X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/b26d3165c52589d1f8de37bf0df27ad96f460f47..7c7b5f05d39b7739d990f71256a2267ec67a6913:/lunaix-os/kernel/peripheral/ps2kbd.c diff --git a/lunaix-os/kernel/peripheral/ps2kbd.c b/lunaix-os/kernel/peripheral/ps2kbd.c index 1547283..8ba1b91 100644 --- a/lunaix-os/kernel/peripheral/ps2kbd.c +++ b/lunaix-os/kernel/peripheral/ps2kbd.c @@ -1,18 +1,17 @@ -#include -#include #include -#include #include #include #include #include #include -#include -#include +#include +#include + #include -#include +#include +#include #define PS2_DEV_CMD_MAX_ATTEMPTS 5 @@ -123,30 +122,37 @@ ps2_kbd_init() kbd_idev = input_add_device("i8042-kbd"); - acpi_context* acpi_ctx = acpi_get_context(); - if (acpi_ctx->fadt.header.rev > 1) { - /* - * 只有当前ACPI版本大于1时,我们才使用FADT的IAPC_BOOT_ARCH去判断8042是否存在。 - * 这是一个坑,在ACPI v1中,这个字段是reserved!而这及至ACPI v2才出现。 - * 需要注意:Bochs 和 QEMU 使用的是ACPI v1,而非 v2 - * (virtualbox好像是v4) - * - * (2022/6/29) - * QEMU在7.0.0版本中,修复了FADT::IAPC_BOOT无法正确提供关于i8042的信息的bug - * https://wiki.qemu.org/ChangeLog/7.0#ACPI_.2F_SMBIOS - * - * 请看Bochs的bios源码(QEMU的BIOS其实是照抄bochs的,所以也是一个德行。。): - * https://bochs.sourceforge.io/cgi-bin/lxr/source/bios/rombios32.c#L1314 - */ - if (!(acpi_ctx->fadt.boot_arch & IAPC_ARCH_8042)) { - kprintf(KERROR "not found\n"); - // FUTURE: Some alternative fallback on this? Check PCI bus for USB - // controller instead? - return; - } - } else { - kprintf(KWARN "outdated FADT used, assuming exists.\n"); - } + /* FIXME This require systematical rework! */ + // acpi_context* acpi_ctx = acpi_get_context(); + // if (acpi_ctx->fadt.header.rev > 1) { + // /* + // * + // 只有当前ACPI版本大于1时,我们才使用FADT的IAPC_BOOT_ARCH去判断8042是否存在。 + // * 这是一个坑,在ACPI v1中,这个字段是reserved!而这及至ACPI + // v2才出现。 + // * 需要注意:Bochs 和 QEMU 使用的是ACPI v1,而非 v2 + // * (virtualbox好像是v4) + // * + // * (2022/6/29) + // * + // QEMU在7.0.0版本中,修复了FADT::IAPC_BOOT无法正确提供关于i8042的信息的bug + // * https://wiki.qemu.org/ChangeLog/7.0#ACPI_.2F_SMBIOS + // * + // * + // 请看Bochs的bios源码(QEMU的BIOS其实是照抄bochs的,所以也是一个德行。。): + // * + // https://bochs.sourceforge.io/cgi-bin/lxr/source/bios/rombios32.c#L1314 + // */ + // if (!(acpi_ctx->fadt.boot_arch & IAPC_ARCH_8042)) { + // kprintf(KERROR "not found\n"); + // // FUTURE: Some alternative fallback on this? Check PCI bus for + // USB + // // controller instead? + // return; + // } + // } else { + // kprintf(KWARN "outdated FADT used, assuming exists.\n"); + // } char result; @@ -157,7 +163,7 @@ ps2_kbd_init() ps2_post_cmd(PS2_PORT_CTRL_CMDREG, PS2_CMD_PORT2_DISABLE, PS2_NO_ARG); // 2、清空控制器缓冲区 - io_inb(PS2_PORT_ENC_DATA); + port_rdbyte(PS2_PORT_ENC_DATA); // 3、屏蔽所有PS/2设备(端口1&2)IRQ,并且禁用键盘键码转换功能 result = ps2_issue_cmd(PS2_CMD_READ_CFG, PS2_NO_ARG); @@ -298,14 +304,14 @@ intr_ps2_kbd_handler(const isr_param* param) { // This is important! Don't believe me? try comment it out and run on Bochs! - // while (!(io_inb(PS2_PORT_CTRL_STATUS) & PS2_STATUS_OFULL)) + // while (!(port_rdbyte(PS2_PORT_CTRL_STATUS) & PS2_STATUS_OFULL)) // ; // I know you are tempting to move this chunk after the keyboard state // check. But DO NOT. This chunk is in right place and right order. Moving // it at your own risk This is to ensure we've cleared the output buffer // everytime, so it won't pile up across irqs. - u8_t scancode = io_inb(PS2_PORT_ENC_DATA); + u8_t scancode = port_rdbyte(PS2_PORT_ENC_DATA); kbd_keycode_t key; /* @@ -409,10 +415,10 @@ ps2_issue_cmd(char cmd, u16_t arg) // 等待PS/2控制器返回。通过轮询(polling)状态寄存器的 bit 0 // 如置位,则表明返回代码此时就在 0x60 IO口上等待读取。 - while (!(io_inb(PS2_PORT_CTRL_STATUS) & PS2_STATUS_OFULL)) + while (!(port_rdbyte(PS2_PORT_CTRL_STATUS) & PS2_STATUS_OFULL)) ; - return io_inb(PS2_PORT_ENC_CMDREG); + return port_rdbyte(PS2_PORT_ENC_CMDREG); } static u8_t @@ -432,18 +438,18 @@ static void ps2_post_cmd(u8_t port, char cmd, u16_t arg) { // 等待PS/2输入缓冲区清空,这样我们才可以写入命令 - while (io_inb(PS2_PORT_CTRL_STATUS) & PS2_STATUS_IFULL) + while (port_rdbyte(PS2_PORT_CTRL_STATUS) & PS2_STATUS_IFULL) ; - io_outb(port, cmd); - io_delay(PS2_DELAY); + port_wrbyte(port, cmd); + port_delay(PS2_DELAY); if (!(arg & PS2_NO_ARG)) { // 所有参数一律通过0x60传入。 - while (io_inb(PS2_PORT_CTRL_STATUS) & PS2_STATUS_IFULL) + while (port_rdbyte(PS2_PORT_CTRL_STATUS) & PS2_STATUS_IFULL) ; - io_outb(PS2_PORT_ENC_CMDREG, (u8_t)(arg & 0x00ff)); - io_delay(PS2_DELAY); + port_wrbyte(PS2_PORT_ENC_CMDREG, (u8_t)(arg & 0x00ff)); + port_delay(PS2_DELAY); } } @@ -454,8 +460,8 @@ ps2_issue_dev_cmd(char cmd, u16_t arg) // 等待PS/2控制器返回。通过轮询(polling)状态寄存器的 bit 0 // 如置位,则表明返回代码此时就在 0x60 IO口上等待读取。 - while (!(io_inb(PS2_PORT_CTRL_STATUS) & PS2_STATUS_OFULL)) + while (!(port_rdbyte(PS2_PORT_CTRL_STATUS) & PS2_STATUS_OFULL)) ; - return io_inb(PS2_PORT_ENC_CMDREG); + return port_rdbyte(PS2_PORT_ENC_CMDREG); } \ No newline at end of file