kern: Add initial pirho compiler sources

The pirho compiler is a ring-0 compiler used to compile core parts of
the kernel during updates and installs from the initramfs.

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 78 insertions, 0 deletions

diff --git a/src/sys/include/os/np.h b/src/sys/include/os/np.h
new file mode 100644
index 0000000..3083ee1
--- /dev/null
+++ b/src/sys/include/os/np.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2025 Ian Marco Moffett and L5 engineers
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the project nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Description: Pirho compiler interface
+ * Author: Ian Marco Moffett
+ */
+
+#ifndef _OS_NP_H_
+#define _OS_NP_H_ 1
+
+#include <sys/types.h>
+#include <os/vnode.h>
+#include <np/lex.h>
+
+/*
+ * Compiler work
+ *
+ * @source: Source input file
+ * @source_size: Source size in bytes
+ * @line_no: Current line number
+ * @lex_st: Lexer state
+ */
+struct np_work {
+    char *source;
+    size_t source_size;
+    size_t line_no;
+    struct lexer_state lex_st;
+};
+
+/*
+ * Initializes the compiler state into known values
+ *
+ * @in_path: Input file path of sources to be compiled
+ * @workp: Resulting work data is written here
+ *
+ * Returns zero on success, otherwise a less than zero
+ * value on failure.
+ */
+int np_init(const char *in_path, struct np_work *workp);
+
+/*
+ * Complete work by compiling the input file
+ *
+ * @work: Work that will be compiled
+ *
+ * Returns zero on success, otherwise a less than
+ * zero value on failure
+ */
+int np_compile(struct np_work *work);
+
+#endif /* _OS_NP_H_ */