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/roms/ipxe/src/arch/x86/core/pit8254.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/roms/ipxe/src/arch/x86/core/pit8254.c')
-rw-r--r-- | qemu/roms/ipxe/src/arch/x86/core/pit8254.c | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/qemu/roms/ipxe/src/arch/x86/core/pit8254.c b/qemu/roms/ipxe/src/arch/x86/core/pit8254.c deleted file mode 100644 index da2099263..000000000 --- a/qemu/roms/ipxe/src/arch/x86/core/pit8254.c +++ /dev/null @@ -1,70 +0,0 @@ -/* - * Copyright (C) 2015 Michael Brown <mbrown@fensystems.co.uk>. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - * You can also choose to distribute this program under the terms of - * the Unmodified Binary Distribution Licence (as given in the file - * COPYING.UBDL), provided that you have satisfied its requirements. - */ - -FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); - -#include <assert.h> -#include <ipxe/io.h> -#include <ipxe/pit8254.h> - -/** @file - * - * 8254 Programmable Interval Timer - * - */ - -/** - * Delay for a fixed number of timer ticks using the speaker channel - * - * @v ticks Number of timer ticks for which to delay - */ -void pit8254_speaker_delay ( unsigned int ticks ) { - uint8_t spkr; - uint8_t cmd; - uint8_t low; - uint8_t high; - - /* Sanity check */ - assert ( ticks <= 0xffff ); - - /* Disable speaker, set speaker channel gate input high */ - spkr = inb ( PIT8254_SPKR ); - spkr &= ~PIT8254_SPKR_ENABLE; - spkr |= PIT8254_SPKR_GATE; - outb ( spkr, PIT8254_SPKR ); - - /* Program speaker channel to "interrupt" on terminal count */ - cmd = ( PIT8254_CMD_CHANNEL ( PIT8254_CH_SPKR ) | - PIT8254_CMD_ACCESS_LOHI | PIT8254_CMD_OP_TERMINAL | - PIT8254_CMD_BINARY ); - low = ( ( ticks >> 0 ) & 0xff ); - high = ( ( ticks >> 8 ) & 0xff ); - outb ( cmd, PIT8254_CMD ); - outb ( low, PIT8254_DATA ( PIT8254_CH_SPKR ) ); - outb ( high, PIT8254_DATA ( PIT8254_CH_SPKR ) ); - - /* Wait for channel to "interrupt" */ - do { - spkr = inb ( PIT8254_SPKR ); - } while ( ! ( spkr & PIT8254_SPKR_OUT ) ); -} |