X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/6195e9739894771c56ea9bd3cba7bd7d04d8e7bc..489fcbc119f6ae46efc8f4077cbb5aa43683e404:/lunaix-os/kernel/proc0.c diff --git a/lunaix-os/kernel/proc0.c b/lunaix-os/kernel/proc0.c index e943974..36d8727 100644 --- a/lunaix-os/kernel/proc0.c +++ b/lunaix-os/kernel/proc0.c @@ -14,11 +14,13 @@ #include #include -#include +#include #include #include #include +#include + LOG_MODULE("PROC0") extern void @@ -109,6 +111,41 @@ 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 +__test_disk_io() +{ + struct hba_port* port = ahci_get_port(0); + 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 = + port->device->ops.write_buffer(port, 0, buffer, port->device->block_size); + if (!result) { + kprintf(KWARN "fail to write: %x\n", port->device->last_error); + } + + memset(buffer, 0, port->device->block_size); + + // 读出我们刚刚写的内容! + result = + port->device->ops.read_buffer(port, 0, buffer, port->device->block_size); + kprintf(KDEBUG "%x, %x\n", port->regs[HBA_RPxIS], port->regs[HBA_RPxTFD]); + if (!result) { + kprintf(KWARN "fail to read: %x\n", port->device->last_error); + } else { + kprint_hex(buffer, 256); + } + + vfree_dma(buffer); +} + void init_platform() { @@ -130,6 +167,8 @@ init_platform() ahci_init(); ahci_list_device(); + __test_disk_io(); + cake_stats(); syscall_install();