refactor: organize all arch related files together.

[lunaix-os.git] / lunaix-os / scripts / x86_idt_generator.py

diff --git a/lunaix-os/scripts/x86_idt_generator.py b/lunaix-os/scripts/x86_idt_generator.py
deleted file mode 100644 (file)
index 38fab80..0000000
--- a/lunaix-os/scripts/x86_idt_generator.py
+++ /dev/null
@@ -1,147 +0,0 @@
-from pathlib import Path
-
-intr_handler_h = "arch/i386/intrhnds.h"
-intr_handler_c = "kernel/asm/x86/intrhnds.c"
-intr_handler_s = "kernel/asm/x86/intrhnds.S"
-
-
-# default value for each interrupt vector config
-
-config = {
-    '8': {
-        'with_errno': True
-    },
-    '10': {
-        'with_errno': True
-    },
-    '11': {
-        'with_errno': True
-    },
-    '12': {
-        'with_errno': True
-    },
-    '13': {
-        'with_errno': True
-    },
-    '14': {
-        'with_errno': True
-    },
-    '17': {
-        'with_errno': True
-    },
-    '33': {
-        'dpl': 3
-    },
-    'default': {
-        'seg': 0x8,
-        'dpl': 0,
-        'vtype': 'IDT_INTERRUPT',
-        'with_errno': False
-    }
-}
-
-
-def get_workspace() -> Path:
-    file = Path(__file__)
-    return file.parent.parent.absolute()
-
-
-def export_h(src: Path):
-    hfile = src.joinpath("includes", intr_handler_h)
-    code = '\n'.join(["ISR(%s)" % x for x in range(0, 256)])
-    with hfile.open(mode='w+') as f:
-        f.write(f'''
-#ifndef __LUNAIX_INTRHNDS_H
-#define __LUNAIX_INTRHNDS_H
-#define ISR(iv) void _asm_isr##iv();
-{code}
-#endif
-''')
-
-
-def get_vector_config(vec_num, cfg_name):
-    vn = str(vec_num)
-    if vn not in config:
-        return config['default'][cfg_name]
-    attr = config[vn]
-    if cfg_name not in attr:
-        return config['default'][cfg_name]
-    return attr[cfg_name]
-
-
-def export_c(src: Path):
-    cfile = src.joinpath(intr_handler_c)
-    expr_list = []
-    for i in range(0, 256):
-        seg = get_vector_config(i, "seg")
-        dpl = get_vector_config(i, "dpl")
-        vtype = get_vector_config(i, "vtype")
-        expr_list.append(
-            f'    _set_idt_entry({i}, {seg}, _asm_isr{i}, {dpl}, {vtype});')
-    code = '\n'.join(expr_list)
-    with cfile.open(mode='w+') as f:
-        f.write(f'''
-#include <arch/i386/idt.h>
-#include <stdint.h>
-#include <{intr_handler_h}>
-
-#define IDT_ENTRY 256
-
-u64_t _idt[IDT_ENTRY];
-u16_t _idt_limit = sizeof(_idt) - 1;
-static inline void
-_set_idt_entry(u32_t vector,
-               u16_t seg_selector,
-               void (*isr)(),
-               u8_t dpl,
-               u8_t type)
-{{
-    ptr_t offset = (ptr_t)isr;
-    _idt[vector] = (offset & 0xffff0000) | IDT_ATTR(dpl, type);
-    _idt[vector] <<= 32;
-    _idt[vector] |= (seg_selector << 16) | (offset & 0x0000ffff);
-}}
-
-void _init_idt() {{
-{code}
-}}
-''')
-
-
-def export_s(src: Path):
-    sfile = src.joinpath(intr_handler_s)
-    expr_list = []
-    for i in range(0, 256):
-        has_errno = get_vector_config(i, "with_errno")
-        expr_list.append(
-            f"    isr_template {i}, no_error_code={'0' if has_errno else '1'}")
-
-    code = '\n'.join(expr_list)
-    marco = '''.macro isr_template vector, no_error_code=1
-    .global _asm_isr\\vector
-    .type _asm_isr\\vector, @function
-    _asm_isr\\vector:
-        .if \\no_error_code
-            pushl $0x0
-        .endif
-        pushl $\\vector
-        jmp interrupt_wrapper
-.endm'''
-    with sfile.open(mode='w+') as f:
-        f.write(f'''
-#define __ASM__
-{marco}
-.section .text
-{code}
-''')
-
-
-def main():
-    src = get_workspace()
-    export_h(src)
-    export_c(src)
-    export_s(src)
-
-
-if __name__ == "__main__":
-    main()