mirror of
https://github.com/CTCaer/hekate
synced 2024-12-22 11:21:23 +00:00
9e41aa7759
- Allow ASID to be configured - Allow 34-bit PAs - Use special type for setting PDE/PTE config - Initialize all pages as non accessible - Add function for mapping 4MB regions directly - Add SMMU heap reset function - Correct address load OP to 32-bit and remove alignment on SMMU enable payload - Refactor all defines
71 lines
1.8 KiB
C
71 lines
1.8 KiB
C
/*
|
|
* Copyright (c) 2018 naehrwert
|
|
* Copyright (c) 2018-2024 CTCaer
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <assert.h>
|
|
|
|
#include <utils/types.h>
|
|
|
|
#define MC_SMMU_AVPC_ASID 0x23C
|
|
#define MC_SMMU_TSEC_ASID 0x294
|
|
|
|
#define SMMU_NS BIT(0)
|
|
#define SMMU_WRITE BIT(1)
|
|
#define SMMU_READ BIT(2)
|
|
#define SMMU_ATTR_ALL (SMMU_READ | SMMU_WRITE | SMMU_NS)
|
|
|
|
typedef struct _pde_t {
|
|
union {
|
|
union {
|
|
struct {
|
|
u32 table:22;
|
|
u32 rsvd:6;
|
|
u32 next:1;
|
|
u32 attr:3;
|
|
} tbl;
|
|
|
|
struct {
|
|
u32 rsvd_:10;
|
|
u32 page:12;
|
|
u32 rsvd:6;
|
|
u32 next:1;
|
|
u32 attr:3;
|
|
} huge;
|
|
};
|
|
|
|
u32 pde;
|
|
};
|
|
} pde_t;
|
|
|
|
typedef struct _pte_t {
|
|
u32 page:22;
|
|
u32 rsvd:7;
|
|
u32 attr:3;
|
|
} pte_t;
|
|
|
|
static_assert(sizeof(pde_t) == sizeof(u32), "pde_t size is wrong!");
|
|
static_assert(sizeof(pte_t) == sizeof(u32), "pte_t size is wrong!");
|
|
|
|
void *smmu_page_zalloc(u32 num);
|
|
void smmu_flush_all();
|
|
void smmu_init();
|
|
void smmu_enable();
|
|
void smmu_reset_heap();
|
|
void *smmu_init_domain(u32 dev_base, u32 asid);
|
|
void smmu_deinit_domain(u32 dev_base, u32 asid);
|
|
void smmu_domain_bypass(u32 dev_base, bool bypass);
|
|
void smmu_map(void *ptb, u32 iova, u64 iopa, u32 pages, u32 attr);
|
|
void smmu_map_huge(void *ptb, u32 iova, u64 iopa, u32 regions, u32 attr);
|