feat: open(2), close(2), mkdir(2) and readdir(2) syscall

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

diff --git a/lunaix-os/kernel/proc0.c b/lunaix-os/kernel/proc0.c
index 92d3fd3df34478c42da249d81649b43414902e0d..f2a845840f2a7656cc556ea16152affd3bcb9347 100644 (file)
--- a/lunaix-os/kernel/proc0.c
+++ b/lunaix-os/kernel/proc0.c
@@ -1,8 +1,12 @@
 #include <arch/x86/boot/multiboot.h>
 #include <lunaix/common.h>
+#include <lunaix/fs.h>
+#include <lunaix/fs/twifs.h>
 #include <lunaix/lunistd.h>
 #include <lunaix/lxconsole.h>
+#include <lunaix/mm/cake.h>
 #include <lunaix/mm/pmm.h>
+#include <lunaix/mm/valloc.h>
 #include <lunaix/mm/vmm.h>
 #include <lunaix/peripheral/ps2kbd.h>
 #include <lunaix/proc.h>
@@ -12,10 +16,13 @@
 #include <stddef.h>
 
 #include <hal/acpi/acpi.h>
+#include <hal/ahci/ahci.h>
 #include <hal/apic.h>
 #include <hal/ioapic.h>
 #include <hal/pci.h>
 
+#include <klibc/string.h>
+
 LOG_MODULE("PROC0")
 
 extern void
@@ -106,36 +113,72 @@ 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 */
 
+char test_sequence[] = "Once upon a time, in a magical land of Equestria. "
+                       "There were two regal sisters who ruled together "
+                       "and created harmony for all the land.";
+
 void
-init_platform()
+__test_disk_io()
 {
-    assert_msg(kalloc_init(), "Fail to initialize heap");
+    struct hba_port* port = ahci_get_port(0);
+    struct hba_device* dev = port->device;
+    char* buffer = vzalloc_dma(port->device->block_size);
+    strcpy(buffer, test_sequence);
+    kprintf("WRITE: %s\n", buffer);
+    int result;
+
+    // 写入第一扇区 (LBA=0)
+    result = dev->ops.write_buffer(dev, 0, buffer, dev->block_size);
+    if (!result) {
+        kprintf(KWARN "fail to write: %x\n", dev->last_error);
+    }
+
+    memset(buffer, 0, dev->block_size);
 
+    // 读出我们刚刚写的内容！
+    result = dev->ops.read_buffer(dev, 0, buffer, dev->block_size);
+    kprintf(KDEBUG "%x, %x\n", port->regs[HBA_RPxIS], port->regs[HBA_RPxTFD]);
+    if (!result) {
+        kprintf(KWARN "fail to read: %x\n", dev->last_error);
+    } else {
+        kprint_hex(buffer, 256);
+    }
+
+    vfree_dma(buffer);
+}
+
+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();
 
-    acpi_init(_k_init_mb_info);
-    uintptr_t ioapic_addr = acpi_get_context()->madt.ioapic->ioapic_addr;
-    pmm_mark_page_occupied(
-      KERNEL_PID, FLOOR(__APIC_BASE_PADDR, PG_SIZE_BITS), 0);
-    pmm_mark_page_occupied(KERNEL_PID, FLOOR(ioapic_addr, PG_SIZE_BITS), 0);
-
-    vmm_set_mapping(
-      PD_REFERENCED, MMIO_APIC, __APIC_BASE_PADDR, PG_PREM_RW, VMAP_NULL);
-    vmm_set_mapping(
-      PD_REFERENCED, MMIO_IOAPIC, ioapic_addr, PG_PREM_RW, VMAP_NULL);
+    assert_msg(kalloc_init(), "Fail to initialize heap");
 
+    acpi_init(_k_init_mb_info);
     apic_init();
     ioapic_init();
     timer_init(SYS_TIMER_FREQUENCY_HZ);
     clock_init();
     ps2_kbd_init();
     pci_init();
-    pci_print_device();
+    ahci_init();
+    // ahci_list_device();
+
+    fsm_init();
+    vfs_init();
+    twifs_init();
+
+    vfs_mount("/", "twifs", -1);
+
+    //__test_disk_io();
+
+    // cake_stats();
 
     syscall_install();
 
     console_start_flushing();
+    console_flush();
 
     unlock_reserved_memory();
 
@@ -181,6 +224,8 @@ __do_reserved_memory(int unlock)
                     break;
                 }
                 vmm_set_mapping(PD_REFERENCED, _pa, _pa, PG_PREM_R, VMAP_NULL);
+                pmm_mark_page_occupied(
+                  KERNEL_PID, _pa >> PG_SIZE_BITS, PP_FGLOCKED);
             }
             // Save the progress for later unmapping.
             mmaps[i].len_low = j * PG_SIZE;
@@ -188,6 +233,9 @@ __do_reserved_memory(int unlock)
             for (; j < pg_num; j++) {
                 uintptr_t _pa = pa + (j << PG_SIZE_BITS);
                 vmm_del_mapping(PD_REFERENCED, _pa);
+                if (mmap.type == MULTIBOOT_MEMORY_ACPI_RECLAIMABLE) {
+                    pmm_mark_page_free(_pa >> PG_SIZE_BITS);
+                }
             }
         }
     }