motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-05 00:33:55 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

pit fixes

Browse source 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@781 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-05-03 23:18:25 +00:00
parent f72e8ff4a6
commit ec844b96c0
4 changed files with 175 additions and 88 deletions
Download patch file Download diff file Expand all files Collapse all files

9
hw/pc.c
View file

@ -39,6 +39,7 @@ int speaker_data_on;
int dummy_refresh_clock;
static fdctrl_t *floppy_controller;
static RTCState *rtc_state;
static PITState *pit;
static void ioport80_write(void *opaque, uint32_t addr, uint32_t data)
{
@ -169,15 +170,15 @@ static void cmos_init(int ram_size, int boot_device)
static void speaker_ioport_write(void *opaque, uint32_t addr, uint32_t val)
{
speaker_data_on = (val >> 1) & 1;
pit_set_gate(&pit_channels[2], val & 1);
pit_set_gate(pit, 2, val & 1);
}
static uint32_t speaker_ioport_read(void *opaque, uint32_t addr)
{
int out;
out = pit_get_out(&pit_channels[2], qemu_get_clock(vm_clock));
out = pit_get_out(pit, 2, qemu_get_clock(vm_clock));
dummy_refresh_clock ^= 1;
return (speaker_data_on << 1) | pit_channels[2].gate | (out << 5) |
return (speaker_data_on << 1) | pit_get_gate(pit, 2) | (out << 5) |
(dummy_refresh_clock << 4);
}
@ -381,7 +382,7 @@ void pc_init(int ram_size, int vga_ram_size, int boot_device,
register_ioport_write(0x92, 1, 1, ioport92_write, NULL);
pic_init();
pit_init(0x40, 0);
pit = pit_init(0x40, 0);
fd = serial_open_device();
serial_init(0x3f8, 4, fd);