#include <sys/types.h>
#include <unistd.h>
#include <sys/ioctl.h>
-#include <termios.h>
-#include <linux/input.h>
#include "Gayle.h"
#include "ide.h"
#include "m68k.h"
#include "main.h"
-#include "config_file/config_file.h"
+#include "platforms/platforms.h"
+#include "input/input.h"
-int kbhit()
-{
- struct termios term;
- tcgetattr(0, &term);
-
- struct termios term2 = term;
- term2.c_lflag &= ~ICANON;
- tcsetattr(0, TCSANOW, &term2);
-
- int byteswaiting;
- ioctl(0, FIONREAD, &byteswaiting);
-
- tcsetattr(0, TCSANOW, &term);
-
- return byteswaiting > 0;
-}
+#include "platforms/amiga/amiga-registers.h"
//#define BCM2708_PERI_BASE 0x20000000 //pi0-1
//#define BCM2708_PERI_BASE 0xFE000000 //pi4
int kb_hook_enabled = 0;
int mouse_hook_enabled = 0;
+int cpu_emulation_running = 1;
char mouse_dx = 0, mouse_dy = 0;
char mouse_buttons = 0;
#define KICKBASE 0xF80000
#define KICKSIZE 0x7FFFF
-int mem_fd, mouse_fd = -1;
+int mem_fd, mouse_fd = -1, keyboard_fd = -1;
int mem_fd_gpclk;
int gayle_emulation_enabled = 1;
void *gpio_map;
unsigned int cpu_type = M68K_CPU_TYPE_68000;
unsigned int loop_cycles = 300;
struct emulator_config *cfg = NULL;
+char keyboard_file[256] = "/dev/input/event0";
// I/O access
volatile unsigned int *gpio;
//unsigned char g_kick[524288];
//unsigned char g_ram[FASTSIZE + 1]; /* RAM */
unsigned char toggle;
-static volatile unsigned char ovl;
+int ovl;
static volatile unsigned char maprom;
void sigint_handler(int sig_num) {
- printf("\n Exit Ctrl+C %d\n", sig_num);
+ //if (sig_num) { }
+ //cpu_emulation_running = 0;
+
+ //return;
+ printf("Received sigint %d, exiting.\n", sig_num);
if (mouse_fd != -1)
close(mouse_fd);
if (mem_fd)
close(mem_fd);
+
exit(0);
}
cfg = load_config_file(argv[g]);
}
}
+ else if (strcmp(argv[g], "--keyboard-file") == 0 || strcmp(argv[g], "--kbfile") == 0) {
+ if (g + 1 >= argc) {
+ printf("%s switch found, but no keyboard device path specified.\n", argv[g]);
+ } else {
+ g++;
+ strcpy(keyboard_file, argv[g]);
+ }
+ }
}
if (!cfg) {
memset(cfg, 0x00, sizeof(struct emulator_config));
}
}
- else {
+
+ if (cfg) {
if (cfg->cpu_type) cpu_type = cfg->cpu_type;
if (cfg->loop_cycles) loop_cycles = cfg->loop_cycles;
+
+ if (!cfg->platform)
+ cfg->platform = make_platform_config("none", "generic");
+ cfg->platform->platform_initial_setup(cfg);
}
if (cfg->mouse_enabled) {
}
}
+ keyboard_fd = open(keyboard_file, O_RDONLY | O_NONBLOCK);
+ if (keyboard_fd == -1) {
+ printf("Failed to open keyboard event source.\n");
+ }
+
sched_setscheduler(0, SCHED_FIFO, &priority);
mlockall(MCL_CURRENT); // lock in memory to keep us from paging out
write_reg(0x00);
usleep(100);
- // load kick.rom if present
- /*maprom = 1;
- int fd = 0;
- fd = open("kick.rom", O_RDONLY);
- if (fd < 1) {
- printf("Failed loading kick.rom, using motherboard kickstart\n");
- maprom = 0;
- } else {
- int size = (int)lseek(fd, 0, SEEK_END);
- if (size == 0x40000) {
- lseek(fd, 0, SEEK_SET);
- read(fd, &g_kick, size);
- lseek(fd, 0, SEEK_SET);
- read(fd, &g_kick[0x40000], size);
- } else {
- lseek(fd, 0, SEEK_SET);
- read(fd, &g_kick, size);
- }
- printf("Loaded kick.rom with size %d kib\n", size / 1024);
- }*/
-
// reset amiga and statemachine
skip_everything:;
cpu_pulse_reset();
usleep(1500);
m68k_init();
+ printf("Setting CPU type to %d.\n", cpu_type);
m68k_set_cpu_type(cpu_type);
m68k_pulse_reset();
else
printf("\n IPL Thread created successfully\n");
*/
-
- int cpu_emulation_running = 1;
+ char c = 0;
m68k_pulse_reset();
while (42) {
if (cpu_emulation_running)
m68k_execute(loop_cycles);
- while (kbhit()) {
- char c = getchar();
+ // FIXME: Rework this to use keyboard events instead.
+ /*while (get_key_char(&c)) {
if (c == cfg->keyboard_toggle_key && !kb_hook_enabled) {
kb_hook_enabled = 1;
printf("Keyboard hook enabled.\n");
kb_hook_enabled = 0;
printf("Keyboard hook disabled.\n");
}
- if (c == cfg->mouse_toggle_key) {
- mouse_hook_enabled ^= 1;
- printf("Mouse hook %s.\n", mouse_hook_enabled ? "enabled" : "disabled");
- mouse_dx = mouse_dy = mouse_buttons = 0;
- }
- if (c == 'r') {
- cpu_emulation_running ^= 1;
- printf("CPU emulation is now %s\n", cpu_emulation_running ? "running" : "stopped");
+ if (!kb_hook_enabled) {
+ if (c == cfg->mouse_toggle_key) {
+ mouse_hook_enabled ^= 1;
+ printf("Mouse hook %s.\n", mouse_hook_enabled ? "enabled" : "disabled");
+ mouse_dx = mouse_dy = mouse_buttons = 0;
+ }
+ if (c == 'r') {
+ cpu_emulation_running ^= 1;
+ printf("CPU emulation is now %s\n", cpu_emulation_running ? "running" : "stopped");
+ }
+ if (c == 'R') {
+ cpu_pulse_reset();
+ m68k_pulse_reset();
+ printf("CPU emulation reset.\n");
+ }
+ if (c == 'q') {
+ printf("Quitting and exiting emulator.\n");
+ goto stop_cpu_emulation;
+ }
}
- }
+ }*/
/*
if (toggle == 1){
srdata = read_reg();
*/
- if (GET_GPIO(1) == 0){
+ if (GET_GPIO(1) == 0) {
srdata = read_reg();
m68k_set_irq((srdata >> 13) & 0xff);
} else {
- if (CheckIrq() == 1){
+ if (CheckIrq() == 1) {
write16(0xdff09c, 0x8008);
- m68k_set_irq(2);}
+ m68k_set_irq(2);
+ }
else
m68k_set_irq(0);
};
}
+ stop_cpu_emulation:;
+
+ if (mouse_fd != -1)
+ close(mouse_fd);
+ if (mem_fd)
+ close(mem_fd);
+
return 0;
}
static unsigned int target = 0;
-unsigned int m68k_read_memory_8(unsigned int address) {
- if (cfg) {
- int ret = handle_mapped_read(cfg, address, &target, OP_TYPE_BYTE, ovl);
- if (ret != -1)
- return target;
- }
- /*if (address > FASTBASE && address < FASTBASE + FASTSIZE) {
- return g_ram[address - FASTBASE];
- }
-
- if (maprom == 1) {
- if (address > KICKBASE && address < KICKBASE + KICKSIZE) {
- return g_kick[address - KICKBASE];
- }
+#define PLATFORM_CHECK_READ(a) \
+ if (address >= cfg->custom_low && address < cfg->custom_high) { \
+ unsigned int target = 0; \
+ switch(cfg->platform->id) { \
+ case PLATFORM_AMIGA: { \
+ if (custom_read_amiga(cfg, address, &target, a) != -1) { \
+ return target; \
+ } \
+ break; \
+ } \
+ default: \
+ break; \
+ } \
+ } \
+ if (ovl || (address >= cfg->mapped_low && address < cfg->mapped_high)) { \
+ if (handle_mapped_read(cfg, address, &target, a) != -1) \
+ return target; \
}
- if (gayle_emulation_enabled) {
- if (address > GAYLEBASE && address < GAYLEBASE + GAYLESIZE) {
- return readGayleB(address);
- }
- }*/
+unsigned int m68k_read_memory_8(unsigned int address) {
+ PLATFORM_CHECK_READ(OP_TYPE_BYTE);
address &=0xFFFFFF;
// if (address < 0xffffff) {
}
unsigned int m68k_read_memory_16(unsigned int address) {
- if (cfg) {
- int ret = handle_mapped_read(cfg, address, &target, OP_TYPE_WORD, ovl);
- if (ret != -1)
- return target;
- }
+ PLATFORM_CHECK_READ(OP_TYPE_WORD);
if (mouse_hook_enabled) {
if (address == JOY0DAT) {
return (unsigned int)result;
}
}
- /*if (address > FASTBASE && address < FASTBASE + FASTSIZE) {
- return be16toh(*(uint16_t *)&g_ram[address - FASTBASE]);
- }
-
- if (maprom == 1) {
- if (address > KICKBASE && address < KICKBASE + KICKSIZE) {
- return be16toh(*(uint16_t *)&g_kick[address - KICKBASE]);
- }
- }
-
- if (gayle_emulation_enabled) {
- if (address > GAYLEBASE && address < GAYLEBASE + GAYLESIZE) {
- return readGayle(address);
- }
- }*/
// if (address < 0xffffff) {
address &=0xFFFFFF;
}
unsigned int m68k_read_memory_32(unsigned int address) {
- if (cfg) {
- int ret = handle_mapped_read(cfg, address, &target, OP_TYPE_LONGWORD, ovl);
- if (ret != -1)
- return target;
- }
- /*if (address > FASTBASE && address < FASTBASE + FASTSIZE) {
- return be32toh(*(uint32_t *)&g_ram[address - FASTBASE]);
- }
-
- if (maprom == 1) {
- if (address > KICKBASE && address < KICKBASE + KICKSIZE) {
- return be32toh(*(uint32_t *)&g_kick[address - KICKBASE]);
- }
- }
-
- if (gayle_emulation_enabled) {
- if (address > GAYLEBASE && address < GAYLEBASE + GAYLESIZE) {
- return readGayleL(address);
- }
- }*/
+ PLATFORM_CHECK_READ(OP_TYPE_LONGWORD);
// if (address < 0xffffff) {
address &=0xFFFFFF;
// return 1;
}
-void m68k_write_memory_8(unsigned int address, unsigned int value) {
- if (cfg) {
- int ret = handle_mapped_write(cfg, address, value, OP_TYPE_BYTE, ovl);
- if (ret != -1)
- return;
- }
- /*if (address > FASTBASE && address < FASTBASE + FASTSIZE) {
- g_ram[address - FASTBASE] = value;
- return;
+#define PLATFORM_CHECK_WRITE(a) \
+ if (address >= cfg->custom_low && address < cfg->custom_high) { \
+ switch(cfg->platform->id) { \
+ case PLATFORM_AMIGA: { \
+ if (custom_write_amiga(cfg, address, value, a) != -1) { \
+ return; \
+ } \
+ break; \
+ } \
+ default: \
+ break; \
+ } \
+ } \
+ if (address >= cfg->mapped_low && address < cfg->mapped_high) { \
+ if (handle_mapped_write(cfg, address, value, a) != -1) \
+ return; \
}
- if (gayle_emulation_enabled) {
- if (address > GAYLEBASE && address < GAYLEBASE + GAYLESIZE) {
- writeGayleB(address, value);
- return;
- }
- }*/
+void m68k_write_memory_8(unsigned int address, unsigned int value) {
+ PLATFORM_CHECK_WRITE(OP_TYPE_BYTE);
if (address == 0xbfe001) {
ovl = (value & (1 << 0));
}
void m68k_write_memory_16(unsigned int address, unsigned int value) {
- if (cfg) {
- int ret = handle_mapped_write(cfg, address, value, OP_TYPE_WORD, ovl);
- if (ret != -1)
- return;
- }
- /*if (address > FASTBASE && address < FASTBASE + FASTSIZE) {
- *(uint16_t *)&g_ram[address - FASTBASE] = htobe16(value);
- return;
- }
-
- if (gayle_emulation_enabled) {
- if (address > GAYLEBASE && address < GAYLEBASE + GAYLESIZE) {
- writeGayle(address, value);
- return;
- }
- }*/
+ PLATFORM_CHECK_WRITE(OP_TYPE_WORD);
// if (address < 0xffffff) {
address &=0xFFFFFF;
}
void m68k_write_memory_32(unsigned int address, unsigned int value) {
- if (cfg) {
- int ret = handle_mapped_write(cfg, address, value, OP_TYPE_LONGWORD, ovl);
- if (ret != -1)
- return;
- }
- /*if (address > FASTBASE && address < FASTBASE + FASTSIZE) {
- *(uint32_t *)&g_ram[address - FASTBASE] = htobe32(value);
- return;
- }
-
- if (gayle_emulation_enabled) {
- if (address > GAYLEBASE && address < GAYLEBASE + GAYLESIZE) {
- writeGayleL(address, value);
- }
- }*/
+ PLATFORM_CHECK_WRITE(OP_TYPE_LONGWORD);
// if (address < 0xffffff) {
address &=0xFFFFFF;
// return;
}
-void write16(uint32_t address, uint32_t data) {
+inline void write16(uint32_t address, uint32_t data) {
uint32_t addr_h_s = (address & 0x0000ffff) << 8;
uint32_t addr_h_r = (~address & 0x0000ffff) << 8;
uint32_t addr_l_s = (address >> 16) << 8;
// asm volatile ("dmb" ::: "memory");
}
-void write8(uint32_t address, uint32_t data) {
+inline void write8(uint32_t address, uint32_t data) {
if ((address & 1) == 0)
data = data + (data << 8); // EVEN, A0=0,UDS
else
// asm volatile ("dmb" ::: "memory");
}
-uint32_t read16(uint32_t address) {
+inline uint32_t read16(uint32_t address) {
volatile int val;
uint32_t addr_h_s = (address & 0x0000ffff) << 8;
uint32_t addr_h_r = (~address & 0x0000ffff) << 8;
return (val >> 8) & 0xffff;
}
-uint32_t read8(uint32_t address) {
+inline uint32_t read8(uint32_t address) {
int val;
uint32_t addr_h_s = (address & 0x0000ffff) << 8;
uint32_t addr_h_r = (~address & 0x0000ffff) << 8;
gpclk = ((volatile unsigned *)gpio_map) + GPCLK_ADDR / 4;
} // setup_io
-
-int get_mouse_status(char *x, char *y, char *b) {
- struct input_event ie;
- if (read(mouse_fd, &ie, sizeof(struct input_event)) != -1) {
- *b = ((char *)&ie)[0];
- *x = ((char *)&ie)[1];
- *y = ((char *)&ie)[2];
- return 1;
- }
-
- return 0;
-}
projects / pistorm / blobdiff