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Diffstat (limited to 'config.h')
| -rw-r--r-- | config.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/config.h b/config.h new file mode 100644 index 0000000..37bfcbe --- /dev/null +++ b/config.h @@ -0,0 +1,58 @@ +/* config.h - Compile-time configuration for sbc-harness + * + * Copyright (C) 2024 Luke T. Shumaker <lukeshu@lukeshu.com> + * SPDX-Licence-Identifier: AGPL-3.0-or-later + */ +#ifndef _CONFIG_H_ +#define _CONFIG_H_ + +/*#include <assert.h>*/ + +#if defined(USE_CONFIG_NETIO_POSIX) || defined(USE_CONFIG_COROUTINE) +# define CONFIG_NETIO_NUM_CONNS 8 +#endif +#ifdef USE_CONFIG_NETIO_POSIX +# define CONFIG_NETIO_ISLINUX 1 /* can we use Linux-kernel-specific fcntls? */ +# define CONFIG_NETIO_NUM_PORTS 1 +#endif + +#ifdef USE_CONFIG_COROUTINE +# define CONFIG_COROUTINE_DEFAULT_STACK_SIZE (8*1024) +# define CONFIG_COROUTINE_MEASURE_STACK 1 /* bool */ +# define CONFIG_COROUTINE_PROTECT_STACK 1 /* bool */ +# define CONFIG_COROUTINE_DEBUG 0 /* bool */ +# define CONFIG_COROUTINE_NUM (1 /* usb_common */ +\ + 1 /* usb_keyboard */ +\ + CONFIG_NETIO_NUM_CONNS /* accept+read */ +\ + (2*CONFIG_NETIO_NUM_CONNS) /* work+write */ ) + /*static_assert((CONFIG_COROUTINE_NUM * CONFIG_COROUTINE_DEFAULT_STACK_SIZE) < (264 * 1024)); */ +#endif + +#ifdef USE_CONFIG_TUSB +# include "tusb_config.h" +#endif + +#ifdef USE_CONFIG_9P +# define CONFIG_9P_PORT 564 + /** + * This max-msg-size is sized so that a Twrite message can return + * 8KiB of data. + * + * This is the same as the default in Plan 9 4e's lib9p; it has the + * comment that "24" is "ample room for Twrite/Rread header + * (iounit)". In fact, the Twrite header is only 23 bytes + * ("size[4] Twrite[1] tag[2] fid[4] offset[8] count[4]") and the + * Rread header is even shorter at 11 bytes ("size[4] Rread[1] + * tag[2] count[4]"), so "24" appears to be the size of the Twrite + * header rounded up to a nice round number. + * + * In older versions of 9P ("9P1"), the max message size was + * defined as part of the protocol specification rather than + * negotiated. In Plan 9 1e it was (8*1024)+128, and was bumped to + * (8*1024)+160 in 2e and 3e. + */ +# define CONFIG_9P_MAX_MSG_SIZE ((8*1024)+24) +# define CONFIG_9P_MAX_ERR_SIZE 128 /* 128 is what Plan 9 4e uses */ +#endif + +#endif /* _CONFIG_H */ |