(minnum)
|
||||
ADVSIMD_HALFOP(maxnum)
|
||||
|
||||
#define ADVSIMD_TWOHALFOP(name) \
|
||||
uint32_t ADVSIMD_HELPER(name, 2h)(uint32_t two_a, uint32_t two_b, void *fpstp) \
|
||||
{ \
|
||||
float16 a1, a2, b1, b2; \
|
||||
uint32_t r1, r2; \
|
||||
float_status *fpst = fpstp; \
|
||||
a1 = extract32(two_a, 0, 16); \
|
||||
a2 = extract32(two_a, 16, 16); \
|
||||
b1 = extract32(two_b, 0, 16); \
|
||||
b2 = extract32(two_b, 16, 16); \
|
||||
r1 = float16_ ## name(a1, b1, fpst); \
|
||||
r2 = float16_ ## name(a2, b2, fpst); \
|
||||
return deposit32(r1, 16, 16, r2); \
|
||||
}
|
||||
|
||||
ADVSIMD_TWOHALFOP(add)
|
||||
ADVSIMD_TWOHALFOP(sub)
|
||||
ADVSIMD_TWOHALFOP(mul)
|
||||
ADVSIMD_TWOHALFOP(div)
|
||||
ADVSIMD_TWOHALFOP(min)
|
||||
ADVSIMD_TWOHALFOP(max)
|
||||
ADVSIMD_TWOHALFOP(minnum)
|
||||
ADVSIMD_TWOHALFOP(maxnum)
|
||||
|
||||
/* Data processing - scalar floating-point and advanced SIMD */
|
||||
static float16 float16_mulx(float16 a, float16 b, void *fpstp)
|
||||
{
|
||||
float_status *fpst = fpstp;
|
||||
|
||||
a = float16_squash_input_denormal(a, fpst);
|
||||
b = float16_squash_input_denormal(b, fpst);
|
||||
|
||||
if ((float16_is_zero(a) && float16_is_infinity(b)) ||
|
||||
(float16_is_infinity(a) && float16_is_zero(b))) {
|
||||
/* 2.0 with the sign bit set to sign(A) XOR sign(B) */
|
||||
return make_float16((1U << 14) |
|
||||
((float16_val(a) ^ float16_val(b)) & (1U << 15)));
|
||||
}
|
||||
return float16_mul(a, b, fpst);
|
||||
}
|
||||
|
||||
ADVSIMD_HALFOP(mulx)
|
||||
ADVSIMD_TWOHALFOP(mulx)
|
||||
|
||||
/* fused multiply-accumulate */
|
||||
float16 HELPER(advsimd_muladdh)(float16 a, float16 b, float16 c, void *fpstp)
|
||||
{
|
||||
float_status *fpst = fpstp;
|
||||
return float16_muladd(a, b, c, 0, fpst);
|
||||
}
|
||||
|
||||
uint32_t HELPER(advsimd_muladd2h)(uint32_t two_a, uint32_t two_b,
|
||||
uint32_t two_c, void *fpstp)
|
||||
{
|
||||
float_status *fpst = fpstp;
|
||||
float16 a1, a2, b1, b2, c1, c2;
|
||||
uint32_t r1, r2;
|
||||
a1 = extract32(two_a, 0, 16);
|
||||
a2 = extract32(two_a, 16, 16);
|
||||
b1 = extract32(two_b, 0, 16);
|
||||
b2 = extract32(two_b, 16, 16);
|
||||
c1 = extract32(two_c, 0, 16);
|
||||
c2 = extract32(two_c, 16, 16);
|
||||
r1 = float16_muladd(a1, b1, c1, 0, fpst);
|
||||
r2 = float16_muladd(a2, b2, c2, 0, fpst);
|
||||
return deposit32(r1, 16, 16, r2);
|
||||
}
|
||||
|
||||
/*
|
||||
* Floating point comparisons produce an integer result. Softfloat
|
||||
* routines return float_relation types which we convert to the 0/-1
|
||||
* Neon requires.
|
||||
*/
|
||||
|
||||
#define ADVSIMD_CMPRES(test) (test) ? 0xffff : 0
|
||||
|
||||
uint32_t HELPER(advsimd_ceq_f16)(float16 a, float16 b, void *fpstp)
|
||||
{
|
||||
float_status *fpst = fpstp;
|
||||
int compare = float16_compare_quiet(a, b, fpst);
|
||||
return ADVSIMD_CMPRES(compare == float_relation_equal);
|
||||
}
|
||||
|
||||
uint32_t HELPER(advsimd_cge_f16)(float16 a, float16 b, void *fpstp)
|
||||
{
|
||||
float_status *fpst = fpstp;
|
||||
int compare = float16_compare(a, b, fpst);
|
||||
return ADVSIMD_CMPRES(compare == float_relation_greater ||
|
||||
compare == float_relation_equal);
|
||||
}
|
||||
|
||||
uint32_t HELPER(advsimd_cgt_f16)(float16 a, float16 b, void *fpstp)
|
||||
{
|
||||
float_status *fpst = fpstp;
|
||||
int compare = float16_compare(a, b, fpst);
|
||||
return ADVSIMD_CMPRES(compare == float_relation_greater);
|
||||
}
|
||||
|
||||
uint32_t HELPER(advsimd_acge_f16)(float16 a, float16 b, void *fpstp)
|
||||
{
|
||||
float_status *fpst = fpstp;
|
||||
float16 f0 = float16_abs(a);
|
||||
float16 f1 = float16_abs(b);
|
||||
int compare = float16_compare(f0, f1, fpst);
|
||||
return ADVSIMD_CMPRES(compare == float_relation_greater ||
|
||||
compare == float_relation_equal);
|
||||
}
|
||||
|
||||
uint32_t HELPER(advsimd_acgt_f16)(float16 a, float16 b, void *fpstp)
|
||||
{
|
||||
float_status *fpst = fpstp;
|
||||
float16 f0 = float16_abs(a);
|
||||
float16 f1 = float16_abs(b);
|
||||
int compare = float16_compare(f0, f1, fpst);
|
||||
return ADVSIMD_CMPRES(compare == float_relation_greater);
|
||||
}
|
||||
|
||||
/* round to integral */
|
||||
float16 HELPER(advsimd_rinth_exact)(float16 x, void *fp_status)
|
||||
{
|
||||
return float16_round_to_int(x, fp_status);
|
||||
}
|
||||
|
||||
float16 HELPER(advsimd_rinth)(float16 x, void *fp_status)
|
||||
{
|
||||
int old_flags = get_float_exception_flags(fp_status), new_flags;
|
||||
float16 ret;
|
||||
|
||||
ret = float16_round_to_int(x, fp_status);
|
||||
|
||||
/* Suppress any inexact exceptions the conversion produced */
|
||||
if (!(old_flags & float_flag_inexact)) {
|
||||
new_flags = get_float_exception_flags(fp_status);
|
||||
set_float_exception_flags(new_flags & ~float_flag_inexact, fp_status);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* Half-precision floating point conversion functions
|
||||
*
|
||||
* There are a multitude of conversion functions with various
|
||||
* different rounding modes. This is dealt with by the calling code
|
||||
* setting the mode appropriately before calling the helper.
|
||||
*/
|
||||
|
||||
uint32_t HELPER(advsimd_f16tosinth)(float16 a, void *fpstp)
|
||||
{
|
||||
float_status *fpst = fpstp;
|
||||
|
||||
/* Invalid if we are passed a NaN */
|
||||
if (float16_is_any_nan(a)) {
|
||||
float_raise(float_flag_invalid, fpst);
|
||||
return 0;
|
||||
}
|
||||
return float16_to_int16(a, fpst);
|
||||
}
|
||||
|
||||
uint32_t HELPER(advsimd_f16touinth)(float16 a, void *fpstp)
|
||||
{
|
||||
float_status *fpst = fpstp;
|
||||
|
||||
/* Invalid if we are passed a NaN */
|
||||
if (float16_is_any_nan(a)) {
|
||||
float_raise(float_flag_invalid, fpst);
|
||||
return 0;
|
||||
}
|
||||
return float16_to_uint16(a, fpst);
|
||||
}
|
||||
|
||||
/*
|
||||
* Square Root and Reciprocal square root
|
||||
*/
|
||||
|
||||
float16 HELPER(sqrt_f16)(float16 a, void *fpstp)
|
||||
{
|
||||
float_status *s = fpstp;
|
||||
|
||||
return float16_sqrt(a, s);
|
||||
}
|
||||
|
||||
|
||||
|
||||
@ -29,8 +29,10 @@ DEF_HELPER_FLAGS_3(vfp_mulxd, TCG_CALL_NO_RWG, f64, f64, f64, ptr)
|
||||
DEF_HELPER_FLAGS_3(neon_ceq_f64, TCG_CALL_NO_RWG, i64, i64, i64, ptr)
|
||||
DEF_HELPER_FLAGS_3(neon_cge_f64, TCG_CALL_NO_RWG, i64, i64, i64, ptr)
|
||||
DEF_HELPER_FLAGS_3(neon_cgt_f64, TCG_CALL_NO_RWG, i64, i64, i64, ptr)
|
||||
DEF_HELPER_FLAGS_3(recpsf_f16, TCG_CALL_NO_RWG, f16, f16, f16, ptr)
|
||||
DEF_HELPER_FLAGS_3(recpsf_f32, TCG_CALL_NO_RWG, f32, f32, f32, ptr)
|
||||
DEF_HELPER_FLAGS_3(recpsf_f64, TCG_CALL_NO_RWG, f64, f64, f64, ptr)
|
||||
DEF_HELPER_FLAGS_3(rsqrtsf_f16, TCG_CALL_NO_RWG, f16, f16, f16, ptr)
|
||||
DEF_HELPER_FLAGS_3(rsqrtsf_f32, TCG_CALL_NO_RWG, f32, f32, f32, ptr)
|
||||
DEF_HELPER_FLAGS_3(rsqrtsf_f64, TCG_CALL_NO_RWG, f64, f64, f64, ptr)
|
||||
DEF_HELPER_FLAGS_1(neon_addlp_s8, TCG_CALL_NO_RWG_SE, i64, i64)
|
||||
@ -39,6 +41,7 @@ DEF_HELPER_FLAGS_1(neon_addlp_s16, TCG_CALL_NO_RWG_SE, i64, i64)
|
||||
DEF_HELPER_FLAGS_1(neon_addlp_u16, TCG_CALL_NO_RWG_SE, i64, i64)
|
||||
DEF_HELPER_FLAGS_2(frecpx_f64, TCG_CALL_NO_RWG, f64, f64, ptr)
|
||||
DEF_HELPER_FLAGS_2(frecpx_f32, TCG_CALL_NO_RWG, f32, f32, ptr)
|
||||
DEF_HELPER_FLAGS_2(frecpx_f16, TCG_CALL_NO_RWG, f16, f16, ptr)
|
||||
DEF_HELPER_FLAGS_2(fcvtx_f64_to_f32, TCG_CALL_NO_RWG, f32, f64, env)
|
||||
DEF_HELPER_FLAGS_3(crc32_64, TCG_CALL_NO_RWG_SE, i64, i64, i64, i32)
|
||||
DEF_HELPER_FLAGS_3(crc32c_64, TCG_CALL_NO_RWG_SE, i64, i64, i64, i32)
|
||||
@ -48,3 +51,33 @@ DEF_HELPER_FLAGS_4(paired_cmpxchg64_le_parallel, TCG_CALL_NO_WG,
|
||||
DEF_HELPER_FLAGS_4(paired_cmpxchg64_be, TCG_CALL_NO_WG, i64, env, i64, i64, i64)
|
||||
DEF_HELPER_FLAGS_4(paired_cmpxchg64_be_parallel, TCG_CALL_NO_WG,
|
||||
i64, env, i64, i64, i64)
|
||||
DEF_HELPER_FLAGS_3(advsimd_maxh, TCG_CALL_NO_RWG, f16, f16, f16, ptr)
|
||||
DEF_HELPER_FLAGS_3(advsimd_minh, TCG_CALL_NO_RWG, f16, f16, f16, ptr)
|
||||
DEF_HELPER_FLAGS_3(advsimd_maxnumh, TCG_CALL_NO_RWG, f16, f16, f16, ptr)
|
||||
DEF_HELPER_FLAGS_3(advsimd_minnumh, TCG_CALL_NO_RWG, f16, f16, f16, ptr)
|
||||
DEF_HELPER_3(advsimd_addh, f16, f16, f16, ptr)
|
||||
DEF_HELPER_3(advsimd_subh, f16, f16, f16, ptr)
|
||||
DEF_HELPER_3(advsimd_mulh, f16, f16, f16, ptr)
|
||||
DEF_HELPER_3(advsimd_divh, f16, f16, f16, ptr)
|
||||
DEF_HELPER_3(advsimd_ceq_f16, i32, f16, f16, ptr)
|
||||
DEF_HELPER_3(advsimd_cge_f16, i32, f16, f16, ptr)
|
||||
DEF_HELPER_3(advsimd_cgt_f16, i32, f16, f16, ptr)
|
||||
DEF_HELPER_3(advsimd_acge_f16, i32, f16, f16, ptr)
|
||||
DEF_HELPER_3(advsimd_acgt_f16, i32, f16, f16, ptr)
|
||||
DEF_HELPER_3(advsimd_mulxh, f16, f16, f16, ptr)
|
||||
DEF_HELPER_4(advsimd_muladdh, f16, f16, f16, f16, ptr)
|
||||
DEF_HELPER_3(advsimd_add2h, i32, i32, i32, ptr)
|
||||
DEF_HELPER_3(advsimd_sub2h, i32, i32, i32, ptr)
|
||||
DEF_HELPER_3(advsimd_mul2h, i32, i32, i32, ptr)
|
||||
DEF_HELPER_3(advsimd_div2h, i32, i32, i32, ptr)
|
||||
DEF_HELPER_3(advsimd_max2h, i32, i32, i32, ptr)
|
||||
DEF_HELPER_3(advsimd_min2h, i32, i32, i32, ptr)
|
||||
DEF_HELPER_3(advsimd_maxnum2h, i32, i32, i32, ptr)
|
||||
DEF_HELPER_3(advsimd_minnum2h, i32, i32, i32, ptr)
|
||||
DEF_HELPER_3(advsimd_mulx2h, i32, i32, i32, ptr)
|
||||
DEF_HELPER_4(advsimd_muladd2h, i32, i32, i32, i32, ptr)
|
||||
DEF_HELPER_2(advsimd_rinth_exact, f16, f16, ptr)
|
||||
DEF_HELPER_2(advsimd_rinth, f16, f16, ptr)
|
||||
DEF_HELPER_2(advsimd_f16tosinth, i32, f16, ptr)
|
||||
DEF_HELPER_2(advsimd_f16touinth, i32, f16, ptr)
|
||||
DEF_HELPER_2(sqrt_f16, f16, f16, ptr)
|
||||
|
||||
@ -11103,6 +11103,7 @@ uint32_t HELPER(vfp_get_fpscr)(CPUARMState *env)
|
||||
| (env->vfp.vec_stride << 20);
|
||||
i = get_float_exception_flags(&env->vfp.fp_status);
|
||||
i |= get_float_exception_flags(&env->vfp.standard_fp_status);
|
||||
i |= get_float_exception_flags(&env->vfp.fp_status_f16);
|
||||
fpscr |= vfp_exceptbits_from_host(i);
|
||||
return fpscr;
|
||||
}
|
||||
@ -11160,16 +11161,31 @@ void HELPER(vfp_set_fpscr)(CPUARMState *env, uint32_t val)
|
||||
break;
|
||||
}
|
||||
set_float_rounding_mode(i, &env->vfp.fp_status);
|
||||
set_float_rounding_mode(i, &env->vfp.fp_status_f16);
|
||||
}
|
||||
if (changed & (1 << 24)) {
|
||||
set_flush_to_zero((val & (1 << 24)) != 0, &env->vfp.fp_status);
|
||||
set_flush_inputs_to_zero((val & (1 << 24)) != 0, &env->vfp.fp_status);
|
||||
if (changed & FPCR_FZ16) {
|
||||
bool ftz_enabled = val & FPCR_FZ16;
|
||||
set_flush_to_zero(ftz_enabled, &env->vfp.fp_status_f16);
|
||||
set_flush_inputs_to_zero(ftz_enabled, &env->vfp.fp_status_f16);
|
||||
}
|
||||
if (changed & FPCR_FZ) {
|
||||
bool ftz_enabled = val & FPCR_FZ;
|
||||
set_flush_to_zero(ftz_enabled, &env->vfp.fp_status);
|
||||
set_flush_inputs_to_zero(ftz_enabled, &env->vfp.fp_status);
|
||||
}
|
||||
if (changed & FPCR_DN) {
|
||||
bool dnan_enabled = val & FPCR_DN;
|
||||
set_default_nan_mode(dnan_enabled, &env->vfp.fp_status);
|
||||
set_default_nan_mode(dnan_enabled, &env->vfp.fp_status_f16);
|
||||
}
|
||||
if (changed & (1 << 25))
|
||||
set_default_nan_mode((val & (1 << 25)) != 0, &env->vfp.fp_status);
|
||||
|
||||
/* The exception flags are ORed together when we read fpscr so we
|
||||
* only need to preserve the current state in one of our
|
||||
* float_status values.
|
||||
*/
|
||||
i = vfp_exceptbits_to_host(val);
|
||||
set_float_exception_flags(i, &env->vfp.fp_status);
|
||||
set_float_exception_flags(0, &env->vfp.fp_status_f16);
|
||||
set_float_exception_flags(0, &env->vfp.standard_fp_status);
|
||||
}
|
||||
|
||||
@ -11286,8 +11302,10 @@ CONV_ITOF(vfp_##name##to##p, fsz, sign) \
|
||||
CONV_FTOI(vfp_to##name##p, fsz, sign, ) \
|
||||
CONV_FTOI(vfp_to##name##z##p, fsz, sign, _round_to_zero)
|
||||
|
||||
FLOAT_CONVS(si, h, 16, )
|
||||
FLOAT_CONVS(si, s, 32, )
|
||||
FLOAT_CONVS(si, d, 64, )
|
||||
FLOAT_CONVS(ui, h, 16, u)
|
||||
FLOAT_CONVS(ui, s, 32, u)
|
||||
FLOAT_CONVS(ui, d, 64, u)
|
||||
|
||||
@ -11370,6 +11388,8 @@ VFP_CONV_FIX_A64(sq, s, 32, 64, int64)
|
||||
VFP_CONV_FIX(uh, s, 32, 32, uint16)
|
||||
VFP_CONV_FIX(ul, s, 32, 32, uint32)
|
||||
VFP_CONV_FIX_A64(uq, s, 32, 64, uint64)
|
||||
VFP_CONV_FIX_A64(sl, h, 16, 32, int32)
|
||||
VFP_CONV_FIX_A64(ul, h, 16, 32, uint32)
|
||||
#undef VFP_CONV_FIX
|
||||
#undef VFP_CONV_FIX_FLOAT
|
||||
#undef VFP_CONV_FLOAT_FIX_ROUND
|
||||
@ -11377,9 +11397,9 @@ VFP_CONV_FIX_A64(uq, s, 32, 64, uint64)
|
||||
/* Set the current fp rounding mode and return the old one.
|
||||
* The argument is a softfloat float_round_ value.
|
||||
*/
|
||||
uint32_t HELPER(set_rmode)(uint32_t rmode, CPUARMState *env)
|
||||
uint32_t HELPER(set_rmode)(uint32_t rmode, void *fpstp)
|
||||
{
|
||||
float_status *fp_status = &env->vfp.fp_status;
|
||||
float_status *fp_status = fpstp;
|
||||
|
||||
uint32_t prev_rmode = get_float_rounding_mode(fp_status);
|
||||
set_float_rounding_mode(rmode, fp_status);
|
||||
@ -11503,80 +11523,75 @@ float32 HELPER(rsqrts_f32)(float32 a, float32 b, CPUARMState *env)
|
||||
* int->float conversions at run-time. */
|
||||
#define float64_256 make_float64(0x4070000000000000LL)
|
||||
#define float64_512 make_float64(0x4080000000000000LL)
|
||||
#define float16_maxnorm make_float16(0x7bff)
|
||||
#define float32_maxnorm make_float32(0x7f7fffff)
|
||||
#define float64_maxnorm make_float64(0x7fefffffffffffffLL)
|
||||
|
||||
/* Reciprocal functions
|
||||
*
|
||||
* The algorithm that must be used to calculate the estimate
|
||||
* is specified by the ARM ARM, see FPRecipEstimate()
|
||||
* is specified by the ARM ARM, see FPRecipEstimate()/RecipEstimate
|
||||
*/
|
||||
|
||||
static float64 recip_estimate(float64 a, float_status *real_fp_status)
|
||||
/* See RecipEstimate()
|
||||
*
|
||||
* input is a 9 bit fixed point number
|
||||
* input range 256 .. 511 for a number from 0.5 <= x < 1.0.
|
||||
* result range 256 .. 511 for a number from 1.0 to 511/256.
|
||||
*/
|
||||
|
||||
static int recip_estimate(int input)
|
||||
{
|
||||
/* These calculations mustn't set any fp exception flags,
|
||||
* so we use a local copy of the fp_status.
|
||||
*/
|
||||
float_status dummy_status = *real_fp_status;
|
||||
float_status *s = &dummy_status;
|
||||
/* q = (int)(a * 512.0) */
|
||||
float64 q = float64_mul(float64_512, a, s);
|
||||
int64_t q_int = float64_to_int64_round_to_zero(q, s);
|
||||
|
||||
/* r = 1.0 / (((double)q + 0.5) / 512.0) */
|
||||
q = int64_to_float64(q_int, s);
|
||||
q = float64_add(q, float64_half, s);
|
||||
q = float64_div(q, float64_512, s);
|
||||
q = float64_div(float64_one, q, s);
|
||||
|
||||
/* s = (int)(256.0 * r + 0.5) */
|
||||
q = float64_mul(q, float64_256, s);
|
||||
q = float64_add(q, float64_half, s);
|
||||
q_int = float64_to_int64_round_to_zero(q, s);
|
||||
|
||||
/* return (double)s / 256.0 */
|
||||
return float64_div(int64_to_float64(q_int, s), float64_256, s);
|
||||
int a, b, r;
|
||||
assert(256 <= input && input < 512);
|
||||
a = (input * 2) + 1;
|
||||
b = (1 << 19) / a;
|
||||
r = (b + 1) >> 1;
|
||||
assert(256 <= r && r < 512);
|
||||
return r;
|
||||
}
|
||||
|
||||
/* Common wrapper to call recip_estimate */
|
||||
static float64 call_recip_estimate(float64 num, int off, float_status *fpst)
|
||||
/*
|
||||
* Common wrapper to call recip_estimate
|
||||
*
|
||||
* The parameters are exponent and 64 bit fraction (without implicit
|
||||
* bit) where the binary point is nominally at bit 52. Returns a
|
||||
* float64 which can then be rounded to the appropriate size by the
|
||||
* callee.
|
||||
*/
|
||||
|
||||
static uint64_t call_recip_estimate(int *exp, int exp_off, uint64_t frac)
|
||||
{
|
||||
uint64_t val64 = float64_val(num);
|
||||
uint64_t frac = extract64(val64, 0, 52);
|
||||
int64_t exp = extract64(val64, 52, 11);
|
||||
uint64_t sbit;
|
||||
float64 scaled, estimate;
|
||||
uint32_t scaled, estimate;
|
||||
uint64_t result_frac;
|
||||
int result_exp;
|
||||
|
||||
/* Generate the scaled number for the estimate function */
|
||||
if (exp == 0) {
|
||||
/* Handle sub-normals */
|
||||
if (*exp == 0) {
|
||||
if (extract64(frac, 51, 1) == 0) {
|
||||
exp = -1;
|
||||
frac = extract64(frac, 0, 50) << 2;
|
||||
*exp = -1;
|
||||
frac <<= 2;
|
||||
} else {
|
||||
frac = extract64(frac, 0, 51) << 1;
|
||||
frac <<= 1;
|
||||
}
|
||||
}
|
||||
|
||||
/* scaled = '0' : '01111111110' : fraction<51:44> : Zeros(44); */
|
||||
scaled = make_float64((0x3feULL << 52)
|
||||
| extract64(frac, 44, 8) << 44);
|
||||
/* scaled = UInt('1':fraction<51:44>) */
|
||||
scaled = deposit32(1 << 8, 0, 8, extract64(frac, 44, 8));
|
||||
estimate = recip_estimate(scaled);
|
||||
|
||||
estimate = recip_estimate(scaled, fpst);
|
||||
|
||||
/* Build new result */
|
||||
val64 = float64_val(estimate);
|
||||
sbit = 0x8000000000000000ULL & val64;
|
||||
exp = off - exp;
|
||||
frac = extract64(val64, 0, 52);
|
||||
|
||||
if (exp == 0) {
|
||||
frac = 1ULL << 51 | extract64(frac, 1, 51);
|
||||
} else if (exp == -1) {
|
||||
frac = 1ULL << 50 | extract64(frac, 2, 50);
|
||||
exp = 0;
|
||||
result_exp = exp_off - *exp;
|
||||
result_frac = deposit64(0, 44, 8, estimate);
|
||||
if (result_exp == 0) {
|
||||
result_frac = deposit64(result_frac >> 1, 51, 1, 1);
|
||||
} else if (result_exp == -1) {
|
||||
result_frac = deposit64(result_frac >> 2, 50, 2, 1);
|
||||
result_exp = 0;
|
||||
}
|
||||
|
||||
return make_float64(sbit | (exp << 52) | frac);
|
||||
*exp = result_exp;
|
||||
|
||||
return result_frac;
|
||||
}
|
||||
|
||||
static bool round_to_inf(float_status *fpst, bool sign_bit)
|
||||
@ -11595,18 +11610,63 @@ static bool round_to_inf(float_status *fpst, bool sign_bit)
|
||||
g_assert_not_reached();
|
||||
}
|
||||
|
||||
float16 HELPER(recpe_f16)(float16 input, void *fpstp)
|
||||
{
|
||||
float_status *fpst = fpstp;
|
||||
float16 f16 = float16_squash_input_denormal(input, fpst);
|
||||
uint32_t f16_val = float16_val(f16);
|
||||
uint32_t f16_sign = float16_is_neg(f16);
|
||||
int f16_exp = extract32(f16_val, 10, 5);
|
||||
uint32_t f16_frac = extract32(f16_val, 0, 10);
|
||||
uint64_t f64_frac;
|
||||
|
||||
if (float16_is_any_nan(f16)) {
|
||||
float16 nan = f16;
|
||||
if (float16_is_signaling_nan(f16, fpst)) {
|
||||
float_raise(float_flag_invalid, fpst);
|
||||
nan = float16_maybe_silence_nan(f16, fpst);
|
||||
}
|
||||
if (fpst->default_nan_mode) {
|
||||
nan = float16_default_nan(fpst);
|
||||
}
|
||||
return nan;
|
||||
} else if (float16_is_infinity(f16)) {
|
||||
return float16_set_sign(float16_zero, float16_is_neg(f16));
|
||||
} else if (float16_is_zero(f16)) {
|
||||
float_raise(float_flag_divbyzero, fpst);
|
||||
return float16_set_sign(float16_infinity, float16_is_neg(f16));
|
||||
} else if (float16_abs(f16) < (1 << 8)) {
|
||||
/* Abs(value) < 2.0^-16 */
|
||||
float_raise(float_flag_overflow | float_flag_inexact, fpst);
|
||||
if (round_to_inf(fpst, f16_sign)) {
|
||||
return float16_set_sign(float16_infinity, f16_sign);
|
||||
} else {
|
||||
return float16_set_sign(float16_maxnorm, f16_sign);
|
||||
}
|
||||
} else if (f16_exp >= 29 && fpst->flush_to_zero) {
|
||||
float_raise(float_flag_underflow, fpst);
|
||||
return float16_set_sign(float16_zero, float16_is_neg(f16));
|
||||
}
|
||||
|
||||
f64_frac = call_recip_estimate(&f16_exp, 29,
|
||||
((uint64_t) f16_frac) << (52 - 10));
|
||||
|
||||
/* result = sign : result_exp<4:0> : fraction<51:42> */
|
||||
f16_val = deposit32(0, 15, 1, f16_sign);
|
||||
f16_val = deposit32(f16_val, 10, 5, f16_exp);
|
||||
f16_val = deposit32(f16_val, 0, 10, extract64(f64_frac, 52 - 10, 10));
|
||||
return make_float16(f16_val);
|
||||
}
|
||||
|
||||
float32 HELPER(recpe_f32)(float32 input, void *fpstp)
|
||||
{
|
||||
float_status *fpst = fpstp;
|
||||
float32 f32 = float32_squash_input_denormal(input, fpst);
|
||||
uint32_t f32_val = float32_val(f32);
|
||||
uint32_t f32_sbit = 0x80000000ULL & f32_val;
|
||||
int32_t f32_exp = extract32(f32_val, 23, 8);
|
||||
bool f32_sign = float32_is_neg(f32);
|
||||
int f32_exp = extract32(f32_val, 23, 8);
|
||||
uint32_t f32_frac = extract32(f32_val, 0, 23);
|
||||
float64 f64, r64;
|
||||
uint64_t r64_val;
|
||||
int64_t r64_exp;
|
||||
uint64_t r64_frac;
|
||||
uint64_t f64_frac;
|
||||
|
||||
if (float32_is_any_nan(f32)) {
|
||||
float32 nan = f32;
|
||||
@ -11623,30 +11683,27 @@ float32 HELPER(recpe_f32)(float32 input, void *fpstp)
|
||||
} else if (float32_is_zero(f32)) {
|
||||
float_raise(float_flag_divbyzero, fpst);
|
||||
return float32_set_sign(float32_infinity, float32_is_neg(f32));
|
||||
} else if ((f32_val & ~(1ULL << 31)) < (1ULL << 21)) {
|
||||
} else if (float32_abs(f32) < (1ULL << 21)) {
|
||||
/* Abs(value) < 2.0^-128 */
|
||||
float_raise(float_flag_overflow | float_flag_inexact, fpst);
|
||||
if (round_to_inf(fpst, f32_sbit)) {
|
||||
return float32_set_sign(float32_infinity, float32_is_neg(f32));
|
||||
if (round_to_inf(fpst, f32_sign)) {
|
||||
return float32_set_sign(float32_infinity, f32_sign);
|
||||
} else {
|
||||
return float32_set_sign(float32_maxnorm, float32_is_neg(f32));
|
||||
return float32_set_sign(float32_maxnorm, f32_sign);
|
||||
}
|
||||
} else if (f32_exp >= 253 && fpst->flush_to_zero) {
|
||||
float_raise(float_flag_underflow, fpst);
|
||||
return float32_set_sign(float32_zero, float32_is_neg(f32));
|
||||
}
|
||||
|
||||
f64_frac = call_recip_estimate(&f32_exp, 253,
|
||||
((uint64_t) f32_frac) << (52 - 23));
|
||||
|
||||
f64 = make_float64(((int64_t)(f32_exp) << 52) | (int64_t)(f32_frac) << 29);
|
||||
r64 = call_recip_estimate(f64, 253, fpst);
|
||||
r64_val = float64_val(r64);
|
||||
r64_exp = extract64(r64_val, 52, 11);
|
||||
r64_frac = extract64(r64_val, 0, 52);
|
||||
|
||||
/* result = sign : result_exp<7:0> : fraction<51:29>; */
|
||||
return make_float32(f32_sbit |
|
||||
(r64_exp & 0xff) << 23 |
|
||||
extract64(r64_frac, 29, 24));
|
||||
/* result = sign : result_exp<7:0> : fraction<51:29> */
|
||||
f32_val = deposit32(0, 31, 1, f32_sign);
|
||||
f32_val = deposit32(f32_val, 23, 8, f32_exp);
|
||||
f32_val = deposit32(f32_val, 0, 23, extract64(f64_frac, 52 - 23, 23));
|
||||
return make_float32(f32_val);
|
||||
}
|
||||
|
||||
float64 HELPER(recpe_f64)(float64 input, void *fpstp)
|
||||
@ -11654,12 +11711,9 @@ float64 HELPER(recpe_f64)(float64 input, void *fpstp)
|
||||
float_status *fpst = fpstp;
|
||||
float64 f64 = float64_squash_input_denormal(input, fpst);
|
||||
uint64_t f64_val = float64_val(f64);
|
||||
uint64_t f64_sbit = 0x8000000000000000ULL & f64_val;
|
||||
int64_t f64_exp = extract64(f64_val, 52, 11);
|
||||
float64 r64;
|
||||
uint64_t r64_val;
|
||||
int64_t r64_exp;
|
||||
uint64_t r64_frac;
|
||||
bool f64_sign = float64_is_neg(f64);
|
||||
int f64_exp = extract64(f64_val, 52, 11);
|
||||
uint64_t f64_frac = extract64(f64_val, 0, 52);
|
||||
|
||||
/* Deal with any special cases */
|
||||
if (float64_is_any_nan(f64)) {
|
||||
@ -11680,80 +11734,119 @@ float64 HELPER(recpe_f64)(float64 input, void *fpstp)
|
||||
} else if ((f64_val & ~(1ULL << 63)) < (1ULL << 50)) {
|
||||
/* Abs(value) < 2.0^-1024 */
|
||||
float_raise(float_flag_overflow | float_flag_inexact, fpst);
|
||||
if (round_to_inf(fpst, f64_sbit)) {
|
||||
return float64_set_sign(float64_infinity, float64_is_neg(f64));
|
||||
if (round_to_inf(fpst, f64_sign)) {
|
||||
return float64_set_sign(float64_infinity, f64_sign);
|
||||
} else {
|
||||
return float64_set_sign(float64_maxnorm, float64_is_neg(f64));
|
||||
return float64_set_sign(float64_maxnorm, f64_sign);
|
||||
}
|
||||
} else if (f64_exp >= 2045 && fpst->flush_to_zero) {
|
||||
float_raise(float_flag_underflow, fpst);
|
||||
return float64_set_sign(float64_zero, float64_is_neg(f64));
|
||||
}
|
||||
|
||||
r64 = call_recip_estimate(f64, 2045, fpst);
|
||||
r64_val = float64_val(r64);
|
||||
r64_exp = extract64(r64_val, 52, 11);
|
||||
r64_frac = extract64(r64_val, 0, 52);
|
||||
f64_frac = call_recip_estimate(&f64_exp, 2045, f64_frac);
|
||||
|
||||
/* result = sign : result_exp<10:0> : fraction<51:0> */
|
||||
return make_float64(f64_sbit |
|
||||
((r64_exp & 0x7ff) << 52) |
|
||||
r64_frac);
|
||||
/* result = sign : result_exp<10:0> : fraction<51:0>; */
|
||||
f64_val = deposit64(0, 63, 1, f64_sign);
|
||||
f64_val = deposit64(f64_val, 52, 11, f64_exp);
|
||||
f64_val = deposit64(f64_val, 0, 52, f64_frac);
|
||||
return make_float64(f64_val);
|
||||
}
|
||||
|
||||
/* The algorithm that must be used to calculate the estimate
|
||||
* is specified by the ARM ARM.
|
||||
*/
|
||||
static float64 recip_sqrt_estimate(float64 a, float_status *real_fp_status)
|
||||
|
||||
static int do_recip_sqrt_estimate(int a)
|
||||
{
|
||||
/* These calculations mustn't set any fp exception flags,
|
||||
* so we use a local copy of the fp_status.
|
||||
*/
|
||||
float_status dummy_status = *real_fp_status;
|
||||
float_status *s = &dummy_status;
|
||||
float64 q;
|
||||
int64_t q_int;
|
||||
int b, estimate;
|
||||
|
||||
if (float64_lt(a, float64_half, s)) {
|
||||
/* range 0.25 <= a < 0.5 */
|
||||
|
||||
/* a in units of 1/512 rounded down */
|
||||
/* q0 = (int)(a * 512.0); */
|
||||
q = float64_mul(float64_512, a, s);
|
||||
q_int = float64_to_int64_round_to_zero(q, s);
|
||||
|
||||
/* reciprocal root r */
|
||||
/* r = 1.0 / sqrt(((double)q0 + 0.5) / 512.0); */
|
||||
q = int64_to_float64(q_int, s);
|
||||
q = float64_add(q, float64_half, s);
|
||||
q = float64_div(q, float64_512, s);
|
||||
q = float64_sqrt(q, s);
|
||||
q = float64_div(float64_one, q, s);
|
||||
assert(128 <= a && a < 512);
|
||||
if (a < 256) {
|
||||
a = a * 2 + 1;
|
||||
} else {
|
||||
/* range 0.5 <= a < 1.0 */
|
||||
|
||||
/* a in units of 1/256 rounded down */
|
||||
/* q1 = (int)(a * 256.0); */
|
||||
q = float64_mul(float64_256, a, s);
|
||||
int64_t q_int = float64_to_int64_round_to_zero(q, s);
|
||||
|
||||
/* reciprocal root r */
|
||||
/* r = 1.0 /sqrt(((double)q1 + 0.5) / 256); */
|
||||
q = int64_to_float64(q_int, s);
|
||||
q = float64_add(q, float64_half, s);
|
||||
q = float64_div(q, float64_256, s);
|
||||
q = float64_sqrt(q, s);
|
||||
q = float64_div(float64_one, q, s);
|
||||
a = (a >> 1) << 1;
|
||||
a = (a + 1) * 2;
|
||||
}
|
||||
/* r in units of 1/256 rounded to nearest */
|
||||
/* s = (int)(256.0 * r + 0.5); */
|
||||
b = 512;
|
||||
while (a * (b + 1) * (b + 1) < (1 << 28)) {
|
||||
b += 1;
|
||||
}
|
||||
estimate = (b + 1) / 2;
|
||||
assert(256 <= estimate && estimate < 512);
|
||||
|
||||
q = float64_mul(q, float64_256,s );
|
||||
q = float64_add(q, float64_half, s);
|
||||
q_int = float64_to_int64_round_to_zero(q, s);
|
||||
return estimate;
|
||||
}
|
||||
|
||||
/* return (double)s / 256.0;*/
|
||||
return float64_div(int64_to_float64(q_int, s), float64_256, s);
|
||||
|
||||
static uint64_t recip_sqrt_estimate(int *exp , int exp_off, uint64_t frac)
|
||||
{
|
||||
int estimate;
|
||||
uint32_t scaled;
|
||||
|
||||
if (*exp == 0) {
|
||||
while (extract64(frac, 51, 1) == 0) {
|
||||
frac = frac << 1;
|
||||
*exp -= 1;
|
||||
}
|
||||
frac = extract64(frac, 0, 51) << 1;
|
||||
}
|
||||
|
||||
if (*exp & 1) {
|
||||
/* scaled = UInt('01':fraction<51:45>) */
|
||||
scaled = deposit32(1 << 7, 0, 7, extract64(frac, 45, 7));
|
||||
} else {
|
||||
/* scaled = UInt('1':fraction<51:44>) */
|
||||
scaled = deposit32(1 << 8, 0, 8, extract64(frac, 44, 8));
|
||||
}
|
||||
estimate = do_recip_sqrt_estimate(scaled);
|
||||
|
||||
*exp = (exp_off - *exp) / 2;
|
||||
return extract64(estimate, 0, 8) << 44;
|
||||
}
|
||||
|
||||
float16 HELPER(rsqrte_f16)(float16 input, void *fpstp)
|
||||
{
|
||||
float_status *s = fpstp;
|
||||
float16 f16 = float16_squash_input_denormal(input, s);
|
||||
uint16_t val = float16_val(f16);
|
||||
bool f16_sign = float16_is_neg(f16);
|
||||
int f16_exp = extract32(val, 10, 5);
|
||||
uint16_t f16_frac = extract32(val, 0, 10);
|
||||
uint64_t f64_frac;
|
||||
|
||||
if (float16_is_any_nan(f16)) {
|
||||
float16 nan = f16;
|
||||
if (float16_is_signaling_nan(f16, s)) {
|
||||
float_raise(float_flag_invalid, s);
|
||||
nan = float16_maybe_silence_nan(f16, s);
|
||||
}
|
||||
if (s->default_nan_mode) {
|
||||
nan = float16_default_nan(s);
|
||||
}
|
||||
return nan;
|
||||
} else if (float16_is_zero(f16)) {
|
||||
float_raise(float_flag_divbyzero, s);
|
||||
return float16_set_sign(float16_infinity, f16_sign);
|
||||
} else if (f16_sign) {
|
||||
float_raise(float_flag_invalid, s);
|
||||
return float16_default_nan(s);
|
||||
} else if (float16_is_infinity(f16)) {
|
||||
return float16_zero;
|
||||
}
|
||||
|
||||
/* Scale and normalize to a double-precision value between 0.25 and 1.0,
|
||||
* preserving the parity of the exponent. */
|
||||
|
||||
f64_frac = ((uint64_t) f16_frac) << (52 - 10);
|
||||
|
||||
f64_frac = recip_sqrt_estimate(&f16_exp, 44, f64_frac);
|
||||
|
||||
/* result = sign : result_exp<4:0> : estimate<7:0> : Zeros(2) */
|
||||
val = deposit32(0, 15, 1, f16_sign);
|
||||
val = deposit32(val, 10, 5, f16_exp);
|
||||
val = deposit32(val, 2, 8, extract64(f64_frac, 52 - 8, 8));
|
||||
return make_float16(val);
|
||||
}
|
||||
|
||||
float32 HELPER(rsqrte_f32)(float32 input, void *fpstp)
|
||||
@ -11761,13 +11854,10 @@ float32 HELPER(rsqrte_f32)(float32 input, void *fpstp)
|
||||
float_status *s = fpstp;
|
||||
float32 f32 = float32_squash_input_denormal(input, s);
|
||||
uint32_t val = float32_val(f32);
|
||||
uint32_t f32_sbit = 0x80000000 & val;
|
||||
int32_t f32_exp = extract32(val, 23, 8);
|
||||
uint32_t f32_sign = float32_is_neg(f32);
|
||||
int f32_exp = extract32(val, 23, 8);
|
||||
uint32_t f32_frac = extract32(val, 0, 23);
|
||||
uint64_t f64_frac;
|
||||
uint64_t val64;
|
||||
int result_exp;
|
||||
float64 f64;
|
||||
|
||||
if (float32_is_any_nan(f32)) {
|
||||
float32 nan = f32;
|
||||
@ -11793,32 +11883,13 @@ float32 HELPER(rsqrte_f32)(float32 input, void *fpstp)
|
||||
* preserving the parity of the exponent. */
|
||||
|
||||
f64_frac = ((uint64_t) f32_frac) << 29;
|
||||
if (f32_exp == 0) {
|
||||
while (extract64(f64_frac, 51, 1) == 0) {
|
||||
f64_frac = f64_frac << 1;
|
||||
f32_exp = f32_exp-1;
|
||||
}
|
||||
f64_frac = extract64(f64_frac, 0, 51) << 1;
|
||||
}
|
||||
|
||||
if (extract64(f32_exp, 0, 1) == 0) {
|
||||
f64 = make_float64(((uint64_t) f32_sbit) << 32
|
||||
| (0x3feULL << 52)
|
||||
| f64_frac);
|
||||
} else {
|
||||
f64 = make_float64(((uint64_t) f32_sbit) << 32
|
||||
| (0x3fdULL << 52)
|
||||
| f64_frac);
|
||||
}
|
||||
f64_frac = recip_sqrt_estimate(&f32_exp, 380, f64_frac);
|
||||
|
||||
result_exp = (380 - f32_exp) / 2;
|
||||
|
||||
f64 = recip_sqrt_estimate(f64, s);
|
||||
|
||||
val64 = float64_val(f64);
|
||||
|
||||
val = ((result_exp & 0xff) << 23)
|
||||
| ((val64 >> 29) & 0x7fffff);
|
||||
/* result = sign : result_exp<4:0> : estimate<7:0> : Zeros(15) */
|
||||
val = deposit32(0, 31, 1, f32_sign);
|
||||
val = deposit32(val, 23, 8, f32_exp);
|
||||
val = deposit32(val, 15, 8, extract64(f64_frac, 52 - 8, 8));
|
||||
return make_float32(val);
|
||||
}
|
||||
|
||||
@ -11827,11 +11898,9 @@ float64 HELPER(rsqrte_f64)(float64 input, void *fpstp)
|
||||
float_status *s = fpstp;
|
||||
float64 f64 = float64_squash_input_denormal(input, s);
|
||||
uint64_t val = float64_val(f64);
|
||||
uint64_t f64_sbit = 0x8000000000000000ULL & val;
|
||||
int64_t f64_exp = extract64(val, 52, 11);
|
||||
bool f64_sign = float64_is_neg(f64);
|
||||
int f64_exp = extract64(val, 52, 11);
|
||||
uint64_t f64_frac = extract64(val, 0, 52);
|
||||
int64_t result_exp;
|
||||
uint64_t result_frac;
|
||||
|
||||
if (float64_is_any_nan(f64)) {
|
||||
float64 nan = f64;
|
||||
@ -11853,75 +11922,41 @@ float64 HELPER(rsqrte_f64)(float64 input, void *fpstp)
|
||||
return float64_zero;
|
||||
}
|
||||
|
||||
/* Scale and normalize to a double-precision value between 0.25 and 1.0,
|
||||
* preserving the parity of the exponent. */
|
||||
f64_frac = recip_sqrt_estimate(&f64_exp, 3068, f64_frac);
|
||||
|
||||
if (f64_exp == 0) {
|
||||
while (extract64(f64_frac, 51, 1) == 0) {
|
||||
f64_frac = f64_frac << 1;
|
||||
f64_exp = f64_exp - 1;
|
||||
}
|
||||
f64_frac = extract64(f64_frac, 0, 51) << 1;
|
||||
}
|
||||
|
||||
if (extract64(f64_exp, 0, 1) == 0) {
|
||||
f64 = make_float64(f64_sbit
|
||||
| (0x3feULL << 52)
|
||||
| f64_frac);
|
||||
} else {
|
||||
f64 = make_float64(f64_sbit
|
||||
| (0x3fdULL << 52)
|
||||
| f64_frac);
|
||||
}
|
||||
|
||||
result_exp = (3068 - f64_exp) / 2;
|
||||
|
||||
f64 = recip_sqrt_estimate(f64, s);
|
||||
|
||||
result_frac = extract64(float64_val(f64), 0, 52);
|
||||
|
||||
return make_float64(f64_sbit |
|
||||
((result_exp & 0x7ff) << 52) |
|
||||
result_frac);
|
||||
/* result = sign : result_exp<4:0> : estimate<7:0> : Zeros(44) */
|
||||
val = deposit64(0, 61, 1, f64_sign);
|
||||
val = deposit64(val, 52, 11, f64_exp);
|
||||
val = deposit64(val, 44, 8, extract64(f64_frac, 52 - 8, 8));
|
||||
return make_float64(val);
|
||||
}
|
||||
|
||||
uint32_t HELPER(recpe_u32)(uint32_t a, void *fpstp)
|
||||
{
|
||||
float_status *s = fpstp;
|
||||
float64 f64;
|
||||
/* float_status *s = fpstp; */
|
||||
int input, estimate;
|
||||
|
||||
if ((a & 0x80000000) == 0) {
|
||||
return 0xffffffff;
|
||||
}
|
||||
|
||||
f64 = make_float64((0x3feULL << 52)
|
||||
| ((int64_t)(a & 0x7fffffff) << 21));
|
||||
input = extract32(a, 23, 9);
|
||||
estimate = recip_estimate(input);
|
||||
|
||||
f64 = recip_estimate(f64, s);
|
||||
|
||||
return 0x80000000 | ((float64_val(f64) >> 21) & 0x7fffffff);
|
||||
return deposit32(0, (32 - 9), 9, estimate);
|
||||
}
|
||||
|
||||
uint32_t HELPER(rsqrte_u32)(uint32_t a, void *fpstp)
|
||||
{
|
||||
float_status *fpst = fpstp;
|
||||
float64 f64;
|
||||
int estimate;
|
||||
|
||||
if ((a & 0xc0000000) == 0) {
|
||||
return 0xffffffff;
|
||||
}
|
||||
|
||||
if (a & 0x80000000) {
|
||||
f64 = make_float64((0x3feULL << 52)
|
||||
| ((uint64_t)(a & 0x7fffffff) << 21));
|
||||
} else { /* bits 31-30 == '01' */
|
||||
f64 = make_float64((0x3fdULL << 52)
|
||||
| ((uint64_t)(a & 0x3fffffff) << 22));
|
||||
}
|
||||
estimate = do_recip_sqrt_estimate(extract32(a, 23, 9));
|
||||
|
||||
f64 = recip_sqrt_estimate(f64, fpst);
|
||||
|
||||
return 0x80000000 | ((float64_val(f64) >> 21) & 0x7fffffff);
|
||||
return deposit32(0, 23, 9, estimate);
|
||||
}
|
||||
|
||||
/* VFPv4 fused multiply-accumulate */
|
||||
|
||||
@ -120,17 +120,23 @@ DEF_HELPER_3(vfp_cmped, void, f64, f64, env)
|
||||
DEF_HELPER_2(vfp_fcvtds, f64, f32, env)
|
||||
DEF_HELPER_2(vfp_fcvtsd, f32, f64, env)
|
||||
|
||||
DEF_HELPER_2(vfp_uitoh, f16, i32, ptr)
|
||||
DEF_HELPER_2(vfp_uitos, f32, i32, ptr)
|
||||
DEF_HELPER_2(vfp_uitod, f64, i32, ptr)
|
||||
DEF_HELPER_2(vfp_sitoh, f16, i32, ptr)
|
||||
DEF_HELPER_2(vfp_sitos, f32, i32, ptr)
|
||||
DEF_HELPER_2(vfp_sitod, f64, i32, ptr)
|
||||
|
||||
DEF_HELPER_2(vfp_touih, i32, f16, ptr)
|
||||
DEF_HELPER_2(vfp_touis, i32, f32, ptr)
|
||||
DEF_HELPER_2(vfp_touid, i32, f64, ptr)
|
||||
DEF_HELPER_2(vfp_touizh, i32, f16, ptr)
|
||||
DEF_HELPER_2(vfp_touizs, i32, f32, ptr)
|
||||
DEF_HELPER_2(vfp_touizd, i32, f64, ptr)
|
||||
DEF_HELPER_2(vfp_tosih, i32, f16, ptr)
|
||||
DEF_HELPER_2(vfp_tosis, i32, f32, ptr)
|
||||
DEF_HELPER_2(vfp_tosid, i32, f64, ptr)
|
||||
DEF_HELPER_2(vfp_tosizh, i32, f16, ptr)
|
||||
DEF_HELPER_2(vfp_tosizs, i32, f32, ptr)
|
||||
DEF_HELPER_2(vfp_tosizd, i32, f64, ptr)
|
||||
|
||||
@ -142,6 +148,8 @@ DEF_HELPER_3(vfp_toshd_round_to_zero, i64, f64, i32, ptr)
|
||||
DEF_HELPER_3(vfp_tosld_round_to_zero, i64, f64, i32, ptr)
|
||||
DEF_HELPER_3(vfp_touhd_round_to_zero, i64, f64, i32, ptr)
|
||||
DEF_HELPER_3(vfp_tould_round_to_zero, i64, f64, i32, ptr)
|
||||
DEF_HELPER_3(vfp_toulh, i32, f16, i32, ptr)
|
||||
DEF_HELPER_3(vfp_toslh, i32, f16, i32, ptr)
|
||||
DEF_HELPER_3(vfp_toshs, i32, f32, i32, ptr)
|
||||
DEF_HELPER_3(vfp_tosls, i32, f32, i32, ptr)
|
||||
DEF_HELPER_3(vfp_tosqs, i64, f32, i32, ptr)
|
||||
@ -166,8 +174,10 @@ DEF_HELPER_3(vfp_sqtod, f64, i64, i32, ptr)
|
||||
DEF_HELPER_3(vfp_uhtod, f64, i64, i32, ptr)
|
||||
DEF_HELPER_3(vfp_ultod, f64, i64, i32, ptr)
|
||||
DEF_HELPER_3(vfp_uqtod, f64, i64, i32, ptr)
|
||||
DEF_HELPER_3(vfp_sltoh, f16, i32, i32, ptr)
|
||||
DEF_HELPER_3(vfp_ultoh, f16, i32, i32, ptr)
|
||||
|
||||
DEF_HELPER_FLAGS_2(set_rmode, TCG_CALL_NO_RWG, i32, i32, env)
|
||||
DEF_HELPER_FLAGS_2(set_rmode, TCG_CALL_NO_RWG, i32, i32, ptr)
|
||||
DEF_HELPER_FLAGS_2(set_neon_rmode, TCG_CALL_NO_RWG, i32, i32, env)
|
||||
|
||||
DEF_HELPER_2(vfp_fcvt_f16_to_f32, f32, i32, env)
|
||||
@ -182,8 +192,10 @@ DEF_HELPER_4(vfp_muladds, f32, f32, f32, f32, ptr)
|
||||
|
||||
DEF_HELPER_3(recps_f32, f32, f32, f32, env)
|
||||
DEF_HELPER_3(rsqrts_f32, f32, f32, f32, env)
|
||||
DEF_HELPER_FLAGS_2(recpe_f16, TCG_CALL_NO_RWG, f16, f16, ptr)
|
||||
DEF_HELPER_FLAGS_2(recpe_f32, TCG_CALL_NO_RWG, f32, f32, ptr)
|
||||
DEF_HELPER_FLAGS_2(recpe_f64, TCG_CALL_NO_RWG, f64, f64, ptr)
|
||||
DEF_HELPER_FLAGS_2(rsqrte_f16, TCG_CALL_NO_RWG, f16, f16, ptr)
|
||||
DEF_HELPER_FLAGS_2(rsqrte_f32, TCG_CALL_NO_RWG, f32, f32, ptr)
|
||||
DEF_HELPER_FLAGS_2(rsqrte_f64, TCG_CALL_NO_RWG, f64, f64, ptr)
|
||||
DEF_HELPER_2(recpe_u32, i32, i32, ptr)
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
@ -3143,7 +3143,7 @@ static int handle_vrint(uint32_t insn, uint32_t rd, uint32_t rm, uint32_t dp,
|
||||
TCGv_i32 tcg_rmode;
|
||||
|
||||
tcg_rmode = tcg_const_i32(arm_rmode_to_sf(rounding));
|
||||
gen_helper_set_rmode(tcg_rmode, tcg_rmode, cpu_env);
|
||||
gen_helper_set_rmode(tcg_rmode, tcg_rmode, fpst);
|
||||
|
||||
if (dp) {
|
||||
TCGv_i64 tcg_op;
|
||||
@ -3167,7 +3167,7 @@ static int handle_vrint(uint32_t insn, uint32_t rd, uint32_t rm, uint32_t dp,
|
||||
tcg_temp_free_i32(tcg_res);
|
||||
}
|
||||
|
||||
gen_helper_set_rmode(tcg_rmode, tcg_rmode, cpu_env);
|
||||
gen_helper_set_rmode(tcg_rmode, tcg_rmode, fpst);
|
||||
tcg_temp_free_i32(tcg_rmode);
|
||||
|
||||
tcg_temp_free_ptr(fpst);
|
||||
@ -3184,7 +3184,7 @@ static int handle_vcvt(uint32_t insn, uint32_t rd, uint32_t rm, uint32_t dp,
|
||||
tcg_shift = tcg_const_i32(0);
|
||||
|
||||
tcg_rmode = tcg_const_i32(arm_rmode_to_sf(rounding));
|
||||
gen_helper_set_rmode(tcg_rmode, tcg_rmode, cpu_env);
|
||||
gen_helper_set_rmode(tcg_rmode, tcg_rmode, fpst);
|
||||
|
||||
if (dp) {
|
||||
TCGv_i64 tcg_double, tcg_res;
|
||||
@ -3222,7 +3222,7 @@ static int handle_vcvt(uint32_t insn, uint32_t rd, uint32_t rm, uint32_t dp,
|
||||
tcg_temp_free_i32(tcg_single);
|
||||
}
|
||||
|
||||
gen_helper_set_rmode(tcg_rmode, tcg_rmode, cpu_env);
|
||||
gen_helper_set_rmode(tcg_rmode, tcg_rmode, fpst);
|
||||
tcg_temp_free_i32(tcg_rmode);
|
||||
|
||||
tcg_temp_free_i32(tcg_shift);
|
||||
@ -3892,13 +3892,13 @@ static int disas_vfp_insn(DisasContext *s, uint32_t insn)
|
||||
TCGv_ptr fpst = get_fpstatus_ptr(0);
|
||||
TCGv_i32 tcg_rmode;
|
||||
tcg_rmode = tcg_const_i32(float_round_to_zero);
|
||||
gen_helper_set_rmode(tcg_rmode, tcg_rmode, cpu_env);
|
||||
gen_helper_set_rmode(tcg_rmode, tcg_rmode, fpst);
|
||||
if (dp) {
|
||||
gen_helper_rintd(cpu_F0d, cpu_F0d, fpst);
|
||||
} else {
|
||||
gen_helper_rints(cpu_F0s, cpu_F0s, fpst);
|
||||
}
|
||||
gen_helper_set_rmode(tcg_rmode, tcg_rmode, cpu_env);
|
||||
gen_helper_set_rmode(tcg_rmode, tcg_rmode, fpst);
|
||||
tcg_temp_free_i32(tcg_rmode);
|
||||
tcg_temp_free_ptr(fpst);
|
||||
break;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user