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-rw-r--r--cmd/sbc_harness/main.c225
1 files changed, 0 insertions, 225 deletions
diff --git a/cmd/sbc_harness/main.c b/cmd/sbc_harness/main.c
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--- a/cmd/sbc_harness/main.c
+++ /dev/null
@@ -1,225 +0,0 @@
-/* sbc_harness/main.c - Main entry point and event loop for sbc-harness
- *
- * Copyright (C) 2024-2025 Luke T. Shumaker <lukeshu@lukeshu.com>
- * SPDX-License-Identifier: AGPL-3.0-or-later
- */
-
-/* libc */
-#include <string.h> /* libc: for strlen() */
-
-/* pico-sdk */
-#include <pico/stdio_uart.h> /* pico-sdk:pico_stdio_uart: for stdio_uart_init() */
-#include <hardware/flash.h> /* pico-sdk:hardware_flash: for flash_get_unique_id() */
-
-/* our OS */
-#include <libcr/coroutine.h>
-#include <libhw/generic/alarmclock.h> /* so we can set `bootclock` */
-#include <libhw/rp2040_hwspi.h>
-#include <libhw/rp2040_hwtimer.h>
-#include <libhw/w5500.h>
-
-/* our application libraries */
-#include <libdhcp/client.h>
-#include <libusb/usb_common.h>
-#include <lib9p/srv.h>
-#include <util9p/static.h>
-
-/* our utility libraries */
-#include <libmisc/hash.h>
-#define LOG_NAME MAIN
-#include <libmisc/log.h>
-
-/* local headers */
-#include "usb_keyboard.h"
-#include "static.h"
-
-/* configuration **************************************************************/
-
-#include "config.h"
-
-/* file tree ******************************************************************/
-
-enum { PATH_BASE = __COUNTER__ };
-#define PATH_COUNTER __COUNTER__ - PATH_BASE
-
-#define STATIC_FILE(STRNAME, ...) UTIL9P_STATIC_FILE(PATH_COUNTER, STRNAME, __VA_ARGS__)
-#define STATIC_DIR(STRNAME, ...) UTIL9P_STATIC_DIR(PATH_COUNTER, STRNAME, __VA_ARGS__)
-
-struct lib9p_srv_file root =
- STATIC_DIR("",
- STATIC_DIR("Documentation",
- STATIC_FILE("YOUR_RIGHTS_AND_OBLIGATIONS.md",
- .data_start = _binary_static_Documentation_YOUR_RIGHTS_AND_OBLIGATIONS_md_start,
- .data_end = _binary_static_Documentation_YOUR_RIGHTS_AND_OBLIGATIONS_md_end),
- STATIC_DIR("YOUR_RIGHTS_AND_OBLIGATIONS",
- STATIC_FILE("agpl-3.0.txt",
- .data_start = _binary_static_Documentation_YOUR_RIGHTS_AND_OBLIGATIONS_agpl_3_0_txt_start,
- .data_end = _binary_static_Documentation_YOUR_RIGHTS_AND_OBLIGATIONS_agpl_3_0_txt_end),
- STATIC_FILE("pico-sdk.bsd3.txt",
- .data_start = _binary_static_Documentation_YOUR_RIGHTS_AND_OBLIGATIONS_pico_sdk_bsd3_txt_start,
- .data_end = _binary_static_Documentation_YOUR_RIGHTS_AND_OBLIGATIONS_pico_sdk_bsd3_txt_end),
- STATIC_FILE("printf.mit.txt",
- .data_start = _binary_static_Documentation_YOUR_RIGHTS_AND_OBLIGATIONS_printf_mit_txt_start,
- .data_end = _binary_static_Documentation_YOUR_RIGHTS_AND_OBLIGATIONS_printf_mit_txt_end),
- STATIC_FILE("tinyusb.mit.txt",
- .data_start = _binary_static_Documentation_YOUR_RIGHTS_AND_OBLIGATIONS_tinyusb_mit_txt_start,
- .data_end = _binary_static_Documentation_YOUR_RIGHTS_AND_OBLIGATIONS_tinyusb_mit_txt_end),
- STATIC_FILE("newlib.txt",
- .data_start = _binary_static_Documentation_YOUR_RIGHTS_AND_OBLIGATIONS_newlib_txt_start,
- .data_end = _binary_static_Documentation_YOUR_RIGHTS_AND_OBLIGATIONS_newlib_txt_end),
- ),
- STATIC_FILE("harness_rom_bin.txt",
- .data_start = _binary_static_Documentation_harness_rom_bin_txt_start,
- .data_end = _binary_static_Documentation_harness_rom_bin_txt_end),
- STATIC_FILE("harness_flash_bin.txt",
- .data_start = _binary_static_Documentation_harness_flash_bin_txt_start,
- .data_end = _binary_static_Documentation_harness_flash_bin_txt_end),
- ),
- STATIC_DIR("harness",
- STATIC_FILE("rom.bin",
- .data_start = (void*)0x00000000,
- .data_size = 16*1024),
- // TODO: Make flash.bin writable.
- STATIC_FILE("flash.bin",
- .data_start = (void*)0x10000000,
- .data_size = PICO_FLASH_SIZE_BYTES),
- // TODO: system.log
- // TODO: proc.txt
- // TODO: cpuinfo.txt
- // TODO: ctl
- ),
- STATIC_DIR("dut",
- // TODO: hdmi.nut
- // TODO: uart.txt
- // TODO: usb-keyboard.txt
- ),
- );
-
-static lo_interface lib9p_srv_file get_root(struct lib9p_srv_ctx *LM_UNUSED(ctx), struct lib9p_s LM_UNUSED(treename)) {
- return root;
-}
-
-/* Code ***********************************************************************/
-
-/*
-static COROUTINE hello_world_cr(void *_chan) {
- const char *msg = "Hello world!\n";
- usb_keyboard_rpc_t *chan = _chan;
- cr_begin();
-
- for (size_t i = 0;; i = (i+1) % strlen(msg)) {
- int result = usb_keyboard_rpc_send_req(chan, (uint32_t)msg[i]);
- if (result < 1) {
- errorf("error sending rune U+%d", (uint32_t)msg[i]);
- break;
- }
- }
-
- cr_end();
-}
-*/
-
-struct {
- struct rp2040_hwspi dev_spi;
- struct w5500 dev_w5500;
- usb_keyboard_rpc_t keyboard_chan;
- uint16_t usb_serial[sizeof(uint64_t)*2]; /* UTF-16 */
- struct lib9p_srv srv;
-} globals;
-
-static COROUTINE dhcp_cr(void *) {
- cr_begin();
-
- dhcp_client_main(lo_box_w5500_if_as_net_iface(&globals.dev_w5500), "harness");
-
- cr_end();
-}
-
-static COROUTINE read9p_cr(void *) {
- cr_begin();
-
- lo_interface net_iface iface = lo_box_w5500_if_as_net_iface(&globals.dev_w5500);
- lo_interface net_stream_listener listener = LO_CALL(iface, tcp_listen, LIB9P_DEFAULT_PORT_9FS);
-
- lib9p_srv_read_cr(&globals.srv, listener);
-
- cr_end();
-}
-
-const char *const hexdig = "0123456789ABCDEF";
-static_assert(CONFIG_9P_SRV_MAX_REQS*_CONFIG_9P_NUM_SOCKS <= 16);
-
-COROUTINE init_cr(void *) {
- cr_begin();
-
- /* NOR flash chips have a (bog-?)standard "RUID" "Read Unique
- * ID" instruction; use our flash chip's unique ID as the
- * basis for our serial numbers. */
- uint64_t flash_id64;
- static_assert(sizeof(flash_id64) == FLASH_UNIQUE_ID_SIZE_BYTES);
- flash_get_unique_id((uint8_t *)&flash_id64);
- uint32_t flash_id32 = hash(&flash_id64, sizeof(flash_id64));
- static_assert(sizeof(flash_id32) == sizeof(hash(NULL, 0)));
- uint8_t flash_id24[3] = {
- (uint8_t)((flash_id32 >> 16) & 0xFF),
- (uint8_t)((flash_id32 >> 8) & 0xFF),
- (uint8_t)((flash_id32 >> 0) & 0xFF),
- };
-
- rp2040_hwspi_init(&globals.dev_spi, "W5500", RP2040_HWSPI_0,
- SPI_MODE_0, /* the W5500 supports mode 0 or mode 3 */
- 42500000, /* min(w5500, hwspi); w5500=80MHz; hwspi=42.5MHz, see rp2040_hwspi.h for a comment about why this is so low */
- 30, /* W5500 datasheet says min(T_CS = SCSn High Time) = 30ns */
- 0, /* bogus write write data when doing a read */
- 16, /* PIN_MISO */
- 19, /* PIN_MOSI */
- 18, /* PIN_CLK */
- 17, /* PIN_CS */
- 0, 1, 2, 3); /* DMA channels */
- w5500_init(&globals.dev_w5500, "W5500",
- lo_box_rp2040_hwspi_as_spi(&globals.dev_spi),
- 21, /* PIN_INTR */
- 20, /* PIN_RESET */
- ((struct net_eth_addr){{
- /* vendor ID: "Wiznet" */
- 0x00, 0x08, 0xDC,
- /* serial number */
- flash_id24[0], flash_id24[1], flash_id24[2],
- }}));
-
- static_assert(sizeof(flash_id64)*2 == LM_ARRAY_LEN(globals.usb_serial));
- for (size_t i = 0; i < LM_ARRAY_LEN(globals.usb_serial); i++)
- globals.usb_serial[i] = hexdig[(flash_id64 >> ((sizeof(flash_id64)*8)-((i+1)*4))) & 0xF];
- usb_common_earlyinit(globals.usb_serial, sizeof(globals.usb_serial));
- usb_keyboard_init();
- usb_common_lateinit();
-
- globals.keyboard_chan = (usb_keyboard_rpc_t){0};
-
- globals.srv.rootdir = get_root;
-
- /* set up coroutines **************************************************/
- coroutine_add("usb_common", usb_common_cr, NULL);
- coroutine_add("usb_keyboard", usb_keyboard_cr, &globals.keyboard_chan);
- //coroutine_add("hello_world", hello_world_cr, &globals.keyboard_chan);
- coroutine_add("dhcp", dhcp_cr, NULL);
- for (int i = 0; i < _CONFIG_9P_NUM_SOCKS; i++) {
- char name[] = {'r', 'e', 'a', 'd', '-', hexdig[i], '\0'};
- coroutine_add(name, read9p_cr, NULL);
- }
- for (int i = 0; i < CONFIG_9P_SRV_MAX_REQS*_CONFIG_9P_NUM_SOCKS; i++) {
- char name[] = {'w', 'r', 'i', 't', 'e', '-', hexdig[i], '\0'};
- coroutine_add(name, lib9p_srv_write_cr, &globals.srv);
- }
-
- cr_exit();
-}
-
-int main() {
- bootclock = rp2040_hwtimer(0);
- stdio_uart_init();
- /* char *hdr = "=" * (80-strlen("info : MAIN: ")); */
- infof("===================================================================");
- coroutine_add("init", init_cr, NULL);
- coroutine_main();
-}
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