diff options
author | 2017-04-25 03:31:15 -0700 | |
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committer | 2017-05-22 06:48:08 +0000 | |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/hw/input/pckbd.c | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (diff) |
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/hw/input/pckbd.c')
-rw-r--r-- | qemu/hw/input/pckbd.c | 595 |
1 files changed, 0 insertions, 595 deletions
diff --git a/qemu/hw/input/pckbd.c b/qemu/hw/input/pckbd.c deleted file mode 100644 index 1d932ec19..000000000 --- a/qemu/hw/input/pckbd.c +++ /dev/null @@ -1,595 +0,0 @@ -/* - * QEMU PC keyboard emulation - * - * Copyright (c) 2003 Fabrice Bellard - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#include "qemu/osdep.h" -#include "hw/hw.h" -#include "hw/isa/isa.h" -#include "hw/i386/pc.h" -#include "hw/input/ps2.h" -#include "sysemu/sysemu.h" - -/* debug PC keyboard */ -//#define DEBUG_KBD -#ifdef DEBUG_KBD -#define DPRINTF(fmt, ...) \ - do { printf("KBD: " fmt , ## __VA_ARGS__); } while (0) -#else -#define DPRINTF(fmt, ...) -#endif - -/* Keyboard Controller Commands */ -#define KBD_CCMD_READ_MODE 0x20 /* Read mode bits */ -#define KBD_CCMD_WRITE_MODE 0x60 /* Write mode bits */ -#define KBD_CCMD_GET_VERSION 0xA1 /* Get controller version */ -#define KBD_CCMD_MOUSE_DISABLE 0xA7 /* Disable mouse interface */ -#define KBD_CCMD_MOUSE_ENABLE 0xA8 /* Enable mouse interface */ -#define KBD_CCMD_TEST_MOUSE 0xA9 /* Mouse interface test */ -#define KBD_CCMD_SELF_TEST 0xAA /* Controller self test */ -#define KBD_CCMD_KBD_TEST 0xAB /* Keyboard interface test */ -#define KBD_CCMD_KBD_DISABLE 0xAD /* Keyboard interface disable */ -#define KBD_CCMD_KBD_ENABLE 0xAE /* Keyboard interface enable */ -#define KBD_CCMD_READ_INPORT 0xC0 /* read input port */ -#define KBD_CCMD_READ_OUTPORT 0xD0 /* read output port */ -#define KBD_CCMD_WRITE_OUTPORT 0xD1 /* write output port */ -#define KBD_CCMD_WRITE_OBUF 0xD2 -#define KBD_CCMD_WRITE_AUX_OBUF 0xD3 /* Write to output buffer as if - initiated by the auxiliary device */ -#define KBD_CCMD_WRITE_MOUSE 0xD4 /* Write the following byte to the mouse */ -#define KBD_CCMD_DISABLE_A20 0xDD /* HP vectra only ? */ -#define KBD_CCMD_ENABLE_A20 0xDF /* HP vectra only ? */ -#define KBD_CCMD_PULSE_BITS_3_0 0xF0 /* Pulse bits 3-0 of the output port P2. */ -#define KBD_CCMD_RESET 0xFE /* Pulse bit 0 of the output port P2 = CPU reset. */ -#define KBD_CCMD_NO_OP 0xFF /* Pulse no bits of the output port P2. */ - -/* Keyboard Commands */ -#define KBD_CMD_SET_LEDS 0xED /* Set keyboard leds */ -#define KBD_CMD_ECHO 0xEE -#define KBD_CMD_GET_ID 0xF2 /* get keyboard ID */ -#define KBD_CMD_SET_RATE 0xF3 /* Set typematic rate */ -#define KBD_CMD_ENABLE 0xF4 /* Enable scanning */ -#define KBD_CMD_RESET_DISABLE 0xF5 /* reset and disable scanning */ -#define KBD_CMD_RESET_ENABLE 0xF6 /* reset and enable scanning */ -#define KBD_CMD_RESET 0xFF /* Reset */ - -/* Keyboard Replies */ -#define KBD_REPLY_POR 0xAA /* Power on reset */ -#define KBD_REPLY_ACK 0xFA /* Command ACK */ -#define KBD_REPLY_RESEND 0xFE /* Command NACK, send the cmd again */ - -/* Status Register Bits */ -#define KBD_STAT_OBF 0x01 /* Keyboard output buffer full */ -#define KBD_STAT_IBF 0x02 /* Keyboard input buffer full */ -#define KBD_STAT_SELFTEST 0x04 /* Self test successful */ -#define KBD_STAT_CMD 0x08 /* Last write was a command write (0=data) */ -#define KBD_STAT_UNLOCKED 0x10 /* Zero if keyboard locked */ -#define KBD_STAT_MOUSE_OBF 0x20 /* Mouse output buffer full */ -#define KBD_STAT_GTO 0x40 /* General receive/xmit timeout */ -#define KBD_STAT_PERR 0x80 /* Parity error */ - -/* Controller Mode Register Bits */ -#define KBD_MODE_KBD_INT 0x01 /* Keyboard data generate IRQ1 */ -#define KBD_MODE_MOUSE_INT 0x02 /* Mouse data generate IRQ12 */ -#define KBD_MODE_SYS 0x04 /* The system flag (?) */ -#define KBD_MODE_NO_KEYLOCK 0x08 /* The keylock doesn't affect the keyboard if set */ -#define KBD_MODE_DISABLE_KBD 0x10 /* Disable keyboard interface */ -#define KBD_MODE_DISABLE_MOUSE 0x20 /* Disable mouse interface */ -#define KBD_MODE_KCC 0x40 /* Scan code conversion to PC format */ -#define KBD_MODE_RFU 0x80 - -/* Output Port Bits */ -#define KBD_OUT_RESET 0x01 /* 1=normal mode, 0=reset */ -#define KBD_OUT_A20 0x02 /* x86 only */ -#define KBD_OUT_OBF 0x10 /* Keyboard output buffer full */ -#define KBD_OUT_MOUSE_OBF 0x20 /* Mouse output buffer full */ - -/* OSes typically write 0xdd/0xdf to turn the A20 line off and on. - * We make the default value of the outport include these four bits, - * so that the subsection is rarely necessary. - */ -#define KBD_OUT_ONES 0xcc - -/* Mouse Commands */ -#define AUX_SET_SCALE11 0xE6 /* Set 1:1 scaling */ -#define AUX_SET_SCALE21 0xE7 /* Set 2:1 scaling */ -#define AUX_SET_RES 0xE8 /* Set resolution */ -#define AUX_GET_SCALE 0xE9 /* Get scaling factor */ -#define AUX_SET_STREAM 0xEA /* Set stream mode */ -#define AUX_POLL 0xEB /* Poll */ -#define AUX_RESET_WRAP 0xEC /* Reset wrap mode */ -#define AUX_SET_WRAP 0xEE /* Set wrap mode */ -#define AUX_SET_REMOTE 0xF0 /* Set remote mode */ -#define AUX_GET_TYPE 0xF2 /* Get type */ -#define AUX_SET_SAMPLE 0xF3 /* Set sample rate */ -#define AUX_ENABLE_DEV 0xF4 /* Enable aux device */ -#define AUX_DISABLE_DEV 0xF5 /* Disable aux device */ -#define AUX_SET_DEFAULT 0xF6 -#define AUX_RESET 0xFF /* Reset aux device */ -#define AUX_ACK 0xFA /* Command byte ACK. */ - -#define MOUSE_STATUS_REMOTE 0x40 -#define MOUSE_STATUS_ENABLED 0x20 -#define MOUSE_STATUS_SCALE21 0x10 - -#define KBD_PENDING_KBD 1 -#define KBD_PENDING_AUX 2 - -typedef struct KBDState { - uint8_t write_cmd; /* if non zero, write data to port 60 is expected */ - uint8_t status; - uint8_t mode; - uint8_t outport; - bool outport_present; - /* Bitmask of devices with data available. */ - uint8_t pending; - void *kbd; - void *mouse; - - qemu_irq irq_kbd; - qemu_irq irq_mouse; - qemu_irq *a20_out; - hwaddr mask; -} KBDState; - -/* update irq and KBD_STAT_[MOUSE_]OBF */ -/* XXX: not generating the irqs if KBD_MODE_DISABLE_KBD is set may be - incorrect, but it avoids having to simulate exact delays */ -static void kbd_update_irq(KBDState *s) -{ - int irq_kbd_level, irq_mouse_level; - - irq_kbd_level = 0; - irq_mouse_level = 0; - s->status &= ~(KBD_STAT_OBF | KBD_STAT_MOUSE_OBF); - s->outport &= ~(KBD_OUT_OBF | KBD_OUT_MOUSE_OBF); - if (s->pending) { - s->status |= KBD_STAT_OBF; - s->outport |= KBD_OUT_OBF; - /* kbd data takes priority over aux data. */ - if (s->pending == KBD_PENDING_AUX) { - s->status |= KBD_STAT_MOUSE_OBF; - s->outport |= KBD_OUT_MOUSE_OBF; - if (s->mode & KBD_MODE_MOUSE_INT) - irq_mouse_level = 1; - } else { - if ((s->mode & KBD_MODE_KBD_INT) && - !(s->mode & KBD_MODE_DISABLE_KBD)) - irq_kbd_level = 1; - } - } - qemu_set_irq(s->irq_kbd, irq_kbd_level); - qemu_set_irq(s->irq_mouse, irq_mouse_level); -} - -static void kbd_update_kbd_irq(void *opaque, int level) -{ - KBDState *s = (KBDState *)opaque; - - if (level) - s->pending |= KBD_PENDING_KBD; - else - s->pending &= ~KBD_PENDING_KBD; - kbd_update_irq(s); -} - -static void kbd_update_aux_irq(void *opaque, int level) -{ - KBDState *s = (KBDState *)opaque; - - if (level) - s->pending |= KBD_PENDING_AUX; - else - s->pending &= ~KBD_PENDING_AUX; - kbd_update_irq(s); -} - -static uint64_t kbd_read_status(void *opaque, hwaddr addr, - unsigned size) -{ - KBDState *s = opaque; - int val; - val = s->status; - DPRINTF("kbd: read status=0x%02x\n", val); - return val; -} - -static void kbd_queue(KBDState *s, int b, int aux) -{ - if (aux) - ps2_queue(s->mouse, b); - else - ps2_queue(s->kbd, b); -} - -static void outport_write(KBDState *s, uint32_t val) -{ - DPRINTF("kbd: write outport=0x%02x\n", val); - s->outport = val; - if (s->a20_out) { - qemu_set_irq(*s->a20_out, (val >> 1) & 1); - } - if (!(val & 1)) { - qemu_system_reset_request(); - } -} - -static void kbd_write_command(void *opaque, hwaddr addr, - uint64_t val, unsigned size) -{ - KBDState *s = opaque; - - DPRINTF("kbd: write cmd=0x%02" PRIx64 "\n", val); - - /* Bits 3-0 of the output port P2 of the keyboard controller may be pulsed - * low for approximately 6 micro seconds. Bits 3-0 of the KBD_CCMD_PULSE - * command specify the output port bits to be pulsed. - * 0: Bit should be pulsed. 1: Bit should not be modified. - * The only useful version of this command is pulsing bit 0, - * which does a CPU reset. - */ - if((val & KBD_CCMD_PULSE_BITS_3_0) == KBD_CCMD_PULSE_BITS_3_0) { - if(!(val & 1)) - val = KBD_CCMD_RESET; - else - val = KBD_CCMD_NO_OP; - } - - switch(val) { - case KBD_CCMD_READ_MODE: - kbd_queue(s, s->mode, 0); - break; - case KBD_CCMD_WRITE_MODE: - case KBD_CCMD_WRITE_OBUF: - case KBD_CCMD_WRITE_AUX_OBUF: - case KBD_CCMD_WRITE_MOUSE: - case KBD_CCMD_WRITE_OUTPORT: - s->write_cmd = val; - break; - case KBD_CCMD_MOUSE_DISABLE: - s->mode |= KBD_MODE_DISABLE_MOUSE; - break; - case KBD_CCMD_MOUSE_ENABLE: - s->mode &= ~KBD_MODE_DISABLE_MOUSE; - break; - case KBD_CCMD_TEST_MOUSE: - kbd_queue(s, 0x00, 0); - break; - case KBD_CCMD_SELF_TEST: - s->status |= KBD_STAT_SELFTEST; - kbd_queue(s, 0x55, 0); - break; - case KBD_CCMD_KBD_TEST: - kbd_queue(s, 0x00, 0); - break; - case KBD_CCMD_KBD_DISABLE: - s->mode |= KBD_MODE_DISABLE_KBD; - kbd_update_irq(s); - break; - case KBD_CCMD_KBD_ENABLE: - s->mode &= ~KBD_MODE_DISABLE_KBD; - kbd_update_irq(s); - break; - case KBD_CCMD_READ_INPORT: - kbd_queue(s, 0x80, 0); - break; - case KBD_CCMD_READ_OUTPORT: - kbd_queue(s, s->outport, 0); - break; - case KBD_CCMD_ENABLE_A20: - if (s->a20_out) { - qemu_irq_raise(*s->a20_out); - } - s->outport |= KBD_OUT_A20; - break; - case KBD_CCMD_DISABLE_A20: - if (s->a20_out) { - qemu_irq_lower(*s->a20_out); - } - s->outport &= ~KBD_OUT_A20; - break; - case KBD_CCMD_RESET: - qemu_system_reset_request(); - break; - case KBD_CCMD_NO_OP: - /* ignore that */ - break; - default: - fprintf(stderr, "qemu: unsupported keyboard cmd=0x%02x\n", (int)val); - break; - } -} - -static uint64_t kbd_read_data(void *opaque, hwaddr addr, - unsigned size) -{ - KBDState *s = opaque; - uint32_t val; - - if (s->pending == KBD_PENDING_AUX) - val = ps2_read_data(s->mouse); - else - val = ps2_read_data(s->kbd); - - DPRINTF("kbd: read data=0x%02x\n", val); - return val; -} - -static void kbd_write_data(void *opaque, hwaddr addr, - uint64_t val, unsigned size) -{ - KBDState *s = opaque; - - DPRINTF("kbd: write data=0x%02" PRIx64 "\n", val); - - switch(s->write_cmd) { - case 0: - ps2_write_keyboard(s->kbd, val); - break; - case KBD_CCMD_WRITE_MODE: - s->mode = val; - ps2_keyboard_set_translation(s->kbd, (s->mode & KBD_MODE_KCC) != 0); - /* ??? */ - kbd_update_irq(s); - break; - case KBD_CCMD_WRITE_OBUF: - kbd_queue(s, val, 0); - break; - case KBD_CCMD_WRITE_AUX_OBUF: - kbd_queue(s, val, 1); - break; - case KBD_CCMD_WRITE_OUTPORT: - outport_write(s, val); - break; - case KBD_CCMD_WRITE_MOUSE: - ps2_write_mouse(s->mouse, val); - break; - default: - break; - } - s->write_cmd = 0; -} - -static void kbd_reset(void *opaque) -{ - KBDState *s = opaque; - - s->mode = KBD_MODE_KBD_INT | KBD_MODE_MOUSE_INT; - s->status = KBD_STAT_CMD | KBD_STAT_UNLOCKED; - s->outport = KBD_OUT_RESET | KBD_OUT_A20 | KBD_OUT_ONES; - s->outport_present = false; -} - -static uint8_t kbd_outport_default(KBDState *s) -{ - return KBD_OUT_RESET | KBD_OUT_A20 | KBD_OUT_ONES - | (s->status & KBD_STAT_OBF ? KBD_OUT_OBF : 0) - | (s->status & KBD_STAT_MOUSE_OBF ? KBD_OUT_MOUSE_OBF : 0); -} - -static int kbd_outport_post_load(void *opaque, int version_id) -{ - KBDState *s = opaque; - s->outport_present = true; - return 0; -} - -static bool kbd_outport_needed(void *opaque) -{ - KBDState *s = opaque; - return s->outport != kbd_outport_default(s); -} - -static const VMStateDescription vmstate_kbd_outport = { - .name = "pckbd_outport", - .version_id = 1, - .minimum_version_id = 1, - .post_load = kbd_outport_post_load, - .needed = kbd_outport_needed, - .fields = (VMStateField[]) { - VMSTATE_UINT8(outport, KBDState), - VMSTATE_END_OF_LIST() - } -}; - -static int kbd_post_load(void *opaque, int version_id) -{ - KBDState *s = opaque; - if (!s->outport_present) { - s->outport = kbd_outport_default(s); - } - s->outport_present = false; - return 0; -} - -static const VMStateDescription vmstate_kbd = { - .name = "pckbd", - .version_id = 3, - .minimum_version_id = 3, - .post_load = kbd_post_load, - .fields = (VMStateField[]) { - VMSTATE_UINT8(write_cmd, KBDState), - VMSTATE_UINT8(status, KBDState), - VMSTATE_UINT8(mode, KBDState), - VMSTATE_UINT8(pending, KBDState), - VMSTATE_END_OF_LIST() - }, - .subsections = (const VMStateDescription*[]) { - &vmstate_kbd_outport, - NULL - } -}; - -/* Memory mapped interface */ -static uint32_t kbd_mm_readb (void *opaque, hwaddr addr) -{ - KBDState *s = opaque; - - if (addr & s->mask) - return kbd_read_status(s, 0, 1) & 0xff; - else - return kbd_read_data(s, 0, 1) & 0xff; -} - -static void kbd_mm_writeb (void *opaque, hwaddr addr, uint32_t value) -{ - KBDState *s = opaque; - - if (addr & s->mask) - kbd_write_command(s, 0, value & 0xff, 1); - else - kbd_write_data(s, 0, value & 0xff, 1); -} - -static const MemoryRegionOps i8042_mmio_ops = { - .endianness = DEVICE_NATIVE_ENDIAN, - .old_mmio = { - .read = { kbd_mm_readb, kbd_mm_readb, kbd_mm_readb }, - .write = { kbd_mm_writeb, kbd_mm_writeb, kbd_mm_writeb }, - }, -}; - -void i8042_mm_init(qemu_irq kbd_irq, qemu_irq mouse_irq, - MemoryRegion *region, ram_addr_t size, - hwaddr mask) -{ - KBDState *s = g_malloc0(sizeof(KBDState)); - - s->irq_kbd = kbd_irq; - s->irq_mouse = mouse_irq; - s->mask = mask; - - vmstate_register(NULL, 0, &vmstate_kbd, s); - - memory_region_init_io(region, NULL, &i8042_mmio_ops, s, "i8042", size); - - s->kbd = ps2_kbd_init(kbd_update_kbd_irq, s); - s->mouse = ps2_mouse_init(kbd_update_aux_irq, s); - qemu_register_reset(kbd_reset, s); -} - -#define TYPE_I8042 "i8042" -#define I8042(obj) OBJECT_CHECK(ISAKBDState, (obj), TYPE_I8042) - -typedef struct ISAKBDState { - ISADevice parent_obj; - - KBDState kbd; - MemoryRegion io[2]; -} ISAKBDState; - -void i8042_isa_mouse_fake_event(void *opaque) -{ - ISADevice *dev = opaque; - ISAKBDState *isa = I8042(dev); - KBDState *s = &isa->kbd; - - ps2_mouse_fake_event(s->mouse); -} - -void i8042_setup_a20_line(ISADevice *dev, qemu_irq *a20_out) -{ - ISAKBDState *isa = I8042(dev); - KBDState *s = &isa->kbd; - - s->a20_out = a20_out; -} - -static const VMStateDescription vmstate_kbd_isa = { - .name = "pckbd", - .version_id = 3, - .minimum_version_id = 3, - .fields = (VMStateField[]) { - VMSTATE_STRUCT(kbd, ISAKBDState, 0, vmstate_kbd, KBDState), - VMSTATE_END_OF_LIST() - } -}; - -static const MemoryRegionOps i8042_data_ops = { - .read = kbd_read_data, - .write = kbd_write_data, - .impl = { - .min_access_size = 1, - .max_access_size = 1, - }, - .endianness = DEVICE_LITTLE_ENDIAN, -}; - -static const MemoryRegionOps i8042_cmd_ops = { - .read = kbd_read_status, - .write = kbd_write_command, - .impl = { - .min_access_size = 1, - .max_access_size = 1, - }, - .endianness = DEVICE_LITTLE_ENDIAN, -}; - -static void i8042_initfn(Object *obj) -{ - ISAKBDState *isa_s = I8042(obj); - KBDState *s = &isa_s->kbd; - - memory_region_init_io(isa_s->io + 0, obj, &i8042_data_ops, s, - "i8042-data", 1); - memory_region_init_io(isa_s->io + 1, obj, &i8042_cmd_ops, s, - "i8042-cmd", 1); -} - -static void i8042_realizefn(DeviceState *dev, Error **errp) -{ - ISADevice *isadev = ISA_DEVICE(dev); - ISAKBDState *isa_s = I8042(dev); - KBDState *s = &isa_s->kbd; - - isa_init_irq(isadev, &s->irq_kbd, 1); - isa_init_irq(isadev, &s->irq_mouse, 12); - - isa_register_ioport(isadev, isa_s->io + 0, 0x60); - isa_register_ioport(isadev, isa_s->io + 1, 0x64); - - s->kbd = ps2_kbd_init(kbd_update_kbd_irq, s); - s->mouse = ps2_mouse_init(kbd_update_aux_irq, s); - qemu_register_reset(kbd_reset, s); -} - -static void i8042_class_initfn(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - - dc->realize = i8042_realizefn; - dc->vmsd = &vmstate_kbd_isa; -} - -static const TypeInfo i8042_info = { - .name = TYPE_I8042, - .parent = TYPE_ISA_DEVICE, - .instance_size = sizeof(ISAKBDState), - .instance_init = i8042_initfn, - .class_init = i8042_class_initfn, -}; - -static void i8042_register_types(void) -{ - type_register_static(&i8042_info); -} - -type_init(i8042_register_types) |