feat: a file system mapping for pci devices

[lunaix-os.git] / lunaix-os / kernel / proc0.c

diff --git a/lunaix-os/kernel/proc0.c b/lunaix-os/kernel/proc0.c
index 3ad6476679e9e76ff677bfb3a9b561f4900078b8..bdc23ced68618e2d89f95096b81c9471f752ae84 100644 (file)
--- a/lunaix-os/kernel/proc0.c
+++ b/lunaix-os/kernel/proc0.c
@@ -1,6 +1,6 @@
-#include <arch/x86/boot/multiboot.h>
 #include <lunaix/block.h>
 #include <lunaix/common.h>
+#include <lunaix/fctrl.h>
 #include <lunaix/fs.h>
 #include <lunaix/fs/twifs.h>
 #include <lunaix/lunistd.h>
@@ -14,16 +14,21 @@
 #include <lunaix/spike.h>
 #include <lunaix/syscall.h>
 #include <lunaix/syslog.h>
-#include <stddef.h>
+#include <lunaix/types.h>
 
 #include <hal/acpi/acpi.h>
 #include <hal/ahci/ahci.h>
 #include <hal/apic.h>
 #include <hal/ioapic.h>
 #include <hal/pci.h>
+#include <hal/rtc.h>
+
+#include <arch/x86/boot/multiboot.h>
 
 #include <klibc/string.h>
 
+#include <ulibc/stdio.h>
+
 LOG_MODULE("PROC0")
 
 extern void
@@ -44,7 +49,9 @@ __do_reserved_memory(int unlock);
 #define USE_DEMO
 // #define DEMO_SIGNAL
 // #define DEMO_READDIR
-#define DEMO_IOTEST
+// #define DEMO_IOTEST
+// #define DEMO_INPUT_TEST
+#define DEMO_SIMPLE_SH
 
 extern void
 _pconsole_main();
@@ -61,13 +68,25 @@ _readdir_main();
 extern void
 _iotest_main();
 
+extern void
+input_test();
+
+extern void
+sh_main();
+
 void __USER__
 __proc0_usr()
 {
+    // 打开tty设备(控制台)，作为标准输入输出。
+    //  tty设备属于序列设备（Sequential Device），该类型设备的上层读写
+    //  无须经过Lunaix的缓存层，而是直接下发到底层驱动。（不受FO_DIRECT的影响）
+    int fdstdout = open("/dev/tty", 0);
+    int fdstdin = dup2(stdout, 1);
+
     pid_t p;
-    if (!fork()) {
-        _pconsole_main();
-    }
+    // if (!fork()) {
+    //     _pconsole_main();
+    // }
 
     if (!(p = fork())) {
 #ifndef USE_DEMO
@@ -78,9 +97,15 @@ __proc0_usr()
         _readdir_main();
 #elif defined DEMO_IOTEST
         _iotest_main();
+#elif defined DEMO_INPUT_TEST
+        input_test();
+#elif defined DEMO_SIMPLE_SH
+        sh_main();
 #else
         _lxinit_main();
 #endif
+        printf("==== test end ====\n");
+        _exit(0);
     }
 
     waitpid(p, 0, 0);
@@ -126,17 +151,13 @@ extern uint8_t __kernel_end;              /* link/linker.ld */
 extern uint8_t __init_hhk_end;            /* link/linker.ld */
 extern multiboot_info_t* _k_init_mb_info; /* k_init.c */
 
-extern void
-block_twifs_create();
-
 void
 init_platform()
 {
     // 锁定所有系统预留页（内存映射IO，ACPI之类的），并且进行1:1映射
     lock_reserved_memory();
 
-    assert_msg(kalloc_init(), "Fail to initialize heap");
-
+    rtc_init();
     acpi_init(_k_init_mb_info);
     apic_init();
     ioapic_init();
@@ -146,19 +167,6 @@ init_platform()
     pci_init();
     block_init();
     ahci_init();
-    // ahci_list_device();
-
-    fsm_init();
-    vfs_init();
-    twifs_init();
-
-    block_twifs_create();
-
-    vfs_mount("/", "twifs", -1);
-
-    //__test_disk_io();
-
-    // cake_stats();
 
     syscall_install();
 
@@ -171,6 +179,10 @@ init_platform()
         vmm_del_mapping(PD_REFERENCED, (void*)i);
         pmm_free_page(KERNEL_PID, (void*)i);
     }
+
+    for (size_t i = L1_INDEX(KERNEL_MM_BASE); i < 1023; i++) {
+        vmm_set_mapping(PD_REFERENCED, i << 22, 0, 0, VMAP_NOMAP);
+    }
 }
 
 void