Subversion Repositories HelenOS

Compare Revisions

Ignore whitespace Rev 2410 → Rev 2411

/branches/arm/kernel/arch/arm32/include/exception.h
125,6 → 125,7
return (istate->spsr & STATUS_REG_MODE_MASK) == USER_MODE;
}
 
 
/** Returns Program Counter member of given istate structure. */
static inline unative_t istate_get_pc(istate_t *istate)
{
/branches/arm/kernel/arch/arm32/include/boot.h
46,8 → 46,10
 
/** Struct holding information about single loaded uspace task. */
typedef struct {
 
/** Address where the task was placed. */
uintptr_t addr;
 
/** Size of the task's binary. */
uint32_t size;
} utask_t;
55,8 → 57,10
 
/** Struct holding information about loaded uspace tasks. */
typedef struct {
 
/** Number of loaded tasks. */
uint32_t cnt;
 
/** Array of loaded tasks. */
utask_t tasks[TASKMAP_MAX_RECORDS];
} bootinfo_t;
/branches/arm/kernel/arch/arm32/include/atomic.h
72,6 → 72,7
*/
static inline void atomic_inc(atomic_t *val) { atomic_add(val, 1); }
 
 
/** Atomic decrement.
*
* @param val Variable to be decremented.
78,6 → 79,7
*/
static inline void atomic_dec(atomic_t *val) { atomic_add(val, -1); }
 
 
/** Atomic pre-increment.
*
* @param val Variable to be incremented.
85,6 → 87,7
*/
static inline long atomic_preinc(atomic_t *val) { return atomic_add(val, 1); }
 
 
/** Atomic pre-decrement.
*
* @param val Variable to be decremented.
92,6 → 95,7
*/
static inline long atomic_predec(atomic_t *val) { return atomic_add(val, -1); }
 
 
/** Atomic post-increment.
*
* @param val Variable to be incremented.
99,6 → 103,7
*/
static inline long atomic_postinc(atomic_t *val) { return atomic_add(val, 1) - 1; }
 
 
/** Atomic post-decrement.
*
* @param val Variable to be decremented.
/branches/arm/kernel/arch/arm32/include/asm.h
47,7 → 47,7
}
 
 
/** Return base address of current stack
/** Return base address of current stack.
*
* Return the base address of the current stack.
* The stack is assumed to be STACK_SIZE bytes long.
/branches/arm/kernel/arch/arm32/include/mm/page.h
107,11 → 107,13
 
/** Level 0 page table entry. */
typedef struct {
 
/* 01b for coarse tables, see below for details */
unsigned descriptor_type : 2;
unsigned impl_specific : 3;
unsigned domain : 4;
unsigned should_be_zero : 1;
 
/* Pointer to the coarse 2nd level page table (holding entries for small (4KB)
* or large (64KB) pages. ARM also supports fine 2nd level page tables that
* may hold even tiny pages (1KB) but they are bigger (4KB per table in comparison
123,10 → 125,12
 
/** Level 1 page table entry (small (4KB) pages used). */
typedef struct {
 
/* 0b10 for small pages */
unsigned descriptor_type : 2;
unsigned bufferable : 1;
unsigned cacheable : 1;
 
/* access permissions for each of 4 subparts of a page
* (for each 1KB when small pages used */
unsigned access_permission_0 : 2;
141,10 → 145,13
 
/** User mode: no access, privileged mode: no access. */
#define PTE_AP_USER_NO_KERNEL_NO 0
 
/** User mode: no access, privileged mode: read/write. */
#define PTE_AP_USER_NO_KERNEL_RW 1
 
/** User mode: read only, privileged mode: read/write. */
#define PTE_AP_USER_RO_KERNEL_RW 2
 
/** User mode: read/write, privileged mode: read/write. */
#define PTE_AP_USER_RW_KERNEL_RW 3
 
153,8 → 160,10
 
/** pte_level0_t and pte_level1_t "not present" flag (used in descriptor_type). */
#define PTE_DESCRIPTOR_NOT_PRESENT 0
 
/** pte_level0_t coarse page table flag (used in descriptor_type). */
#define PTE_DESCRIPTOR_COARSE_TABLE 1
 
/** pte_level1_t small page table flag (used in descriptor type). */
#define PTE_DESCRIPTOR_SMALL_PAGE 2
 
/branches/arm/kernel/arch/arm32/include/cpu.h
42,14 → 42,19
 
/** Struct representing ARM CPU identifiaction. */
typedef struct {
 
/** Implementator (vendor) number. */
uint32_t imp_num;
 
/** Variant number. */
uint32_t variant_num;
 
/** Architecture number. */
uint32_t arch_num;
 
/** Primary part number. */
uint32_t prim_part_num;
 
/** Revision number. */
uint32_t rev_num;
} cpu_arch_t;