116 lines
2.9 KiB
C
116 lines
2.9 KiB
C
#ifndef _E2K_TRACE_DEFS_H_
|
|
#define _E2K_TRACE_DEFS_H_
|
|
|
|
#include <linux/types.h>
|
|
|
|
#include <asm/mmu_types.h>
|
|
#include <asm/pgtable_def.h>
|
|
|
|
static inline void
|
|
trace_get_va_translation(struct mm_struct *mm, e2k_addr_t address,
|
|
pgdval_t *pgd, pudval_t *pud, pmdval_t *pmd, pteval_t *pte, int *pt_level)
|
|
{
|
|
pgd_t *pgdp;
|
|
pud_t *pudp;
|
|
pmd_t *pmdp;
|
|
pte_t *ptep;
|
|
|
|
if (likely(address < TASK_SIZE)) {
|
|
pgdp = pgd_offset(mm, address);
|
|
|
|
*pgd = pgd_val(*pgdp);
|
|
*pt_level = E2K_PGD_LEVEL_NUM;
|
|
|
|
if (!pgd_huge(*pgdp) && !pgd_none(*pgdp) && !pgd_bad(*pgdp)) {
|
|
pudp = pud_offset(pgdp, address);
|
|
|
|
*pud = pud_val(*pudp);
|
|
*pt_level = E2K_PUD_LEVEL_NUM;
|
|
|
|
if (!pud_huge(*pudp) && !pud_none(*pudp) &&
|
|
!pud_bad(*pudp)) {
|
|
pmdp = pmd_offset(pudp, address);
|
|
|
|
*pmd = pmd_val(*pmdp);
|
|
*pt_level = E2K_PMD_LEVEL_NUM;
|
|
|
|
if (!pmd_huge(*pmdp) && !pmd_none(*pmdp) &&
|
|
!pmd_bad(*pmdp)) {
|
|
ptep = pte_offset_map(pmdp, address);
|
|
|
|
*pte = pte_val(*ptep);
|
|
*pt_level = E2K_PTE_LEVEL_NUM;
|
|
}
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
pgdp = pgd_offset_k(address);
|
|
*pgd = pgd_val(*pgdp);
|
|
*pt_level = E2K_PGD_LEVEL_NUM;
|
|
|
|
if (!kernel_pgd_huge(*pgdp) && !pgd_none(*pgdp) && !pgd_bad(*pgdp)) {
|
|
pudp = pud_offset(pgdp, address);
|
|
*pud = pud_val(*pudp);
|
|
*pt_level = E2K_PUD_LEVEL_NUM;
|
|
|
|
if (!kernel_pud_huge(*pudp) && !pud_none(*pudp) &&
|
|
!pud_bad(*pudp)) {
|
|
pmdp = pmd_offset(pudp, address);
|
|
*pmd = pmd_val(*pmdp);
|
|
*pt_level = E2K_PMD_LEVEL_NUM;
|
|
|
|
if (!kernel_pmd_huge(*pmdp) && !pmd_none(*pmdp) &&
|
|
!pmd_bad(*pmdp)) {
|
|
ptep = pte_offset_kernel(pmdp, address);
|
|
*pte = pte_val(*ptep);
|
|
*pt_level = E2K_PTE_LEVEL_NUM;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Save DTLB entries.
|
|
*
|
|
* Do not access not existing entries to avoid
|
|
* creating "empty" records in DTLB for no reason.
|
|
*/
|
|
static inline void
|
|
trace_get_dtlb_translation(struct mm_struct *mm, e2k_addr_t address,
|
|
u64 *dtlb_pgd, u64 *dtlb_pud, u64 *dtlb_pmd, u64 *dtlb_pte, int pt_level)
|
|
{
|
|
*dtlb_pgd = get_MMU_DTLB_ENTRY(address);
|
|
|
|
if (pt_level <= E2K_PUD_LEVEL_NUM)
|
|
*dtlb_pud = get_MMU_DTLB_ENTRY(pud_virt_offset(address));
|
|
|
|
if (pt_level <= E2K_PMD_LEVEL_NUM)
|
|
*dtlb_pmd = get_MMU_DTLB_ENTRY(pmd_virt_offset(address));
|
|
|
|
if (pt_level <= E2K_PTE_LEVEL_NUM)
|
|
*dtlb_pte = get_MMU_DTLB_ENTRY(pte_virt_offset(address));
|
|
}
|
|
|
|
#define mmu_print_pt_flags(entry, print, mmu_pt_v6) \
|
|
(mmu_pt_v6) ? E2K_TRACE_PRINT_PT_V6_FLAGS(entry, print) \
|
|
: \
|
|
E2K_TRACE_PRINT_PT_V2_FLAGS(entry, print)
|
|
#define print_pt_flags(entry, print) \
|
|
mmu_print_pt_flags(entry, print, MMU_IS_PT_V6())
|
|
|
|
#define E2K_TRACE_PRINT_PT_FLAGS(entry, print) print_pt_flags(entry, print)
|
|
|
|
|
|
#define mmu_print_dtlb_entry(entry, mmu_dtlb_v6) \
|
|
((mmu_dtlb_v6) ? E2K_TRACE_PRINT_DTLB_ENTRY_V2(entry) \
|
|
: \
|
|
E2K_TRACE_PRINT_DTLB_ENTRY_V6(entry))
|
|
#define print_dtlb_entry(entry) \
|
|
mmu_print_dtlb_entry(entry, MMU_IS_DTLB_V6())
|
|
|
|
#define E2K_TRACE_PRINT_DTLB(entry) print_dtlb_entry(entry)
|
|
|
|
#endif /* _E2K_TRACE_DEFS_H_ */
|