diff options
Diffstat (limited to 'hw/timer.c')
-rw-r--r-- | hw/timer.c | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/hw/timer.c b/hw/timer.c deleted file mode 100644 index e393fa36fd..0000000000 --- a/hw/timer.c +++ /dev/null @@ -1,97 +0,0 @@ -/* - * QEMU Sparc timer controller emulation - * - * Copyright (c) 2003-2004 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 "vl.h" - -/* - * Registers of hardware timer in sun4m. - */ -struct sun4m_timer_percpu { - volatile unsigned int l14_timer_limit; /* Initial value is 0x009c4000 */ - volatile unsigned int l14_cur_count; -}; - -struct sun4m_timer_global { - volatile unsigned int l10_timer_limit; - volatile unsigned int l10_cur_count; -}; - -typedef struct TIMERState { - uint32_t addr; - uint32_t timer_regs[2]; - int irq; -} TIMERState; - -static uint32_t timer_mem_readl(void *opaque, target_phys_addr_t addr) -{ - TIMERState *s = opaque; - uint32_t saddr; - - saddr = (addr - s->addr) >> 2; - switch (saddr) { - default: - return s->timer_regs[saddr]; - break; - } - return 0; -} - -static void timer_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t val) -{ - TIMERState *s = opaque; - uint32_t saddr; - - saddr = (addr - s->addr) >> 2; - switch (saddr) { - default: - s->timer_regs[saddr] = val; - break; - } -} - -static CPUReadMemoryFunc *timer_mem_read[3] = { - timer_mem_readl, - timer_mem_readl, - timer_mem_readl, -}; - -static CPUWriteMemoryFunc *timer_mem_write[3] = { - timer_mem_writel, - timer_mem_writel, - timer_mem_writel, -}; - -void timer_init(uint32_t addr, int irq) -{ - int timer_io_memory; - TIMERState *s; - - s = qemu_mallocz(sizeof(TIMERState)); - if (!s) - return; - s->addr = addr; - s->irq = irq; - - timer_io_memory = cpu_register_io_memory(0, timer_mem_read, timer_mem_write, s); - cpu_register_physical_memory(addr, 2, timer_io_memory); -} |