Subversion Repositories HelenOS

Rev

Rev 2015 | Rev 2071 | Go to most recent revision | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 2015 Rev 2048
Line 43... Line 43...
43 
#include <config.h>
 43 
#include <config.h>
44 
 
 44 
 
45 
#ifdef CONFIG_SMP
 45 
#ifdef CONFIG_SMP
46 
/** Entries locked in DTLB of BSP.
 46 
/** Entries locked in DTLB of BSP.
47 
 *
 47 
 *
48 
 * Application processors need to have the same locked entries
 48 
 * Application processors need to have the same locked entries in their DTLBs as
49 
 * in their DTLBs as the bootstrap processor.
 49 
 * the bootstrap processor.
50 
 */
 50 
 */
51 
static struct {
 51 
static struct {
52 
    uintptr_t virt_page;
 52 
    uintptr_t virt_page;
53 
    uintptr_t phys_page;
 53 
    uintptr_t phys_page;
54 
    int pagesize_code;
 54 
    int pagesize_code;
Line 82... Line 82...
82 
    }
 82 
    }
83 
}
 83 
}
84 
 
 84 
 
85 
/** Map memory-mapped device into virtual memory.
 85 
/** Map memory-mapped device into virtual memory.
86 
 *
 86 
 *
87 
 * So far, only DTLB is used to map devices into memory.
 87 
 * So far, only DTLB is used to map devices into memory. Chances are that there
88 
 * Chances are that there will be only a limited amount of
 88 
 * will be only a limited amount of devices that the kernel itself needs to
89 
 * devices that the kernel itself needs to lock in DTLB.
 89 
 * lock in DTLB.
90 
 *
 90 
 *
91 
 * @param physaddr Physical address of the page where the
 91 
 * @param physaddr Physical address of the page where the device is located.
92 
 *         device is located. Must be at least
 - 
 
93 
 *         page-aligned.
 92 
 *  Must be at least page-aligned.
94 
 * @param size Size of the device's registers. Must not
 93 
 * @param size Size of the device's registers. Must not exceed 4M and must
95 
 *         exceed 4M and must include extra space
 - 
 
96 
 *         caused by the alignment.
 94 
 *  include extra space caused by the alignment.
97 
 *
 95 
 *
98 
 * @return Virtual address of the page where the device is
 96 
 * @return Virtual address of the page where the device is mapped.
99 
 *     mapped.
 - 
 
100 
 */
 97 
 */
101 
uintptr_t hw_map(uintptr_t physaddr, size_t size)
 98 
uintptr_t hw_map(uintptr_t physaddr, size_t size)
102 
{
 99 
{
103 
    unsigned int order;
 100 
    unsigned int order;
104 
    int i;
 101 
    int i;