 H. Peter Anvin
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09d392bd4c
fw: use -malign-data=natural
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4 жил өмнө |
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H. Peter Anvin
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6b1989fac8
fw: allow gcc to optimize memset, memcpy, and memmove
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4 жил өмнө |
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H. Peter Anvin
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d37791d8a7
fw: faster memset()
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4 жил өмнө |
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H. Peter Anvin
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ec99762a84
Use waitirq rather than suspending a memory transaction for SD card
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4 жил өмнө |
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H. Peter Anvin
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affd869f20
Add to waitirq and "andmask" and an "ormask".
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4 жил өмнө |
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H. Peter Anvin
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8f74766933
rtc: print the decoded RTC time to the console and update systime
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4 жил өмнө |
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H. Peter Anvin
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56753cd6a3
abcbus: move abcbus to separate module; add I/O status register
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4 жил өмнө |
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H. Peter Anvin
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69476ffdf6
Add I/O interface to the ABC bus, using SDRAM DMA
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4 жил өмнө |
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H. Peter Anvin
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ef652637f0
fw: drop RTC I2C frequency to 100 kHz
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4 жил өмнө |
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H. Peter Anvin
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f6f9bf7ede
Add i2c unit
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4 жил өмнө |
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H. Peter Anvin
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55b0aeee3f
iodev: move one-register "devices" into a common "sys"; add "abc" device
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4 жил өмнө |
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H. Peter Anvin
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e1878a396f
Detect the presence of an ABC-bus by looking for a clock signal
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4 жил өмнө |
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H. Peter Anvin
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8368aa9534
fpga: parameterize the rtc_32khz workaround
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4 жил өмнө |
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H. Peter Anvin
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2ee2c77bd7
sdram: fix initialization sequence again
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4 жил өмнө |
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H. Peter Anvin
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b5e39487bd
max80: change esp_ctr debug signal to 4 Hz
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4 жил өмнө |
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H. Peter Anvin
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c40501f76e
SDRAM access from the ABC-bus
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4 жил өмнө |
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H. Peter Anvin
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03fae78888
hack: binary counter on ESP pins to test connectivity
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4 жил өмнө |
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H. Peter Anvin
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3608e21183
Add extended devices (xdevs) that require > 128 bytes
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4 жил өмнө |
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H. Peter Anvin
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f3992b85ad
sdcard: run in slow mode (400 kHz during initialization)
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4 жил өмнө |
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H. Peter Anvin
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4cc5301813
sdcard: generalize the IP, instantiate for ESP32 SPI channel too
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4 жил өмнө |
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H. Peter Anvin
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518503fa99
iodev: centralize definitions and auto-generate boiler plate code
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4 жил өмнө |
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H. Peter Anvin
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74ebfc9b60
fw: allow optimization if IRQ_VECTORS < 32
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4 жил өмнө |
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H. Peter Anvin
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bc09800c11
fw: make sure to clear the timer IRQ counter on init...
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4 жил өмнө |
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H. Peter Anvin
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9535001a01
fw: force instructions in irqasm.S to be aligned
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4 жил өмнө |
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H. Peter Anvin
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d3cac913de
fw: prevent invalid linker relaxation in irqasm.S
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4 жил өмнө |
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H. Peter Anvin
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555a856ff4
fw: move .sdata/.sbss into the zero page
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4 жил өмнө |
|
H. Peter Anvin
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211ec5e0c8
fw: set gp for the IRQ bank too
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4 жил өмнө |
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H. Peter Anvin
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2efc87efde
Add irqasm.S... still no interrupts, but no crashes either...
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4 жил өмнө |
|
H. Peter Anvin
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cd15d8fd49
picorv32: revamp the Q registers to be a full bank switch
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4 жил өмнө |
|
H. Peter Anvin
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bcefeb445b
Switch to aggressive optimization to improve timing
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4 жил өмнө |
