memory_mapper.c File Reference

#include "xemu/emutools.h"
#include "memory_mapper.h"
#include "mega65.h"
#include "io_mapper.h"
#include "xemu/cpu65.h"
#include "hypervisor.h"
#include "vic4.h"
#include "dma65.h"
#include "ethernet65.h"
#include "audio65.h"
#include "sdcard.h"
#include <string.h>
#include "cpu_custom_functions.h"

Include dependency graph for memory_mapper.c:

Go to the source code of this file.

Data Structures
struct	m65_memory_map_st

Macros
#define	ALLOW_CPU_CUSTOM_FUNCTIONS_INCLUDE
#define	chip_ram   (main_ram + 0)
#define	fast_ram   (main_ram + 0x20000)
#define	extra_ram   (main_ram + 0x40000)
#define	MEM_SLOT_C64_8KROM_A000   0x200
#define	MEM_SLOT_C64_4KROM_D000   0x220
#define	MEM_SLOT_OLD_4K_IO_D000   0x230
#define	MEM_SLOT_C64_8KROM_E000   0x240
#define	MEM_SLOT_C65_8KROM_8000   0x260
#define	MEM_SLOT_C65_8KROM_A000   0x280
#define	MEM_SLOT_C65_8KROM_E000   0x2A0
#define	MEM_SLOT_C65_4KROM_C000   0x2C0
#define	MEM_SLOT_DMA_RD_SRC   0x2D0
#define	MEM_SLOT_DMA_WR_SRC   0x2D1
#define	MEM_SLOT_DMA_RD_DST   0x2D2
#define	MEM_SLOT_DMA_WR_DST   0x2D3
#define	MEM_SLOT_DMA_RD_LST   0x2D4
#define	MEM_SLOT_CPU_32BIT   0x2D5
#define	MEM_SLOT_DEBUG_RESOLVER   0x2D6
#define	MEM_SLOTS   0x2D7
#define	VIC3_ROM_MASK_8000   0x08
#define	VIC3_ROM_MASK_A000   0x10
#define	VIC3_ROM_MASK_C000   0x20
#define	VIC3_ROM_MASK_E000   0x80
#define	MAP_MARKER_DUMMY_OFFSET   0x2000
#define	DEFINE_READER(name)   static Uint8 name ( MEMORY_HANDLERS_ADDR_TYPE )
#define	DEFINE_WRITER(name)   static void name ( MEMORY_HANDLERS_ADDR_TYPE, Uint8 data )
#define	MEM_TABLE_COPY(to, from, pages)

Functions
	DEFINE_READER (zero_physical_page_reader)
	DEFINE_WRITER (zero_physical_page_writer)
	DEFINE_READER (opl3_reader)
	DEFINE_WRITER (opl3_writer)
	DEFINE_READER (chip_ram_from_page1_reader)
	DEFINE_WRITER (chip_ram_from_page1_writer)
	DEFINE_READER (fast_ram_reader)
	DEFINE_WRITER (fast_ram_writer)
	DEFINE_READER (extra_ram_reader)
	DEFINE_WRITER (extra_ram_writer)
	DEFINE_READER (colour_ram_reader)
	DEFINE_WRITER (colour_ram_writer)
	DEFINE_READER (dummy_reader)
	DEFINE_WRITER (dummy_writer)
	DEFINE_READER (hypervisor_ram_reader)
	DEFINE_WRITER (hypervisor_ram_writer)
	DEFINE_WRITER (char_wom_writer)
	DEFINE_READER (slow_ram_reader)
	DEFINE_WRITER (slow_ram_writer)
	DEFINE_READER (invalid_mem_reader)
	DEFINE_WRITER (invalid_mem_writer)
	DEFINE_READER (fatal_mem_reader)
	DEFINE_WRITER (fatal_mem_writer)
	DEFINE_READER (unreferenced_mem_reader)
	DEFINE_WRITER (unreferenced_mem_writer)
	DEFINE_READER (m65_io_reader)
	DEFINE_WRITER (m65_io_writer)
	DEFINE_READER (legacy_io_reader)
	DEFINE_WRITER (legacy_io_writer)
	DEFINE_READER (eth_buffer_reader)
	DEFINE_WRITER (eth_buffer_writer)
	DEFINE_READER (disk_buffers_reader)
	DEFINE_WRITER (disk_buffers_writer)
	DEFINE_READER (i2c_io_reader)
	DEFINE_WRITER (i2c_io_writer)
void	memory_init (void)
void	memory_set_vic3_rom_mapping (Uint8 value)
void	memory_set_cpu_io_port (int addr, Uint8 value)
void	memory_set_cpu_io_port_ddr_and_data (Uint8 p0, Uint8 p1)
Uint8	memory_get_cpu_io_port (int addr)
void	memory_set_do_map (void)
void	cpu65_do_aug_callback (void)
void	cpu65_do_nop_callback (void)
Uint8	cpu65_read_linear_opcode_callback (void)
void	cpu65_write_linear_opcode_callback (Uint8 data)
Uint32	cpu65_read_linear_long_opcode_callback (const Uint8 index)
void	cpu65_write_linear_long_opcode_callback (const Uint8 index, Uint32 data)
Uint8	memory_dma_source_mreader (int addr)
void	memory_dma_source_mwriter (int addr, Uint8 data)
Uint8	memory_dma_target_mreader (int addr)
void	memory_dma_target_mwriter (int addr, Uint8 data)
Uint8	memory_dma_list_reader (int addr)
Uint8	memory_debug_read_phys_addr (int addr)
void	memory_debug_write_phys_addr (int addr, Uint8 data)
int	memory_cpurd2linear_xlat (Uint16 cpu_addr)
Uint8	memory_debug_read_cpu_addr (Uint16 addr)
void	memory_debug_write_cpu_addr (Uint16 addr, Uint8 data)

Variables
Uint8	main_ram [512<< 10]
Uint8	colour_ram [0x8000]
Uint8	char_wom [0x2000]
Uint8	hypervisor_ram [0x4000]
Uint8	nvram [64]
Uint8	mega65_uuid [8]
Uint8	rtc_regs [6]
Uint8	slow_ram [SLOW_RAM_SIZE]
int	cpu_rmw_old_data
int	map_mask
int	map_offset_low
int	map_offset_high
int	map_megabyte_low
int	map_megabyte_high
int	rom_protect
int	skip_unhandled_mem = 0

Macro Definition Documentation

ALLOW_CPU_CUSTOM_FUNCTIONS_INCLUDE

#define ALLOW_CPU_CUSTOM_FUNCTIONS_INCLUDE

Definition at line 40 of file memory_mapper.c.

chip_ram

#define chip_ram   (main_ram + 0)

Definition at line 50 of file memory_mapper.c.

DEFINE_READER

#define DEFINE_READER

(

name

)

static Uint8 name ( MEMORY_HANDLERS_ADDR_TYPE )

Definition at line 148 of file memory_mapper.c.

DEFINE_WRITER

#define DEFINE_WRITER

(

name

)

static void name ( MEMORY_HANDLERS_ADDR_TYPE, Uint8 data )

Definition at line 149 of file memory_mapper.c.

extra_ram

#define extra_ram   (main_ram + 0x40000)

Definition at line 52 of file memory_mapper.c.

fast_ram

#define fast_ram   (main_ram + 0x20000)

Definition at line 51 of file memory_mapper.c.

MAP_MARKER_DUMMY_OFFSET

#define MAP_MARKER_DUMMY_OFFSET   0x2000

Definition at line 114 of file memory_mapper.c.

MEM_SLOT_C64_4KROM_D000

#define MEM_SLOT_C64_4KROM_D000   0x220

Definition at line 93 of file memory_mapper.c.

MEM_SLOT_C64_8KROM_A000

#define MEM_SLOT_C64_8KROM_A000   0x200

Definition at line 92 of file memory_mapper.c.

MEM_SLOT_C64_8KROM_E000

#define MEM_SLOT_C64_8KROM_E000   0x240

Definition at line 95 of file memory_mapper.c.

MEM_SLOT_C65_4KROM_C000

#define MEM_SLOT_C65_4KROM_C000   0x2C0

Definition at line 99 of file memory_mapper.c.

MEM_SLOT_C65_8KROM_8000

#define MEM_SLOT_C65_8KROM_8000   0x260

Definition at line 96 of file memory_mapper.c.

MEM_SLOT_C65_8KROM_A000

#define MEM_SLOT_C65_8KROM_A000   0x280

Definition at line 97 of file memory_mapper.c.

MEM_SLOT_C65_8KROM_E000

#define MEM_SLOT_C65_8KROM_E000   0x2A0

Definition at line 98 of file memory_mapper.c.

MEM_SLOT_CPU_32BIT

#define MEM_SLOT_CPU_32BIT   0x2D5

Definition at line 105 of file memory_mapper.c.

MEM_SLOT_DEBUG_RESOLVER

#define MEM_SLOT_DEBUG_RESOLVER   0x2D6

Definition at line 106 of file memory_mapper.c.

MEM_SLOT_DMA_RD_DST

#define MEM_SLOT_DMA_RD_DST   0x2D2

Definition at line 102 of file memory_mapper.c.

MEM_SLOT_DMA_RD_LST

#define MEM_SLOT_DMA_RD_LST   0x2D4

Definition at line 104 of file memory_mapper.c.

MEM_SLOT_DMA_RD_SRC

#define MEM_SLOT_DMA_RD_SRC   0x2D0

Definition at line 100 of file memory_mapper.c.

MEM_SLOT_DMA_WR_DST

#define MEM_SLOT_DMA_WR_DST   0x2D3

Definition at line 103 of file memory_mapper.c.

MEM_SLOT_DMA_WR_SRC

#define MEM_SLOT_DMA_WR_SRC   0x2D1

Definition at line 101 of file memory_mapper.c.

MEM_SLOT_OLD_4K_IO_D000

#define MEM_SLOT_OLD_4K_IO_D000   0x230

Definition at line 94 of file memory_mapper.c.

MEM_SLOTS

#define MEM_SLOTS   0x2D7

Definition at line 107 of file memory_mapper.c.

MEM_TABLE_COPY

#define MEM_TABLE_COPY	(		to,
			from,
			pages
	)

Value:

        do { \
        memcpy(mem_page_rd_o + (to), mem_page_rd_o + (from), sizeof(int) * (pages)); \
        memcpy(mem_page_wr_o + (to), mem_page_wr_o + (from), sizeof(int) * (pages)); \
        memcpy(mem_page_rd_f + (to), mem_page_rd_f + (from), sizeof(mem_page_rd_f_type) * (pages)); \
        memcpy(mem_page_wr_f + (to), mem_page_wr_f + (from), sizeof(mem_page_wr_f_type) * (pages)); \
        memcpy(mem_page_refp + (to), mem_page_refp + (from), sizeof(const struct m65_memory_map_st*) * (pages)); \
        memcpy(mem_page_phys + (to), mem_page_phys + (from), sizeof(int) * (pages)); \
} while (0)

Definition at line 439 of file memory_mapper.c.

VIC3_ROM_MASK_8000

#define VIC3_ROM_MASK_8000   0x08

Definition at line 109 of file memory_mapper.c.

VIC3_ROM_MASK_A000

#define VIC3_ROM_MASK_A000   0x10

Definition at line 110 of file memory_mapper.c.

VIC3_ROM_MASK_C000

#define VIC3_ROM_MASK_C000   0x20

Definition at line 111 of file memory_mapper.c.

VIC3_ROM_MASK_E000

#define VIC3_ROM_MASK_E000   0x80

Definition at line 112 of file memory_mapper.c.

Function Documentation

cpu65_do_aug_callback()

void cpu65_do_aug_callback

(

void

)

Definition at line 795 of file memory_mapper.c.

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cpu65_do_nop_callback()

void cpu65_do_nop_callback

(

void

)

Definition at line 839 of file memory_mapper.c.

cpu65_read_linear_long_opcode_callback()

Uint32 cpu65_read_linear_long_opcode_callback

(

const Uint8

index

)

Definition at line 885 of file memory_mapper.c.

cpu65_read_linear_opcode_callback()

Uint8 cpu65_read_linear_opcode_callback

(

void

)

Definition at line 869 of file memory_mapper.c.

cpu65_write_linear_long_opcode_callback()

void cpu65_write_linear_long_opcode_callback	(	const Uint8	index,
		Uint32	data
	)

Definition at line 898 of file memory_mapper.c.

cpu65_write_linear_opcode_callback()

void cpu65_write_linear_opcode_callback

(

Uint8

data

)

Definition at line 876 of file memory_mapper.c.

DEFINE_READER() [1/17]

DEFINE_READER

(

chip_ram_from_page1_reader

)

Definition at line 167 of file memory_mapper.c.

DEFINE_READER() [2/17]

DEFINE_READER

(

colour_ram_reader

)

Definition at line 186 of file memory_mapper.c.

DEFINE_READER() [3/17]

DEFINE_READER

(

disk_buffers_reader

)

Definition at line 282 of file memory_mapper.c.

DEFINE_READER() [4/17]

DEFINE_READER

(

dummy_reader

)

Definition at line 194 of file memory_mapper.c.

DEFINE_READER() [5/17]

DEFINE_READER

(

eth_buffer_reader

)

Definition at line 276 of file memory_mapper.c.

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DEFINE_READER() [6/17]

DEFINE_READER

(

extra_ram_reader

)

Definition at line 180 of file memory_mapper.c.

DEFINE_READER() [7/17]

DEFINE_READER

(

fast_ram_reader

)

Definition at line 173 of file memory_mapper.c.

DEFINE_READER() [8/17]

DEFINE_READER

(

fatal_mem_reader

)

Definition at line 252 of file memory_mapper.c.

DEFINE_READER() [9/17]

DEFINE_READER

(

hypervisor_ram_reader

)

Definition at line 199 of file memory_mapper.c.

DEFINE_READER() [10/17]

DEFINE_READER

(

i2c_io_reader

)

Definition at line 296 of file memory_mapper.c.

DEFINE_READER() [11/17]

DEFINE_READER

(

invalid_mem_reader

)

Definition at line 215 of file memory_mapper.c.

DEFINE_READER() [12/17]

DEFINE_READER

(

legacy_io_reader

)

Definition at line 270 of file memory_mapper.c.

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DEFINE_READER() [13/17]

DEFINE_READER

(

m65_io_reader

)

Definition at line 264 of file memory_mapper.c.

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DEFINE_READER() [14/17]

DEFINE_READER

(

opl3_reader

)

Definition at line 161 of file memory_mapper.c.

DEFINE_READER() [15/17]

DEFINE_READER

(

slow_ram_reader

)

Definition at line 209 of file memory_mapper.c.

DEFINE_READER() [16/17]

DEFINE_READER

(

unreferenced_mem_reader

)

Definition at line 258 of file memory_mapper.c.

DEFINE_READER() [17/17]

DEFINE_READER

(

zero_physical_page_reader

)

Definition at line 151 of file memory_mapper.c.

DEFINE_WRITER() [1/18]

DEFINE_WRITER

(

char_wom_writer

)

Definition at line 206 of file memory_mapper.c.

DEFINE_WRITER() [2/18]

DEFINE_WRITER

(

chip_ram_from_page1_writer

)

Definition at line 170 of file memory_mapper.c.

DEFINE_WRITER() [3/18]

DEFINE_WRITER

(

colour_ram_writer

)

Definition at line 189 of file memory_mapper.c.

DEFINE_WRITER() [4/18]

DEFINE_WRITER

(

disk_buffers_writer

)

Definition at line 289 of file memory_mapper.c.

DEFINE_WRITER() [5/18]

DEFINE_WRITER

(

dummy_writer

)

Definition at line 197 of file memory_mapper.c.

DEFINE_WRITER() [6/18]

DEFINE_WRITER

(

eth_buffer_writer

)

Definition at line 279 of file memory_mapper.c.

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DEFINE_WRITER() [7/18]

DEFINE_WRITER

(

extra_ram_writer

)

Definition at line 183 of file memory_mapper.c.

DEFINE_WRITER() [8/18]

DEFINE_WRITER

(

fast_ram_writer

)

Definition at line 176 of file memory_mapper.c.

DEFINE_WRITER() [9/18]

DEFINE_WRITER

(

fatal_mem_writer

)

Definition at line 255 of file memory_mapper.c.

DEFINE_WRITER() [10/18]

DEFINE_WRITER

(

hypervisor_ram_writer

)

Definition at line 202 of file memory_mapper.c.

DEFINE_WRITER() [11/18]

DEFINE_WRITER

(

i2c_io_writer

)

Definition at line 325 of file memory_mapper.c.

DEFINE_WRITER() [12/18]

DEFINE_WRITER

(

invalid_mem_writer

)

Definition at line 234 of file memory_mapper.c.

DEFINE_WRITER() [13/18]

DEFINE_WRITER

(

legacy_io_writer

)

Definition at line 273 of file memory_mapper.c.

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DEFINE_WRITER() [14/18]

DEFINE_WRITER

(

m65_io_writer

)

Definition at line 267 of file memory_mapper.c.

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DEFINE_WRITER() [15/18]

DEFINE_WRITER

(

opl3_writer

)

Definition at line 164 of file memory_mapper.c.

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DEFINE_WRITER() [16/18]

DEFINE_WRITER

(

slow_ram_writer

)

Definition at line 212 of file memory_mapper.c.

DEFINE_WRITER() [17/18]

DEFINE_WRITER

(

unreferenced_mem_writer

)

Definition at line 261 of file memory_mapper.c.

DEFINE_WRITER() [18/18]

DEFINE_WRITER

(

zero_physical_page_writer

)

Definition at line 154 of file memory_mapper.c.

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memory_cpurd2linear_xlat()

int memory_cpurd2linear_xlat

(

Uint16

cpu_addr

)

Definition at line 966 of file memory_mapper.c.

memory_debug_read_cpu_addr()

Uint8 memory_debug_read_cpu_addr

(

Uint16

addr

)

Definition at line 973 of file memory_mapper.c.

memory_debug_read_phys_addr()

Uint8 memory_debug_read_phys_addr

(

int

addr

)

Definition at line 954 of file memory_mapper.c.

memory_debug_write_cpu_addr()

void memory_debug_write_cpu_addr	(	Uint16	addr,
		Uint8	data
	)

Definition at line 978 of file memory_mapper.c.

memory_debug_write_phys_addr()

void memory_debug_write_phys_addr	(	int	addr,
		Uint8	data
	)

Definition at line 960 of file memory_mapper.c.

memory_dma_list_reader()

Uint8 memory_dma_list_reader

(

int

addr

)

Definition at line 947 of file memory_mapper.c.

memory_dma_source_mreader()

Uint8 memory_dma_source_mreader

(

int

addr

)

Definition at line 923 of file memory_mapper.c.

memory_dma_source_mwriter()

void memory_dma_source_mwriter	(	int	addr,
		Uint8	data
	)

Definition at line 929 of file memory_mapper.c.

memory_dma_target_mreader()

Uint8 memory_dma_target_mreader

(

int

addr

)

Definition at line 935 of file memory_mapper.c.

memory_dma_target_mwriter()

void memory_dma_target_mwriter	(	int	addr,
		Uint8	data
	)

Definition at line 941 of file memory_mapper.c.

memory_get_cpu_io_port()

Uint8 memory_get_cpu_io_port

(

int

addr

)

Definition at line 763 of file memory_mapper.c.

memory_init()

void memory_init

(

void

)

Definition at line 479 of file memory_mapper.c.

memory_set_cpu_io_port()

void memory_set_cpu_io_port	(	int	addr,
		Uint8	value
	)

Definition at line 737 of file memory_mapper.c.

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memory_set_cpu_io_port_ddr_and_data()

void memory_set_cpu_io_port_ddr_and_data	(	Uint8	p0,
		Uint8	p1
	)

Definition at line 755 of file memory_mapper.c.

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memory_set_do_map()

void memory_set_do_map

(

void

)

Definition at line 774 of file memory_mapper.c.

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memory_set_vic3_rom_mapping()

void memory_set_vic3_rom_mapping

(

Uint8

value

)

Definition at line 689 of file memory_mapper.c.

Variable Documentation

char_wom

Uint8 char_wom[0x2000]

Definition at line 67 of file memory_mapper.c.

colour_ram

Uint8 colour_ram[0x8000]

Definition at line 65 of file memory_mapper.c.

cpu_rmw_old_data

int cpu_rmw_old_data

Definition at line 123 of file memory_mapper.c.

hypervisor_ram

Uint8 hypervisor_ram[0x4000]

Definition at line 69 of file memory_mapper.c.

main_ram

Uint8 main_ram[512<< 10]

Definition at line 47 of file memory_mapper.c.

map_mask

int map_mask

Definition at line 142 of file memory_mapper.c.

map_megabyte_high

int map_megabyte_high

Definition at line 142 of file memory_mapper.c.

map_megabyte_low

int map_megabyte_low

Definition at line 142 of file memory_mapper.c.

map_offset_high

int map_offset_high

Definition at line 142 of file memory_mapper.c.

map_offset_low

int map_offset_low

Definition at line 142 of file memory_mapper.c.

mega65_uuid

Uint8 mega65_uuid[8]

Definition at line 73 of file memory_mapper.c.

nvram

Uint8 nvram[64]

Definition at line 71 of file memory_mapper.c.

rom_protect

int rom_protect

Definition at line 144 of file memory_mapper.c.

rtc_regs

Uint8 rtc_regs[6]

Definition at line 75 of file memory_mapper.c.

skip_unhandled_mem

int skip_unhandled_mem = 0

Definition at line 145 of file memory_mapper.c.

slow_ram

Uint8 slow_ram[SLOW_RAM_SIZE]

Definition at line 77 of file memory_mapper.c.