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| author | Wojtek Kosior <kwojtus@protonmail.com> | 2019-12-28 15:55:29 +0100 |
|---|---|---|
| committer | Wojtek Kosior <kwojtus@protonmail.com> | 2019-12-28 15:55:29 +0100 |
| commit | c374eaacbc0d16983bbd1112fefa74dbe88e1e53 (patch) | |
| tree | c6930675e0200a4aed724fd65947853f2b4f274f /memory.h | |
| parent | 7062b101197c03c7f4806d83b8d79cf34d3b6a42 (diff) | |
| download | rpi-MMU-example-c374eaacbc0d16983bbd1112fefa74dbe88e1e53.tar.gz rpi-MMU-example-c374eaacbc0d16983bbd1112fefa74dbe88e1e53.zip | |
use ldm instruction instead of libkernel for entering user mode; get rid of libkernel (no longer needed)
Diffstat (limited to 'memory.h')
| -rw-r--r-- | memory.h | 13 |
1 files changed, 2 insertions, 11 deletions
@@ -24,24 +24,15 @@ extern const char __start; #define TRANSLATION_TABLE_END \ (TRANSLATION_TABLE_BASE + (uint32_t) (4096 * 4)) -#define LIBKERNEL_SECTION_START \ - (((TRANSLATION_TABLE_END - (uint32_t) 1) & ~((uint32_t) 0xfffff)) \ +#define PRIVILEGED_MEMORY_END \ + (((TRANSLATION_TABLE_END - (uint32_t) 1) & ~((uint32_t) 0xfffff)) \ + SECTION_SIZE) -#define LIBKERNEL_SECTION_END \ - (LIBKERNEL_SECTION_START + SECTION_SIZE) - -// section for libkernel is flat-mapped -#define LIBKERNEL_SECTION_NUMBER (LIBKERNEL_SECTION_START >> 20) - -#define PRIVILEGED_MEMORY_END LIBKERNEL_SECTION_END - #define UNPRIVILEGED_MEMORY_START PRIVILEGED_MEMORY_END #define UNPRIVILEGED_MEMORY_END \ (UNPRIVILEGED_MEMORY_START + SECTION_SIZE) #define PL0_SECTION_NUMBER ((uint32_t) 0b101010101010) -#define PL0_SECTION_NUMBER_STR "0b101010101010" #define VIRTUAL_PL0_MEMORY_START (PL0_SECTION_NUMBER << 20) |