 H. Peter Anvin
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cd15d8fd49
picorv32: revamp the Q registers to be a full bank switch
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пре 3 година |
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H. Peter Anvin
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2b261e54f6
fw: add interrupt support; use a linker script
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пре 3 година |
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H. Peter Anvin
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6a406133f0
Add sdcard and sysclock units; reshuffle address map
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пре 3 година |
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H. Peter Anvin
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9093b88195
Add ELM-Chan FatFS 0.14b explicitly
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пре 3 година |
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H. Peter Anvin
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3673cdd132
Remove fatfs as a submodule. It is small and needs edits.
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пре 3 година |
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H. Peter Anvin
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1f822e260c
Change onboard fast SRAM from 8K to 32K
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пре 3 година |
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H. Peter Anvin
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cae89058dc
fw/Makefile: add explicit path to CROSS
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пре 3 година |
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H. Peter Anvin
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42f4ad6376
Make downloader work; use PLL for SDRAM clock offset
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пре 3 година |
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H. Peter Anvin
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0176e771d1
fw: irq wrapper, picorv32 custom instructions, _die() with blinkenlights
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пре 3 година |
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H. Peter Anvin
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c2bee3cb77
fw: pull in libc, printf to console, SDRAM test
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пре 3 година |
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H. Peter Anvin
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b87dddeaa9
fw: tty is not working due to invalid pinout
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пре 3 година |
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H. Peter Anvin
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f2060589ab
Default baud rate = 115200, baud rate programmable
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пре 3 година |
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H. Peter Anvin
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265fb7692e
CPU now can execute instructions, at least in simulation!!
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пре 3 година |
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H. Peter Anvin
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c78f9d909d
Roll back picorv32 hacks for unaligned memory support
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пре 3 година |
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H. Peter Anvin
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062a3d9eb1
Reorganize tree so a single Makefile can do the right thing
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пре 3 година |
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H. Peter Anvin
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29838ba040
Add toolchain build via git submodules and Makefile
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пре 3 година |
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H. Peter Anvin
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aad6fa3aad
fw: link against newlib-nano
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пре 3 година |
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H. Peter Anvin
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8e77198270
Better fast_mem implementation; need to split .mif files
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пре 3 година |
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H. Peter Anvin
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0a742774ae
Getting full synthesis with CPU and fast memory; not tested yet
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пре 3 година |
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H. Peter Anvin
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345f6b4fb6
fw: build and link a file that can go into the fast memory
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пре 3 година |
