Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / sgabios / sgabios.h

diff --git a/qemu/roms/sgabios/sgabios.h b/qemu/roms/sgabios/sgabios.h
new file mode 100644 (file)
index 0000000..51e829c
--- /dev/null
+++ b/qemu/roms/sgabios/sgabios.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2010 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* don't allocate ebda if new value at 0x40e will be less than this */
+#define EBDA_MIN_SEG           0x9800
+#define SGABIOS_EBDA_KB                1
+/* note: no testing has yet been done logging other than 256 bytes */
+#define SGABIOS_EBDA_BYTES     (SGABIOS_EBDA_KB*1024)
+#define SGABIOS_EBDA_DELTA     (SGABIOS_EBDA_BYTES/16)
+#define SGABIOS_EBDA_LOG_START 256
+#define SGABIOS_EBDA_LOG_SIZE  256
+#define SGABIOS_EBDA_POS_START (SGABIOS_EBDA_LOG_START+SGABIOS_EBDA_LOG_SIZE)
+#define SGABIOS_EBDA_POS_LAST  (SGABIOS_EBDA_POS_START+(SGABIOS_EBDA_LOG_SIZE*2)-2)
+
+/* serial costants that may require modification */
+#define COM_BASE_ADDR           0x3f8
+#define PORT_SPEED             115200
+#define LCR_VALUE              0x13    /* 8n1 */
+
+/* serial constants below shouldn't require modification */
+#define IER_OFFSET              0x01
+#define FCR_OFFSET              0x02
+#define LCR_OFFSET              0x03
+#define MCR_OFFSET              0x04
+#define LSR_OFFSET              0x05
+#define MSR_OFFSET              0x06
+#define SCR_OFFSET              0x07
+#define LCR_DLAB               0x80
+#define MCR_DTRRTS             0x03
+#define FCR_FIFO_ENABLE                0x01
+#define PORT_DIVISOR           115200
+#define TRANSMIT_READY_BIT      0x20
+#define BIOS_BUILD_VERSION     "$Id: sgabios.S 7 2009-11-13 00:21:26Z smiles@google.com $"
+
+#define KBD_HEAD               0x1a
+#define KBD_TAIL               0x1c
+#define KBD_BUF_START          0x1e
+#define KBD_BUF_END            0x3e
+
+#define VGA_IO_BASE            0x3d4
+#define BDA_SEG                        0x40
+#define BDA_EBDA               0x0e
+#define BDA_MEM_SIZE           0x13
+#define BDA_MODE_NUM           0x49
+#define BDA_COLS               0x4a
+#define BDA_PAGE_SIZE          0x4c
+/* BDA word 40:0c traditionally holds the LPT3 io port address... */
+/* Reuse it for tracking where the serial console cursor was left */
+/* Don't send ansi cursor pos update without text ready to output */
+/* Some operations don't update cursor position, but next int 10h */
+/* call is often one that might update to where cursor already is */
+#define BDA_SERIAL_POS         0x0c
+#define BDA_CURSOR_BUF         0x50
+#define BDA_CURSOR_COL         0x50
+#define BDA_CURSOR_ROW         0x51
+#define BDA_CURSOR_SCAN                0x60
+#define BDA_ACTIVE_PAGE                0x62
+#define BDA_6845_ADDR          0x63
+#define BDA_MODE_SEL           0x65
+#define BDA_COLOR_VAL          0x66
+#define BDA_ROM_OFF            0x67
+#define BDA_ROM_SEG            0x69
+#define BDA_ROWS               0x84