repo2/firmware/linux/linux_memory.c @ 455
| 183 | markw | #include <stdint.h>
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#include <string.h>
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#include "regs.h"
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#include "memory.h"
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#include "linux_memory.h"
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void* SRAM_BASE;
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void* SDRAM_BASE;
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void* atari_regbase;
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void* atari_regmirror;
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| 275 | markw | void* zpu_regbase;
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void* pokey_regbase;
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| 195 | markw | void* CARTRIDGE_MEM;
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| 183 | markw | ||
| 210 | markw | void* FREEZER_RAM_MEM;
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void* FREEZER_ROM_MEM;
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| 183 | markw | #define SRAM_SIZE (512*1024)
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#define SDRAM_SIZE (8*1024*1024)
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#define ATARI_SIZE (64*1024)
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#define CONFIG_SIZE (256)
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| 195 | markw | #define CARTRIDGE_SIZE (2*1024*1024)
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| 210 | markw | #define FREEZER_RAM_SIZE (128*1024)
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#define FREEZER_ROM_SIZE (64*1024)
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| 183 | markw | ||
uint8_t sram_memory[SRAM_SIZE];
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uint32_t sdram_memory[SDRAM_SIZE / 4];
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uint8_t atari_memory[ATARI_SIZE];
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uint8_t atari_mirror_memory[ATARI_SIZE];
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uint32_t config_memory[CONFIG_SIZE/4];
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| 195 | markw | uint32_t cartridge_memory[CARTRIDGE_SIZE / 4];
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| 183 | markw | ||
| 210 | markw | uint32_t freezer_ram_memory[FREEZER_RAM_SIZE / 4];
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uint32_t freezer_rom_memory[FREEZER_ROM_SIZE / 4];
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| 183 | markw | void init_memory(void)
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{
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memset(sram_memory, SRAM_SIZE, 0);
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memset(sdram_memory, SDRAM_SIZE, 0);
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memset(atari_memory, ATARI_SIZE, 0);
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memset(atari_mirror_memory, ATARI_SIZE, 0);
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memset(config_memory, CONFIG_SIZE, 0);
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| 195 | markw | memset(cartridge_memory, CARTRIDGE_SIZE, 0);
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| 210 | markw | memset(freezer_ram_memory, FREEZER_RAM_SIZE, 0);
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memset(freezer_rom_memory, FREEZER_ROM_SIZE, 0);
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| 183 | markw | ||
SRAM_BASE = sram_memory;
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SDRAM_BASE = sdram_memory;
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atari_regbase = atari_memory;
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atari_regmirror = atari_mirror_memory;
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| 275 | markw | zpu_regbase = config_memory;
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pokey_regbase = config_memory+0x100*4;
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| 195 | markw | CARTRIDGE_MEM = cartridge_memory;
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| 210 | markw | FREEZER_RAM_MEM = freezer_ram_memory;
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FREEZER_ROM_MEM = freezer_rom_memory;
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| 183 | markw | ||
// command line is high
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*zpu_sio = 1;
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// no trigger pressed
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*atari_trig0 = 1;
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}
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