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Diffstat (limited to 'kernel/old/include/kdefs.h')
| -rw-r--r-- | kernel/old/include/kdefs.h | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/kernel/old/include/kdefs.h b/kernel/old/include/kdefs.h deleted file mode 100644 index 794516b..0000000 --- a/kernel/old/include/kdefs.h +++ /dev/null @@ -1,152 +0,0 @@ -/** -** @file kdefs.h -** -** @author CSCI-452 class of 20245 -** -** @brief Kernel-only declarations. -*/ - -#ifndef KDEFS_H_ -#define KDEFS_H_ - -// debugging macros -#include <debug.h> - -/* -** General (C and/or assembly) definitions -*/ - -// page sizes -#define SZ_PAGE NUM_4KB -#define SZ_BIGPAGE NUM_4MB - -// kernel stack size (bytes) -#define N_KSTKPAGES 1 -#define SZ_KSTACK (N_KSTKPAGES * SZ_PAGE) - -// user stack size -#define N_USTKPAGES 2 -#define SZ_USTACK (N_USTKPAGES * SZ_PAGE) - -// declarations for modulus checking of (e.g.) sizes and addresses - -#define MOD4_BITS 0x00000003 -#define MOD4_MASK 0xfffffffc -#define MOD4_INC 0x00000004 -#define MOD4_SHIFT 2 - -#define MOD16_BITS 0x0000000f -#define MOD16_MASK 0xfffffff0 -#define MOD16_INC 0x00000010 -#define MOD16_SHIFT 4 - -#define MOD1K_BITS 0x000003ff -#define MOD1K_MASK 0xfffffc00 -#define MOD1K_INC 0x00000400 -#define MOD1K_SHIFT 10 - -#define MOD4K_BITS 0x00000fff -#define MOD4K_MASK 0xfffff000 -#define MOD4K_INC 0x00001000 -#define MOD4K_SHIFT 12 - -#define MOD1M_BITS 0x000fffff -#define MOD1M_MASK 0xfff00000 -#define MOD1M_INC 0x00100000 -#define MOD1M_SHIFT 20 - -#define MOD4M_BITS 0x003fffff -#define MOD4M_MASK 0xffc00000 -#define MOD4M_INC 0x00400000 -#define MOD4M_SHIFT 22 - -#define MOD1G_BITS 0x3fffffff -#define MOD1G_MASK 0xc0000000 -#define MOD1G_INC 0x40000000 -#define MOD1G_SHIFT 30 - -#ifndef ASM_SRC - -/* -** Start of C-only definitions -*/ - -// unit conversion macros -#define B_TO_KB(x) (((uint_t)(x))>>10) -#define B_TO_MB(x) (((uint_t)(x))>>20) -#define B_TO_GB(x) (((uint_t)(x))>>30) - -#define KB_TO_B(x) (((uint_t)(x))<<10) -#define KB_TO_MB(x) (((uint_t)(x))>>10) -#define KB_TO_GB(x) (((uint_t)(x))>>20) - -#define MB_TO_B(x) (((uint_t)(x))<<20) -#define MB_TO_KB(x) (((uint_t)(x))<<10) -#define MB_TO_GB(x) (((uint_t)(x))>>10) - -#define GB_TO_B(x) (((uint_t)(x))<<30) -#define GB_TO_KB(x) (((uint_t)(x))<<20) -#define GB_TO_MB(x) (((uint_t)(x))<<10) - -// potetially useful compiler attributes -#define ATTR_ALIGNED(x) __attribute__((__aligned__(x))) -#define ATTR_PACKED __attribute__((__packed__)) -#define ATTR_UNUSED __attribute__((__unused__)) - -/* -** Utility macros -*/ - -// -// macros to clear data structures -// -// these are usable for clearing single-valued data items (e.g., -// a PCB, etc.) -#define CLEAR(v) memclr( &v, sizeof(v) ) -#define CLEAR_PTR(p) memclr( p, sizeof(*p) ) - -// -// macros for access registers and system call arguments -// - -// REG(pcb,x) -- access a specific register in a process context -#define REG(pcb,x) ((pcb)->context->x) - -// RET(pcb) -- access return value register in a process context -#define RET(pcb) ((pcb)->context->eax) - -// ARG(pcb,n) -- access argument #n from the indicated process -// -// ARG(pcb,0) --> return address -// ARG(pcb,1) --> first parameter -// ARG(pcb,2) --> second parameter -// etc. -// -// ASSUMES THE STANDARD 32-BIT ABI, WITH PARAMETERS PUSHED ONTO THE -// STACK. IF THE PARAMETER PASSING MECHANISM CHANGES, SO MUST THIS! -#define ARG(pcb,n) ( ( (uint32_t *) (((pcb)->context) + 1) ) [(n)] ) - -/* -** Types -*/ - -/* -** Globals -*/ - -// general-purpose character buffer -extern char b256[256]; - -// buffer for use by PANIC() macro -extern char b512[512]; - -// kernel stack -extern uint8_t kstack[SZ_KSTACK]; - -/* -** Prototypes -*/ - -#endif /* !ASM_SRC */ - -#endif |