1 #ifndef CORE_H 2 #define CORE_H 3 4 #include <klibc/compiler.h> 5 #include <stddef.h> 6 #include <stdlib.h> 7 #include <stdbool.h> 8 #include <inttypes.h> 9 #include <stdio.h> 10 #include <dprintf.h> 11 #include <com32.h> 12 #include <errno.h> 13 #include <syslinux/pmapi.h> 14 #include <syslinux/sysappend.h> 15 #include <kaboom.h> 16 #include <timer.h> 17 18 extern char core_xfer_buf[65536]; 19 extern char core_cache_buf[65536]; 20 extern char trackbuf[]; 21 extern char CurrentDirName[]; 22 extern char SubvolName[]; 23 extern char ConfigName[]; 24 extern char config_cwd[]; 25 extern char cmd_line[]; 26 extern char ConfigFile[]; 27 extern char syslinux_banner[]; 28 extern char copyright_str[]; 29 30 extern const size_t __syslinux_shuffler_size; 31 32 static inline size_t syslinux_shuffler_size(void) 33 { 34 return __syslinux_shuffler_size; 35 } 36 37 /* 38 * Mark symbols that are only used by BIOS as __weak until we can move 39 * all references out of the generic (EFI + BIOS) code and into 40 * BIOS-specific code. 41 */ 42 extern __weak uint16_t BIOSName; 43 extern __weak char KernelName[]; 44 extern __weak char StackBuf[]; 45 46 extern uint8_t KbdMap[256]; 47 48 extern const uint16_t IPAppends[]; 49 extern size_t numIPAppends; 50 51 extern uint16_t SerialPort; 52 extern uint16_t BaudDivisor; 53 extern uint8_t FlowOutput; 54 extern uint8_t FlowInput; 55 extern uint8_t FlowIgnore; 56 57 extern uint8_t ScrollAttribute; 58 extern uint16_t DisplayCon; 59 60 /* diskstart.inc isolinux.asm*/ 61 extern void getlinsec(void); 62 63 /* pm.inc */ 64 void core_pm_null_hook(void); 65 extern void (*core_pm_hook)(void); 66 67 /* getc.inc */ 68 extern void core_open(void); 69 70 /* adv.inc */ 71 extern void adv_init(void); 72 extern void adv_write(void); 73 74 /* hello.c */ 75 extern void myputs(const char*); 76 77 /* idle.c */ 78 extern int (*idle_hook_func)(void); 79 extern void __idle(void); 80 extern void reset_idle(void); 81 82 /* mem/malloc.c, mem/free.c, mem/init.c */ 83 extern void *lmalloc(size_t); 84 extern void *pmapi_lmalloc(size_t); 85 extern void *zalloc(size_t); 86 extern void free(void *); 87 extern void mem_init(void); 88 89 /* sysappend.c */ 90 extern void print_sysappend(void); 91 extern const char *sysappend_strings[SYSAPPEND_MAX]; 92 extern uint32_t SysAppends; 93 extern void sysappend_set_uuid(const uint8_t *uuid); 94 extern void sysappend_set_fs_uuid(void); 95 96 void __cdecl core_intcall(uint8_t, const com32sys_t *, com32sys_t *); 97 void __cdecl core_farcall(uint32_t, const com32sys_t *, com32sys_t *); 98 int __cdecl core_cfarcall(uint32_t, const void *, uint32_t); 99 100 extern const com32sys_t zero_regs; 101 void call16(void (*)(void), const com32sys_t *, com32sys_t *); 102 103 /* 104 * __lowmem is in the low 1 MB; __bss16 in the low 64K 105 */ 106 #ifdef __SYSLINUX_CORE__ /* Not supported in modules */ 107 # define __lowmem __attribute__((nocommon,section(".lowmem"))) 108 # define __bss16 __attribute__((nocommon,section(".bss16"))) 109 #endif 110 111 /* 112 * Helper routine to return a specific set of flags 113 */ 114 static inline void set_flags(com32sys_t *regs, uint32_t flags) 115 { 116 uint32_t eflags; 117 118 eflags = regs->eflags.l; 119 eflags &= ~(EFLAGS_CF|EFLAGS_PF|EFLAGS_AF|EFLAGS_ZF|EFLAGS_SF|EFLAGS_OF); 120 eflags |= flags; 121 regs->eflags.l = eflags; 122 } 123 124 extern int start_ldlinux(int argc, char **argv); 125 extern int create_args_and_load(char *); 126 127 extern void write_serial(char data); 128 extern void writestr(char *str); 129 extern void writechr(char data); 130 extern void crlf(void); 131 extern int pollchar(void); 132 extern char getchar(char *hi); 133 extern uint8_t kbd_shiftflags(void); 134 static inline bool shift_is_held(void) 135 { 136 return !!(kbd_shiftflags() & 0x5d); /* Caps/Scroll/Alt/Shift */ 137 } 138 static inline bool ctrl_is_held(void) 139 { 140 return !!(kbd_shiftflags() & 0x04); /* Only Ctrl */ 141 } 142 143 extern void cleanup_hardware(void); 144 extern void sirq_cleanup(void); 145 extern void adjust_screen(void); 146 147 extern void execute(const char *cmdline, uint32_t type, bool sysappend); 148 extern void load_kernel(const char *cmdline); 149 150 extern void dmi_init(void); 151 152 extern void do_sysappend(char *buf); 153 154 extern void load_env32(com32sys_t *regs); 155 156 #endif /* CORE_H */ 157
