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44 lines
992 B
C
44 lines
992 B
C
#ifndef EXOSPHERE_MC_H
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#define EXOSPHERE_MC_H
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#include <stdint.h>
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#include "memory_map.h"
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/* Exosphere driver for the Tegra X1 Memory Controller. */
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static inline uintptr_t get_mc_base(void) {
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return MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_MC);
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}
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#define MC_BASE (get_mc_base())
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#define CARVEOUT_ID_MIN 1
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#define CARVEOUT_ID_MAX 5
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#define KERNEL_CARVEOUT_SIZE_MAX 0x1FFE0000
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typedef struct {
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uint32_t allowed_clients;
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uint32_t paddr_low;
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uint32_t paddr_high;
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uint32_t size_big_pages;
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uint32_t flags_0;
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uint32_t flags_1;
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uint32_t flags_2;
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uint32_t flags_3;
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uint32_t flags_4;
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uint32_t flags_5;
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uint32_t flags_6;
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uint32_t flags_7;
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uint32_t flags_8;
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uint32_t flags_9;
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uint8_t padding[0x28];
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} security_carveout_t;
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volatile security_carveout_t *get_carveout_by_id(unsigned int carveout);
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void configure_default_carveouts(void);
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void configure_kernel_carveout(unsigned int carveout_id, uint64_t address, uint64_t size);
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#endif
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