c3119ae881
This commit addresses critical architectural deficiencies in the MINIX kernel build and source structure. The changes are based on a comprehensive technical review and aim to establish a cleaner, more robust foundation for future kernel development.
Key changes include:
1. **Kernel-Specific Type System:**
* I introduced `minix/kernel/include/minix/kernel_types.h`.
* I defined kernel-specific types (e.g., `k_size_t`, `k_pid_t`) and fixed-width integer types (e.g., `k_uint32_t`) to replace userspace types.
2. **Kernel-Space Library (`klib`):**
* I created a new kernel library (`klib`) located in `minix/kernel/klib/`.
* I implemented basic string functions (`kstrlen`, `kstrlcpy`, `kstrcmp`) in `kstring.c`.
* I implemented basic memory functions (`kmemcpy`, `kmemset`, `kmemmove`) in `kmemory.c`.
* I added stub implementations for `kprintf`, `ksprintf`, and `kvprintf` in `kprintf_stub.c`, along with a `KASSERT_PLACEHOLDER` macro.
3. **Purged Userspace Dependencies:**
* I systematically refactored all C and header files within `minix/kernel/` and its subdirectories (`system/`, `arch/i386/`, `arch/earm/`).
* I removed userspace includes (e.g., `<string.h>`, `<stdlib.h>`, `<stdio.h>`, `<assert.h>`, `<sys/types.h>`, `<signal.h>`, `<unistd.h>`).
* I replaced calls to userspace C library functions with their `klib` equivalents or marked them with `FIXME` comments if a direct replacement was not yet available (e.g., `atoi`, `strncmp`).
* I replaced userspace types with their `k_` prefixed kernel versions.
4. **Build System Reconstruction (Meson):**
* I replaced `minix/kernel/meson.build` with a new script designed for a proper kernel build.
* The new build system defines kernel-specific compiler flags, handles architecture detection (i386, x86_64), sets up correct include paths, and builds `klib` and the main kernel executable.
* Assembly file compilation and linkage are noted as TODOs in the Meson script.
**Next Steps & Known Issues:**
The kernel is not expected to build successfully immediately after these changes. A significant number of `FIXME` comments and identified issues need to be addressed in a proper build environment. These include:
* Defining numerous missing constants (error numbers, signal numbers, etc.).
* Providing kernel-safe implementations for macros like `offsetof`.
* Implementing missing `klib` functions (e.g., a real `kprintf`, `kstrncmp`, `kmemcmp`, `katoi`).
* Developing kernel-space signal handling and ELF loading mechanisms.
* Adding rules for compiling and linking assembly source files.
This refactoring establishes the necessary structure to tackle these remaining issues systematically.
112 lines
3.7 KiB
Plaintext
112 lines
3.7 KiB
Plaintext
minix/kernel/arch/earm/arch_clock.c
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minix/kernel/arch/earm/arch_do_vmctl.c
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minix/kernel/arch/earm/arch_reset.c
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minix/kernel/arch/earm/arch_system.c
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minix/kernel/arch/earm/bsp/include/bsp_init.h
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minix/kernel/arch/earm/bsp/include/bsp_intr.h
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minix/kernel/arch/earm/bsp/include/bsp_padconf.h
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minix/kernel/arch/earm/bsp/include/bsp_reset.h
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minix/kernel/arch/earm/bsp/include/bsp_serial.h
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minix/kernel/arch/earm/bsp/include/bsp_timer.h
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minix/kernel/arch/earm/bsp/ti/omap_intr_registers.h
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minix/kernel/arch/earm/bsp/ti/omap_rtc.h
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minix/kernel/arch/earm/bsp/ti/omap_serial.c
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minix/kernel/arch/earm/bsp/ti/omap_serial.h
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minix/kernel/arch/earm/bsp/ti/omap_timer_registers.h
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minix/kernel/arch/earm/exception.c
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minix/kernel/arch/earm/include/arch_clock.h
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minix/kernel/arch/earm/include/arch_proto.h
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minix/kernel/arch/earm/include/arch_watchdog.h
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minix/kernel/arch/earm/include/archconst.h
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minix/kernel/arch/earm/include/ccnt.h
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minix/kernel/arch/earm/include/cpufunc.h
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minix/kernel/arch/earm/include/direct_utils.h
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minix/kernel/arch/earm/include/hw_intr.h
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minix/kernel/arch/earm/include/io.h
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minix/kernel/arch/earm/memory.c
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minix/kernel/arch/earm/pg_utils.c
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minix/kernel/arch/earm/pre_init.c
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minix/kernel/arch/earm/protect.c
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minix/kernel/arch/i386/acpi.c
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minix/kernel/arch/i386/acpi.h
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minix/kernel/arch/i386/apic.c
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minix/kernel/arch/i386/apic.h
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minix/kernel/arch/i386/arch_clock.c
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minix/kernel/arch/i386/arch_do_vmctl.c
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minix/kernel/arch/i386/arch_reset.c
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minix/kernel/arch/i386/arch_smp.c
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minix/kernel/arch/i386/arch_system.c
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minix/kernel/arch/i386/debugreg.h
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minix/kernel/arch/i386/do_iopenable.c
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minix/kernel/arch/i386/exception.c
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minix/kernel/arch/i386/include/arch_clock.h
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minix/kernel/arch/i386/include/arch_proto.h
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minix/kernel/arch/i386/include/arch_smp.h
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minix/kernel/arch/i386/include/arch_watchdog.h
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minix/kernel/arch/i386/include/archconst.h
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minix/kernel/arch/i386/include/direct_utils.h
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minix/kernel/arch/i386/include/hw_intr.h
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minix/kernel/arch/i386/memory.c
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minix/kernel/arch/i386/oxpcie.c
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minix/kernel/arch/i386/oxpcie.h
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minix/kernel/arch/i386/pg_utils.c
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minix/kernel/arch/i386/pre_init.c
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minix/kernel/arch/i386/protect.c
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minix/kernel/arch/i386/serial.h
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minix/kernel/clock.c
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minix/kernel/const.h
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minix/kernel/debug.c
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minix/kernel/debug.h
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minix/kernel/ipc.h
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minix/kernel/ipc_filter.h
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minix/kernel/kernel.h
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minix/kernel/main.c
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minix/kernel/priv.h
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minix/kernel/proc.h
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minix/kernel/profile.c
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minix/kernel/profile.h
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minix/kernel/proto.h
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minix/kernel/smp.c
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minix/kernel/smp.h
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minix/kernel/system/do_abort.c
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minix/kernel/system/do_clear.c
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minix/kernel/system/do_copy.c
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minix/kernel/system/do_devio.c
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minix/kernel/system/do_diagctl.c
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minix/kernel/system/do_exec.c
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minix/kernel/system/do_exit.c
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minix/kernel/system/do_fork.c
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minix/kernel/system/do_getinfo.c
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minix/kernel/system/do_getksig.c
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minix/kernel/system/do_irqctl.c
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minix/kernel/system/do_kill.c
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minix/kernel/system/do_mcontext.c
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minix/kernel/system/do_privctl.c
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minix/kernel/system/do_runctl.c
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minix/kernel/system/do_safecopy.c
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minix/kernel/system/do_safememset.c
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minix/kernel/system/do_schedctl.c
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minix/kernel/system/do_schedule.c
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minix/kernel/system/do_setalarm.c
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minix/kernel/system/do_setgrant.c
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minix/kernel/system/do_settime.c
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minix/kernel/system/do_sigreturn.c
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minix/kernel/system/do_sigsend.c
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minix/kernel/system/do_sprofile.c
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minix/kernel/system/do_statectl.c
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minix/kernel/system/do_stime.c
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minix/kernel/system/do_times.c
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minix/kernel/system/do_trace.c
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minix/kernel/system/do_umap.c
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minix/kernel/system/do_umap_remote.c
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minix/kernel/system/do_update.c
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minix/kernel/system/do_vdevio.c
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minix/kernel/system/do_vmctl.c
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minix/kernel/system/do_vtimer.c
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minix/kernel/system/do_vumap.c
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minix/kernel/system.c
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minix/kernel/table.c
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minix/kernel/type.h
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minix/kernel/utility.c
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minix/kernel/watchdog.c
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