| 26,7 → 26,7 |
|---|
| #include <ll/i386/mb-info.h> |
| #include <ll/i386/x-bios.h> |
| |
| FILE(X - Info); |
| FILE(X-Info); |
| |
| /* |
| The x_bios is stored in the low memory area and contains all the |
| 34,10 → 34,9 |
|---|
| using a linear pointer, which is returned by the following call! |
| */ |
| |
| X_CALLBIOS *x_bios_address(void) |
| X_CALLBIOS * x_bios_address(void) |
| { |
| X_CALLBIOS *a = |
| (X_CALLBIOS *) GDT_read(X_CALLBIOS_SEL, NULL, NULL, NULL); |
| X_CALLBIOS *a = (X_CALLBIOS *)GDT_read(X_CALLBIOS_SEL,NULL,NULL,NULL); |
| return (a); |
| } |
| |
| 46,30 → 45,32 |
|---|
| WORD X_version(void) |
| { |
| X_CALLBIOS *x_bios = x_bios_address(); |
| return (x_bios->ver); |
| return(x_bios->ver); |
| } |
| |
| void X_meminfo(LIN_ADDR * b1, DWORD * s1, LIN_ADDR * b2, DWORD * s2) |
| void X_meminfo(LIN_ADDR *b1,DWORD *s1,LIN_ADDR *b2,DWORD *s2) |
| { |
| struct multiboot_info *mbi = mbi_address(); |
| if (mbi->flags & MB_INFO_USEGDT) { |
| if (b1 != NULL) |
| *b1 = (LIN_ADDR) mbi->mem_upbase; |
| if (s1 != NULL) |
| *s1 = mbi->mem_upper * 1024; |
| if (b2 != NULL) |
| *b2 = (LIN_ADDR) mbi->mem_lowbase; |
| if (s2 != NULL) |
| *s2 = mbi->mem_lower * 1024; |
| int x = 0; |
| |
| if (mbi->flags & MB_INFO_BOOT_LOADER_NAME) { |
| char *name; |
| |
| name = (char *) mbi->boot_loader_name; |
| if (*name == 'X') { |
| x = 1; |
| } |
| } |
| if (x) { |
| if (b1 != NULL) *b1 = (LIN_ADDR)mbi->mem_upbase; |
| if (s1 != NULL) *s1 = mbi->mem_upper * 1024; |
| if (b2 != NULL) *b2 = (LIN_ADDR)mbi->mem_lowbase; |
| if (s2 != NULL) *s2 = mbi->mem_lower * 1024; |
| } else { |
| if (b1 != NULL) |
| *b1 = (LIN_ADDR) 0x100000; |
| if (s1 != NULL) |
| *s1 = mbi->mem_upper * 1024; |
| if (b2 != NULL) |
| *b2 = (LIN_ADDR) 0x4000; |
| if (s2 != NULL) |
| *s2 = mbi->mem_lower * 1024; |
| if (b1 != NULL) *b1 = (LIN_ADDR)0x100000; |
| if (s1 != NULL) *s1 = mbi->mem_upper * 1024; |
| if (b2 != NULL) *b2 = (LIN_ADDR)0x4000; |
| if (s2 != NULL) *s2 = mbi->mem_lower * 1024; |
| } |
| /* |
| #ifdef __OLD_MB__ |
| 91,12 → 92,11 |
|---|
| /* Alert if a wrong addressing is intercepted */ |
| /* Used only for debug purposes */ |
| |
| void check_addr(void *addr, char *caller) |
| void check_addr(void *addr,char *caller) |
| { |
| extern DWORD _stktop; |
| if ((DWORD) (addr) < _stktop) { |
| cprintf("CRISIS! Addr : %lx(%lx) Caller was %s\n", (DWORD) (addr), |
| _stktop, caller); |
| if ((DWORD)(addr) < _stktop) { |
| cprintf("CRISIS! Addr : %lx(%lx) Caller was %s\n",(DWORD)(addr),_stktop,caller); |
| } |
| } |
| #endif |