machdep.c (db27818234e734a9042648471c36a507c6c80bdc) machdep.c (4d1dd74a5017583ecbf3aa1bc8a92d30fe3fd6f5)
1/*-
2 * Copyright (c) 2014 Andrew Turner
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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105
106struct kva_md_info kmi;
107
108int64_t dcache_line_size; /* The minimum D cache line size */
109int64_t icache_line_size; /* The minimum I cache line size */
110int64_t idcache_line_size; /* The minimum cache line size */
111int64_t dczva_line_size; /* The size of cache line the dc zva zeroes */
112
1/*-
2 * Copyright (c) 2014 Andrew Turner
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 96 unchanged lines hidden (view full) ---

105
106struct kva_md_info kmi;
107
108int64_t dcache_line_size; /* The minimum D cache line size */
109int64_t icache_line_size; /* The minimum I cache line size */
110int64_t idcache_line_size; /* The minimum cache line size */
111int64_t dczva_line_size; /* The size of cache line the dc zva zeroes */
112
113/* pagezero_* implementations are provided in support.S */
114void pagezero_simple(void *);
115void pagezero_cache(void *);
116
117/* pagezero_simple is default pagezero */
118void (*pagezero)(void *p) = pagezero_simple;
119
113static void
114cpu_startup(void *dummy)
115{
116
117 identify_cpu();
118
119 vm_ksubmap_init(&kmi);
120 bufinit();

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812
813 /* Check if dc zva is not prohibited */
814 if (dczid_el0 & DCZID_DZP)
815 dczva_line_size = 0;
816 else {
817 /* Same as with above calculations */
818 dczva_line_shift = DCZID_BS_SIZE(dczid_el0);
819 dczva_line_size = sizeof(int) << dczva_line_shift;
120static void
121cpu_startup(void *dummy)
122{
123
124 identify_cpu();
125
126 vm_ksubmap_init(&kmi);
127 bufinit();

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819
820 /* Check if dc zva is not prohibited */
821 if (dczid_el0 & DCZID_DZP)
822 dczva_line_size = 0;
823 else {
824 /* Same as with above calculations */
825 dczva_line_shift = DCZID_BS_SIZE(dczid_el0);
826 dczva_line_size = sizeof(int) << dczva_line_shift;
827
828 /* Change pagezero function */
829 pagezero = pagezero_cache;
820 }
821}
822
823void
824initarm(struct arm64_bootparams *abp)
825{
826 struct efi_map_header *efihdr;
827 struct pcpu *pcpup;

--- 192 unchanged lines hidden --- 		830 }
831}
832
833void
834initarm(struct arm64_bootparams *abp)
835{
836 struct efi_map_header *efihdr;
837 struct pcpu *pcpup;

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