///////////////////////////////////////////////////////////////////////// // $Id: pit82c54.h,v 1.12 2003/03/02 23:59:11 cbothamy Exp $ ///////////////////////////////////////////////////////////////////////// // /* * Emulator of an Intel 8254/82C54 Programmable Interval Timer. * Greg Alexander * * This code is not yet linked into Bochs, but has been included so * that you can experiment with it. (bbd) */ #ifndef _PIT_82C54_H_ #define _PIT_82C54_H_ 1 #include "bochs.h" #ifdef BX_USE_VMX #define BX_VMX_PIT 1 #define PIT_FREQ 1193181 #endif class pit_82C54 : public logfunctions { public: //Please do not use these. They are public because they have to be // to compile on some platforms. They are not to be used by other // classes. enum rw_status { LSByte=0, MSByte=1, LSByte_multiple=2, MSByte_multiple=3 }; private: enum { MAX_COUNTER=2, MAX_ADDRESS=3, CONTROL_ADDRESS=3, MAX_MODE=5 }; enum real_RW_status { LSB_real=1, MSB_real=2, BOTH_real=3 }; enum problem_type { UNL_2P_READ=1 }; struct counter_type { //Chip IOs; bool GATE; //GATE Input value at end of cycle bool OUTpin; //OUT output this cycle //Architected state; Bit32u count; //Counter value this cycle Bit16u outlatch; //Output latch this cycle Bit16u inlatch; //Input latch this cycle Bit8u status_latch; //Status Register data; Bit8u rw_mode; //2-bit R/W mode from command word register. Bit8u mode; //3-bit mode from command word register. bool bcd_mode; //1-bit BCD vs. Binary setting. bool null_count; //Null count bit of status register. //Latch status data; bool count_LSB_latched; bool count_MSB_latched; bool status_latched; //Miscelaneous State; Bit32u count_binary; //Value of the count in binary. bool triggerGATE; //Whether we saw GATE rise this cycle. rw_status write_state; //Read state this cycle rw_status read_state; //Read state this cycle bool count_written; //Whether a count written since programmed bool first_pass; //Whether or not this is the first loaded count. bool state_bit_1; //Miscelaneous state bits. bool state_bit_2; Bit32u next_change_time; //Next time something besides count changes. //0 means never. }; counter_type counter[3]; Bit8u controlword; int seen_problems; void latch_counter(counter_type & thisctr); void set_OUT (counter_type & thisctr, bool data); void set_count (counter_type & thisctr, Bit32u data) BX_CPP_AttrRegparmN(2); void set_count_to_binary (counter_type & thisctr) BX_CPP_AttrRegparmN(1); void set_binary_to_count (counter_type & thisctr) BX_CPP_AttrRegparmN(1); void decrement (counter_type & thisctr) BX_CPP_AttrRegparmN(1); void decrement_multiple(counter_type & thisctr, Bit32u cycles) BX_CPP_AttrRegparmN(2); void clock(Bit8u cnum) BX_CPP_AttrRegparmN(1); void print_counter(counter_type & thisctr); #ifdef BX_USE_VMX void write_initcount_vmx(Bit8u cnum); #endif public: void init (void); void reset (unsigned type); pit_82C54 (void); void clock_all(Bit32u cycles); void clock_multiple(Bit8u cnum, Bit32u cycles); Bit8u read(Bit8u address); void write(Bit8u address, Bit8u data); void set_GATE(Bit8u cnum, bool data); bool read_GATE(Bit8u cnum); bool read_OUT(Bit8u cnum); Bit32u get_clock_event_time(Bit8u cnum); Bit32u get_next_event_time(void); void print_cnum(Bit8u cnum); }; #endif 57504bc31d1e1b8523'>image/Makefile
blob: 49d93aa97d7faae48cdaa944e58e3c90869a9483 (plain) 
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#
# Copyright (C) 2006-2013 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/image.mk

KERNEL_LOADADDR := 0x20008000

define Build/at91-install-zImage
    $(CP) $(KDIR)/zImage $@
endef

ifeq ($(SUBTARGET),legacy)
include ./legacy.mk
endif
ifeq ($(SUBTARGET),sama5d2)
include ./sama5d2.mk
endif
ifeq ($(SUBTARGET),sama5d3)
include ./sama5d3.mk
endif
ifeq ($(SUBTARGET),sama5d4)
include ./sama5d4.mk
endif

AT91_SD_BOOT_PARTSIZE:=64
FAT32_BLOCK_SIZE:=1024
FAT32_BLOCKS:=$(shell echo \
  $$(($(AT91_SD_BOOT_PARTSIZE)*1024*1024/$(FAT32_BLOCK_SIZE))))

define Device/Default
  $(Device/default-nand)
  PROFILES := Default
  FILESYSTEMS := squashfs ubifs ext4
  DEVICE_DTS := $(1)
  KERNEL_NAME := zImage
  KERNEL_SIZE := 4096k
  KERNEL := kernel-bin | append-dtb | lzma | uImage lzma
  DTB_SIZE := 128k
endef

define Device/dtb
  KERNEL := kernel-bin | lzma | uImage lzma
endef

define Build/at91-sdcard
  $(if $(findstring ext4,$@), \
  rm -f $@.boot
  mkfs.fat -C $@.boot $(FAT32_BLOCKS)

  mcopy -i $@.boot $(KDIR)/zImage ::zImage

  $(foreach dts,$(DEVICE_DTS), \
     mcopy -i $@.boot $(DTS_DIR)/$(dts).dtb \
        ::$(dts).dtb)

  mcopy -i $@.boot \
    $(BIN_DIR)/u-boot-$(DEVICE_NAME:at91-%=%)_mmc/u-boot.bin \
    ::u-boot.bin

  mcopy -i $@.boot \
    $(BIN_DIR)/at91bootstrap-$(DEVICE_NAME:at91-%=%)sd*/at91bootstrap.bin \
    ::BOOT.bin

  ./gen_at91_sdcard_img.sh \
      $@.img \
      $@.boot \
      $(KDIR)/root.ext4 \
      $(AT91_SD_BOOT_PARTSIZE) \
      $(CONFIG_TARGET_ROOTFS_PARTSIZE)

  gzip -nc9 $@.img > $@

  rm -f $@.img $@.boot )
endef

define Device/evaluation-sdimage
  IMAGES += sdcard.img.gz
  IMAGE/sdcard.img.gz := at91-sdcard
endef

define Device/evaluation
  KERNEL_INSTALL := 1
  KERNEL_SUFFIX := -uImage
  IMAGES := root.ubi
  IMAGE/root.ubi := append-ubi
endef

define Device/evaluation-zImage
  IMAGES += zImage
  IMAGE/zImage := at91-install-zImage
endef

define Device/evaluation-dtb
  $(Device/evaluation)
  $(Device/dtb)
  $(Device/evaluation-zImage)
  IMAGES += dtb
  IMAGE/dtb := install-dtb
endef

define Device/evaluation-fit
  $(Device/evaluation)
  KERNEL_SUFFIX := -fit-uImage.itb
  KERNEL := kernel-bin | lzma | fit lzma $$(DTS_DIR)/$$(DEVICE_DTS).dtb
endef

define Device/production
  UBINIZE_OPTS := -E 5
  IMAGES := factory.bin
  IMAGE/factory.bin := append-kernel | pad-to $$$$(KERNEL_SIZE) | append-ubi
endef

define Device/production-dtb
  $(Device/production)
  $(Device/dtb)
  IMAGE/factory.bin := append-dtb | pad-to $$$$(DTB_SIZE) \
	  | append-kernel | pad-to $$$$(KERNEL_SIZE) | append-ubi
endef

$(eval $(call BuildImage))
generated by cgit v1.2.3 (git 2.25.1) at 2026-02-02 16:40:07 +0000