2 * QEMU ETRAX System Emulator
4 * Copyright (c) 2007 Edgar E. Iglesias, Axis Communications AB.
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
29 #define RW_TR_DMA_EN 0xb0026004
30 #define RW_DOUT 0xb002601c
31 #define RW_STAT_DIN 0xb0026020
32 #define R_STAT_DIN 0xb0026024
34 static uint32_t ser_readb (void *opaque
, target_phys_addr_t addr
)
36 CPUState
*env
= opaque
;
38 printf ("%s %x pc=%x\n", __func__
, addr
, env
->pc
);
41 static uint32_t ser_readw (void *opaque
, target_phys_addr_t addr
)
43 CPUState
*env
= opaque
;
45 printf ("%s %x pc=%x\n", __func__
, addr
, env
->pc
);
49 static uint32_t ser_readl (void *opaque
, target_phys_addr_t addr
)
51 CPUState
*env
= opaque
;
59 r
|= 1 << 24; /* set tr_rdy. */
60 r
|= 1 << 22; /* set tr_idle. */
64 printf ("%s %x p=%x\n", __func__
, addr
, env
->pc
);
71 ser_writeb (void *opaque
, target_phys_addr_t addr
, uint32_t value
)
73 CPUState
*env
= opaque
;
74 printf ("%s %x %x pc=%x\n", __func__
, addr
, value
, env
->pc
);
77 ser_writew (void *opaque
, target_phys_addr_t addr
, uint32_t value
)
79 CPUState
*env
= opaque
;
80 printf ("%s %x %x pc=%x\n", __func__
, addr
, value
, env
->pc
);
83 ser_writel (void *opaque
, target_phys_addr_t addr
, uint32_t value
)
85 CPUState
*env
= opaque
;
92 if (isprint(value
) || isspace(value
))
98 printf ("%s %x %x pc=%x\n",
99 __func__
, addr
, value
, env
->pc
);
104 static CPUReadMemoryFunc
*ser_read
[] = {
110 static CPUWriteMemoryFunc
*ser_write
[] = {
116 void etraxfs_ser_init(CPUState
*env
, qemu_irq
*irqs
)
120 ser_regs
= cpu_register_io_memory(0, ser_read
, ser_write
, env
);
121 cpu_register_physical_memory (0xb0026000, 0x3c, ser_regs
);