diff --git a/file_io.h b/file_io.h index 6020fd2..3949f99 100644 --- a/file_io.h +++ b/file_io.h @@ -29,7 +29,8 @@ extern int iFirstEntry; #define SCAN_SET_ITEM 3 // find exact item // options flags -#define SCAN_DIR 1 // include subdirectories +#define SCAN_DIR 1 // include subdirectories +#define SCAN_UMOUNT 2 // include subdirectories void FindStorage(); int getStorage(int from_setting); diff --git a/main.c b/main.c index d07ade9..f63020c 100644 --- a/main.c +++ b/main.c @@ -87,7 +87,6 @@ void core_init() int main(int argc, char *argv[]) { fpga_io_init(); - fpga_core_reset(1); fpga_gpo_write(0); DISKLED_OFF; diff --git a/menu.c b/menu.c index 18bec9a..421a42d 100644 --- a/menu.c +++ b/menu.c @@ -46,6 +46,7 @@ along with this program. If not, see . #include #include "mist_cfg.h" #include "input.h" +#include "x86.h" /*menu states*/ enum MENU @@ -269,7 +270,7 @@ static void SelectFile(char* pFileExt, unsigned char Options, unsigned char Menu iprintf("%s - %s\n", pFileExt, fs_pFileExt); AdjustDirectory(SelectedPath); - if (strncmp(pFileExt, fs_pFileExt, 12) != 0) // check desired file extension + if (strncmp(pFileExt, fs_pFileExt, 12) != 0 || !strlen(SelectedPath)) // check desired file extension { // if different from the current one go to the root directory and init entry buffer SelectedPath[0] = 0; @@ -808,7 +809,11 @@ void HandleUI(void) } // check for 'O'ption strings - if (p && (p[0] == 'O')) { + if (p && (p[0] == 'O')) + { + //option handled by ARM + if (p[1] == 'X') p++; + unsigned long x = getStatus(p, status); // get currently active option @@ -945,15 +950,26 @@ void HandleUI(void) static char ext[13]; substrcpy(ext, p, 1); while (strlen(ext) < 3) strcat(ext, " "); - SelectFile(ext, SCAN_DIR, + SelectFile(ext, SCAN_DIR | ((p[0] == 'S') ? SCAN_UMOUNT : 0), (p[0] == 'F') ? MENU_8BIT_MAIN_FILE_SELECTED : MENU_8BIT_MAIN_IMAGE_SELECTED, MENU_8BIT_MAIN1, 1); } else if (p[0] == 'O') { + int byarm = 0; + if (p[1] == 'X') + { + byarm = 1; + p++; + } + unsigned long status = user_io_8bit_set_status(0, 0); // 0,0 gets status unsigned long x = getStatus(p, status) + 1; + if (byarm && is_x86_core()) + { + if (p[1] == '2') x86_set_fdd_boot(!(x&1)); + } // check if next value available substrcpy(s, p, 2 + x); if (!strlen(s)) x = 0; @@ -966,12 +982,20 @@ void HandleUI(void) { // determine which status bit is affected unsigned long mask = 1 << getIdx(p); - unsigned long status = user_io_8bit_set_status(0, 0); + if (mask == 1 && is_x86_core()) + { + x86_init(); + menustate = MENU_NONE1; + } + else + { + unsigned long status = user_io_8bit_set_status(0, 0); - user_io_8bit_set_status(status ^ mask, mask); - user_io_8bit_set_status(status, mask); + user_io_8bit_set_status(status ^ mask, mask); + user_io_8bit_set_status(status, mask); + menustate = MENU_8BIT_MAIN1; + } - menustate = MENU_8BIT_MAIN1; } } } @@ -990,9 +1014,16 @@ void HandleUI(void) case MENU_8BIT_MAIN_IMAGE_SELECTED: iprintf("Image selected: %s\n", SelectedPath); - user_io_set_index(user_io_ext_idx(SelectedPath, fs_pFileExt) << 6 | (menusub + 1)); - user_io_file_mount(drive_num, SelectedPath); - menustate = MENU_NONE1; + if (is_x86_core()) + { + x86_set_image(drive_num, SelectedPath); + } + else + { + user_io_set_index(user_io_ext_idx(SelectedPath, fs_pFileExt) << 6 | (menusub + 1)); + user_io_file_mount(drive_num, SelectedPath); + } + menustate = SelectedPath[0] ? MENU_NONE1 : MENU_8BIT_MAIN1; break; case MENU_8BIT_SYSTEM1: @@ -1069,6 +1100,7 @@ void HandleUI(void) unsigned long status = user_io_8bit_set_status(0, 0); iprintf("Saving config to %s\n", filename); FileSaveConfig(filename, &status, 4); + if (is_x86_core()) x86_config_save(); menustate = MENU_8BIT_MAIN1; menusub = 0; } @@ -1932,8 +1964,14 @@ void HandleUI(void) if (c == KEY_BACKSPACE) { - changeDir(".."); - menustate = MENU_FILE_SELECT1; + if (fs_Options & SCAN_UMOUNT) + { + for (int i = 0; i < OsdGetSize() - 1; i++) OsdWrite(i, "", 0, 0); + OsdWrite(OsdGetSize() / 2, " Unmounting the image", 0, 0); + usleep(1500000); + SelectedPath[0] = 0; + menustate = fs_MenuSelect; + } } if ((c == KEY_PAGEUP) || (c == KEY_LEFT)) diff --git a/menu.h b/menu.h index 0f2e36b..82ccf09 100644 --- a/menu.h +++ b/menu.h @@ -23,6 +23,8 @@ void ShowSplash(); void HideSplash(); void EjectAllFloppies(); +unsigned long getStatus(char *opt, unsigned long status); + void menu_key_set(uint32_t c); void menu_mod_set(uint32_t m); diff --git a/user_io.c b/user_io.c index 70b76f3..7ec6518 100644 --- a/user_io.c +++ b/user_io.c @@ -180,12 +180,6 @@ static int joy_force = 0; static void parse_config() { - // check if core has a config string - core_type_8bit_with_config_string = (user_io_8bit_get_string(0) != NULL); - - // set core name. This currently only sets a name for the 8 bit cores - user_io_read_core_name(); - joy_force = 0; if (core_type_8bit_with_config_string) { @@ -202,6 +196,19 @@ static void parse_config() input_notify_mode(); set_kbd_led(HID_LED_NUM_LOCK, true); } + + if (p[0] == 'O' && p[1] == 'X') + { + unsigned long status = user_io_8bit_set_status(0, 0); + printf("found OX option: %s, 0x%08X\n", p, status); + + unsigned long x = getStatus(p+1, status); + + if (is_x86_core()) + { + if (p[2] == '2') x86_set_fdd_boot(!(x&1)); + } + } } i++; } while (p); @@ -266,8 +273,11 @@ void user_io_detect_core_type() // forward SD card config to core in case it uses the local // SD card implementation user_io_sd_set_config(); + // check if core has a config string + core_type_8bit_with_config_string = (user_io_8bit_get_string(0) != NULL); - parse_config(); + // set core name. This currently only sets a name for the 8 bit cores + user_io_read_core_name(); // send a reset user_io_8bit_set_status(UIO_STATUS_RESET, UIO_STATUS_RESET); @@ -283,6 +293,7 @@ void user_io_detect_core_type() iprintf("Found config\n"); user_io_8bit_set_status(status, 0xffffffff); } + parse_config(); // check for multipart rom sprintf(mainpath, "%s/boot0.rom", user_io_get_core_name()); @@ -312,6 +323,7 @@ void user_io_detect_core_type() if (is_x86_core()) { + x86_config_load(); x86_init(); } else diff --git a/x86.c b/x86.c index 7b2f232..e3ba0ef 100644 --- a/x86.c +++ b/x86.c @@ -34,6 +34,7 @@ #include "spi.h" #include "user_io.h" #include "file_io.h" +#include "fpga_io.h" #define ALT_CPU_CPU_FREQ 90000000u @@ -46,6 +47,17 @@ #define RTC_BASE 0x8c00 #define SD_BASE 0x0A00 +#define CFG_VER 1 + +typedef struct +{ + uint32_t ver; + char fdd_name[1024]; + char hdd_name[1024]; +} x86_config; + +static x86_config config; + static uint8_t dma_sdio(int status) { uint8_t res; @@ -202,6 +214,7 @@ static bool floppy_is_2_88m= false; static fileTYPE fdd_image = { 0 }; static fileTYPE hdd_image = { 0 }; +static bool boot_from_floppy = 1; #define IMG_TYPE_FDD 0x800 #define IMG_TYPE_HDD 0x000 @@ -213,6 +226,8 @@ static __inline fileTYPE *get_image(uint32_t type) static int img_mount(uint32_t type, char *name) { + FileClose(get_image(type)); + int writable = FileCanWrite(name); int ret = FileOpenEx(get_image(type), name, writable ? (O_RDWR | O_SYNC) : O_RDONLY); if (!ret) @@ -240,8 +255,88 @@ static int img_write(uint32_t type, uint32_t lba, void *buf, uint32_t len) #define IOWR(base, reg, value) dma_set(base+(reg<<2), value) +static int fdd_set(char* filename) +{ + int floppy = img_mount(IMG_TYPE_FDD, filename); + + /* + 0x00.[0]: media present + 0x01.[0]: media writeprotect + 0x02.[7:0]: media cylinders + 0x03.[7:0]: media sectors per track + 0x04.[31:0]: media total sector count + 0x05.[1:0]: media heads + 0x06.[31:0]: media sd base + 0x07.[15:0]: media wait cycles: 200000 us / spt + 0x08.[15:0]: media wait rate 0: 1000 us + 0x09.[15:0]: media wait rate 1: 1666 us + 0x0A.[15:0]: media wait rate 2: 2000 us + 0x0B.[15:0]: media wait rate 3: 500 us + 0x0C.[7:0]: media type: 8'h20 none; 8'h00 old; 8'hC0 720k; 8'h80 1_44M; 8'h40 2_88M + */ + + int floppy_cylinders = (floppy_is_2_88m || floppy_is_1_44m || floppy_is_1_2m || floppy_is_720k) ? 80 : 40; + int floppy_spt = + (floppy_is_160k) ? 8 : + (floppy_is_180k) ? 9 : + (floppy_is_320k) ? 8 : + (floppy_is_360k) ? 9 : + (floppy_is_720k) ? 9 : + (floppy_is_1_2m) ? 15 : + (floppy_is_1_44m) ? 18 : + (floppy_is_2_88m) ? 36 : + 0; + int floppy_total_sectors = + (floppy_is_160k) ? 320 : + (floppy_is_180k) ? 360 : + (floppy_is_320k) ? 640 : + (floppy_is_360k) ? 720 : + (floppy_is_720k) ? 1440 : + (floppy_is_1_2m) ? 2400 : + (floppy_is_1_44m) ? 2880 : + (floppy_is_2_88m) ? 5760 : + 0; + int floppy_heads = (floppy_is_160k || floppy_is_180k) ? 1 : 2; + + int floppy_wait_cycles = 200000000 / floppy_spt; + + int floppy_media = + (!floppy) ? 0x20 : + (floppy_is_160k) ? 0x00 : + (floppy_is_180k) ? 0x00 : + (floppy_is_320k) ? 0x00 : + (floppy_is_360k) ? 0x00 : + (floppy_is_720k) ? 0xC0 : + (floppy_is_1_2m) ? 0x00 : + (floppy_is_1_44m) ? 0x80 : + (floppy_is_2_88m) ? 0x40 : + 0x20; + + IOWR(FLOPPY_BASE, 0x0, floppy ? 1 : 0); + IOWR(FLOPPY_BASE, 0x1, (floppy && (get_image(IMG_TYPE_FDD)->mode & O_RDWR)) ? 0 : 1); + IOWR(FLOPPY_BASE, 0x2, floppy_cylinders); + IOWR(FLOPPY_BASE, 0x3, floppy_spt); + IOWR(FLOPPY_BASE, 0x4, floppy_total_sectors); + IOWR(FLOPPY_BASE, 0x5, floppy_heads); + IOWR(FLOPPY_BASE, 0x6, 0); // base LBA + IOWR(FLOPPY_BASE, 0x7, (int)(floppy_wait_cycles / (1000000000.0 / ALT_CPU_CPU_FREQ))); + IOWR(FLOPPY_BASE, 0x8, (int)(1000000.0 / (1000000000.0 / ALT_CPU_CPU_FREQ))); + IOWR(FLOPPY_BASE, 0x9, (int)(1666666.0 / (1000000000.0 / ALT_CPU_CPU_FREQ))); + IOWR(FLOPPY_BASE, 0xA, (int)(2000000.0 / (1000000000.0 / ALT_CPU_CPU_FREQ))); + IOWR(FLOPPY_BASE, 0xB, (int)(500000.0 / (1000000000.0 / ALT_CPU_CPU_FREQ))); + IOWR(FLOPPY_BASE, 0xC, floppy_media); + + return floppy; +} + void x86_init() { + user_io_8bit_set_status(UIO_STATUS_RESET, UIO_STATUS_RESET); + fpga_core_reset(1); + usleep(10000); + fpga_gpo_write(0); + spi_uio_cmd(0); + IOWR(PC_BUS_BASE, 0, 0x00FFF0EA); IOWR(PC_BUS_BASE, 1, 0x000000F0); @@ -273,75 +368,8 @@ void x86_init() //-------------------------------------------------------------------------- floppy - int floppy = img_mount(IMG_TYPE_FDD, "ao486/floppy.img"); - - /* - 0x00.[0]: media present - 0x01.[0]: media writeprotect - 0x02.[7:0]: media cylinders - 0x03.[7:0]: media sectors per track - 0x04.[31:0]: media total sector count - 0x05.[1:0]: media heads - 0x06.[31:0]: media sd base - 0x07.[15:0]: media wait cycles: 200000 us / spt - 0x08.[15:0]: media wait rate 0: 1000 us - 0x09.[15:0]: media wait rate 1: 1666 us - 0x0A.[15:0]: media wait rate 2: 2000 us - 0x0B.[15:0]: media wait rate 3: 500 us - 0x0C.[7:0]: media type: 8'h20 none; 8'h00 old; 8'hC0 720k; 8'h80 1_44M; 8'h40 2_88M - */ - - int floppy_cylinders = (floppy_is_2_88m || floppy_is_1_44m || floppy_is_1_2m || floppy_is_720k)? 80 : 40; - int floppy_spt = - (floppy_is_160k)? 8 : - (floppy_is_180k)? 9 : - (floppy_is_320k)? 8 : - (floppy_is_360k)? 9 : - (floppy_is_720k)? 9 : - (floppy_is_1_2m)? 15 : - (floppy_is_1_44m)? 18 : - (floppy_is_2_88m)? 36 : - 0; - int floppy_total_sectors = - (floppy_is_160k)? 320 : - (floppy_is_180k)? 360 : - (floppy_is_320k)? 640 : - (floppy_is_360k)? 720 : - (floppy_is_720k)? 1440 : - (floppy_is_1_2m)? 2400 : - (floppy_is_1_44m)? 2880 : - (floppy_is_2_88m)? 5760 : - 0; - int floppy_heads = (floppy_is_160k || floppy_is_180k)? 1 : 2; - - int floppy_wait_cycles = 200000000 / floppy_spt; - - int floppy_media = - (!floppy)? 0x20 : - (floppy_is_160k)? 0x00 : - (floppy_is_180k)? 0x00 : - (floppy_is_320k)? 0x00 : - (floppy_is_360k)? 0x00 : - (floppy_is_720k)? 0xC0 : - (floppy_is_1_2m)? 0x00 : - (floppy_is_1_44m)? 0x80 : - (floppy_is_2_88m)? 0x40 : - 0x20; - - IOWR(FLOPPY_BASE, 0x0, floppy? 1 : 0); - IOWR(FLOPPY_BASE, 0x1, (floppy && (get_image(IMG_TYPE_FDD)->mode & O_RDWR)) ? 0 : 1); - IOWR(FLOPPY_BASE, 0x2, floppy_cylinders); - IOWR(FLOPPY_BASE, 0x3, floppy_spt); - IOWR(FLOPPY_BASE, 0x4, floppy_total_sectors); - IOWR(FLOPPY_BASE, 0x5, floppy_heads); - IOWR(FLOPPY_BASE, 0x6, 0); // base LBA - IOWR(FLOPPY_BASE, 0x7, (int)(floppy_wait_cycles / (1000000000.0 / ALT_CPU_CPU_FREQ))); - IOWR(FLOPPY_BASE, 0x8, (int)(1000000.0 / (1000000000.0 / ALT_CPU_CPU_FREQ))); - IOWR(FLOPPY_BASE, 0x9, (int)(1666666.0 / (1000000000.0 / ALT_CPU_CPU_FREQ))); - IOWR(FLOPPY_BASE, 0xA, (int)(2000000.0 / (1000000000.0 / ALT_CPU_CPU_FREQ))); - IOWR(FLOPPY_BASE, 0xB, (int)(500000.0 / (1000000000.0 / ALT_CPU_CPU_FREQ))); - IOWR(FLOPPY_BASE, 0xC, floppy_media); - + int floppy = fdd_set(config.fdd_name); + //-------------------------------------------------------------------------- hdd unsigned int hd_cylinders = 0; @@ -350,7 +378,7 @@ void x86_init() unsigned int hd_total_sectors = 0; unsigned int hdd_sd_base = 0; - int hdd = img_mount(IMG_TYPE_HDD, "ao486/hdd.vhd"); + int hdd = img_mount(IMG_TYPE_HDD, config.hdd_name); if (hdd) { hd_cylinders = 1024; @@ -478,8 +506,6 @@ void x86_init() //-------------------------------------------------------------------------- rtc - bool boot_from_floppy = floppy; - /* 128.[26:0]: cycles in second 129.[12:0]: cycles in 122.07031 us @@ -590,6 +616,8 @@ void x86_init() cmos[0x2F] = sum & 0xFF; for(unsigned int i=0; i