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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,26 +1,51 @@ | ||
| #!/bin/sh | ||
|
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| WORKDIR=$PWD | ||
| STARTUP_DIR=${WORKDIR}/../src/startup/rp2350 | ||
| PICO_SDK_PATH=pico-sdk | ||
| if [ ! -e ${PICO_SDK_PATH} ]; then | ||
| git clone --branch=develop --depth=1 https://github.com/raspberrypi/pico-sdk ${PICO_SDK_PATH} | ||
| fi | ||
| cd ${PICO_SDK_PATH}/src | ||
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| prep() { | ||
| prep_boot2() { | ||
| arm-none-eabi-gcc -E \ | ||
| -I${WORKDIR}/include \ | ||
| -Icommon/pico_base_headers/include \ | ||
| -Irp2350/pico_platform/include \ | ||
| -Irp2_common/pico_platform_compiler/include \ | ||
| -Irp2_common/pico_platform_panic/include \ | ||
| -Irp2_common/pico_platform_sections/include \ | ||
| -Irp2350/pico_platform/include \ | ||
| -Irp2350/hardware_regs/include \ | ||
| -Irp2350/hardware_structs/include \ | ||
| -Irp2350/boot_stage2/asminclude \ | ||
| rp2350/boot_stage2/boot2_$1.S >${WORKDIR}/../boot2/generated/boot2__rp2350_$1.S | ||
| echo "$1" | ||
| } | ||
|
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||
| prep generic_03h | ||
| prep w25q080 | ||
| prep_crt0() { | ||
| if [ ! -d ${STARTUP_DIR} ]; then | ||
| mkdir -p ${STARTUP_DIR} | ||
| fi | ||
|
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||
| arm-none-eabi-gcc -E \ | ||
| -I${WORKDIR}/include \ | ||
| -Icommon/pico_base_headers/include \ | ||
| -Icommon/pico_binary_info/include \ | ||
| -Icommon/boot_picobin_headers/include \ | ||
| -Irp2_common/pico_platform_compiler/include \ | ||
| -Irp2_common/pico_platform_panic/include \ | ||
| -Irp2_common/pico_platform_sections/include \ | ||
| -Irp2_common/boot_bootrom_headers/include \ | ||
| -Irp2_common/pico_bootrom/include \ | ||
| -Irp2350/pico_platform/include \ | ||
| -Irp2350/hardware_regs/include \ | ||
| -Irp2350/hardware_structs/include \ | ||
| rp2_common/pico_crt0/crt0.S >${STARTUP_DIR}/crt0.S | ||
| echo "crt0" | ||
| } | ||
|
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| prep_boot2 generic_03h | ||
| prep_boot2 w25q080 | ||
|
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||
| prep_crt0 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| #!/bin/sh | ||
|
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| TRIPLE=riscv64-unknown-elf | ||
| CC=${TRIPLE}-gcc | ||
| WORKDIR=${PWD} | ||
| STARTUP_DIR=${WORKDIR}/../src/startup/rp2350 | ||
| PICO_SDK_PATH=pico-sdk | ||
| if [ ! -e ${PICO_SDK_PATH} ]; then | ||
| git clone --branch=develop --depth=1 https://github.com/raspberrypi/pico-sdk ${PICO_SDK_PATH} | ||
| fi | ||
| cd ${PICO_SDK_PATH}/src | ||
|
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| prep_boot2() { | ||
| ${CC} -E \ | ||
| -I${WORKDIR}/include \ | ||
| -Icommon/pico_base_headers/include \ | ||
| -Irp2_common/pico_platform_compiler/include \ | ||
| -Irp2_common/pico_platform_panic/include \ | ||
| -Irp2_common/pico_platform_sections/include \ | ||
| -Irp2_common/hardware_hazard3/include \ | ||
| -Irp2350/pico_platform/include \ | ||
| -Irp2350/hardware_regs/include \ | ||
| -Irp2350/hardware_structs/include \ | ||
| -Irp2350/boot_stage2/asminclude \ | ||
| rp2350/boot_stage2/boot2_$1.S >${WORKDIR}/../boot2/generated/boot2__rp2350_$1.S | ||
| echo "$1" | ||
| } | ||
|
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||
| prep_crt0() { | ||
| if [ ! -d ${STARTUP_DIR} ]; then | ||
| mkdir -p ${STARTUP_DIR} | ||
| fi | ||
|
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||
| ${CC} -E \ | ||
| -I${WORKDIR}/include \ | ||
| -Icommon/pico_base_headers/include \ | ||
| -Icommon/pico_binary_info/include \ | ||
| -Icommon/boot_picobin_headers/include \ | ||
| -Irp2_common/pico_platform_compiler/include \ | ||
| -Irp2_common/pico_platform_panic/include \ | ||
| -Irp2_common/pico_platform_sections/include \ | ||
| -Irp2_common/boot_bootrom_headers/include \ | ||
| -Irp2_common/pico_bootrom/include \ | ||
| -Irp2_common/hardware_hazard3/include \ | ||
| -Irp2350/pico_platform/include \ | ||
| -Irp2350/hardware_regs/include \ | ||
| -Irp2350/hardware_structs/include \ | ||
| rp2_common/pico_crt0/crt0_riscv.S >${STARTUP_DIR}/crt0_riscv.S | ||
| echo "crt0_riscv" | ||
| } | ||
|
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||
| prep_boot2 generic_03h | ||
| prep_boot2 w25q080 | ||
|
|
||
| prep_crt0 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| -- | ||
| -- Copyright 2021 (C) Jeremy Grosser | ||
| -- | ||
| -- SPDX-License-Identifier: BSD-3-Clause | ||
| -- | ||
| with RP2350_SVD.TIMER0; use RP2350_SVD.TIMER0; | ||
|
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| package body RP.Timer is | ||
| function Clock | ||
| return Time | ||
| is | ||
| -- This implementation uses the non-latching TIMERAWH and TIMERAWL | ||
| -- registers in order to be safe for concurrent access. | ||
| Next_High : UInt32; | ||
| High : UInt32; | ||
| Low : UInt32; | ||
| begin | ||
| High := TIMER0_Periph.TIMERAWH; | ||
| Low := TIMER0_Periph.TIMERAWL; | ||
| Next_High := TIMER0_Periph.TIMERAWH; | ||
|
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| if Next_High /= High then | ||
| -- If TIMERAWH changed while we were reading TIMERAWL it means that at | ||
| -- some point between the two reads TIMERAWL overflowed and the values | ||
| -- where: | ||
| -- - TIMERAWL = 0 | ||
| -- - TIMERAWH = Next_High | ||
| -- | ||
| -- These values denote a valid point in time between the call and the | ||
| -- return of this function. | ||
|
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| Low := 0; | ||
| High := Next_High; | ||
| end if; | ||
|
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| return Time (Shift_Left (UInt64 (High), 32) or UInt64 (Low)); | ||
| end Clock; | ||
|
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| procedure Busy_Wait_Until (Deadline : Time) is | ||
| DL_High : constant UInt32 := | ||
| UInt32 (Shift_Right (Deadline, 32) and 16#FF_FF_FF_FF#); | ||
| DL_Low : constant UInt32 := | ||
| UInt32 (Deadline and 16#FF_FF_FF_FF#); | ||
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| High : UInt32 := TIMER0_Periph.TIMERAWH; | ||
| begin | ||
| loop | ||
| High := TIMER0_Periph.TIMERAWH; | ||
| exit when High >= DL_High; | ||
| end loop; | ||
|
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| while High = DL_High and then TIMER0_Periph.TIMERAWL < DL_Low loop | ||
| High := TIMER0_Periph.TIMERAWH; | ||
| end loop; | ||
|
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| end Busy_Wait_Until; | ||
|
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||
| function Milliseconds | ||
| (T : Natural) | ||
| return Time | ||
| is ((Ticks_Per_Second / 1_000) * Time (T)); | ||
|
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| procedure Set_Debug_Pause | ||
| (Core_0, Core_1 : Boolean) | ||
| is | ||
| begin | ||
| TIMER0_Periph.DBGPAUSE.DBG := (As_Array => True, Arr => (0 => Core_0, 1 => Core_1)); | ||
| end Set_Debug_Pause; | ||
|
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||
| end RP.Timer; |
File renamed without changes.
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