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| author | Jon Santmyer <jon@jonsantmyer.com> | 2026-10-19 11:06:32 -0400 |
|---|---|---|
| committer | Jon Santmyer <jon@jonsantmyer.com> | 2026-10-19 11:06:32 -0400 |
| commit | 44f9642bfc9ce9f740d508670befb569e06621a2 (patch) | |
| tree | ff64ec6fd0562b4b9e6ba665fceeec52f2371840 /api/syscall.h | |
| parent | b2920331b103d43793ac8be927a80a593ce0be5a (diff) | |
| download | jove-kernel-44f9642bfc9ce9f740d508670befb569e06621a2.tar.gz jove-kernel-44f9642bfc9ce9f740d508670befb569e06621a2.tar.bz2 jove-kernel-44f9642bfc9ce9f740d508670befb569e06621a2.zip | |
Diffstat (limited to 'api/syscall.h')
| -rw-r--r-- | api/syscall.h | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/api/syscall.h b/api/syscall.h index 4a5d3e4..a52fa5e 100644 --- a/api/syscall.h +++ b/api/syscall.h @@ -3,9 +3,11 @@ #include <stddef.h> #include <stdint.h> +#include <stdbool.h> #include "process.h" #include "obj.h" +#include "memory.h" /* General syscall behavior: * If the message passed is not a JOVE_OBJ_MESSAGE type, the kernel will return EBADOBJ. @@ -106,6 +108,8 @@ struct syscall_objdir_link enum { _SYSCALL_PAGEDIR_NONE = 0, + SYSCALL_PAGEDIR_GET_MAPPING, + SYSCALL_PAGEDIR_TRANSFER, SYSCALL_PAGEDIR_MAP_FRAME, SYSCALL_PAGEDIR_MAP_TABLE, SYSCALL_PAGEDIR_MAP_SHMEM, @@ -114,6 +118,8 @@ enum SYSCALL_PAGEDIR_UNMAP_SHMEM, }; +#define SYSCALL_PERM_PAGEDIR_GET_MAPPING (JOVE_PERM_READ) +#define SYSCALL_PERM_PAGEDIR_TRANSFER (JOVE_PERM_READ | JOVE_PERM_WRITE) #define SYSCALL_PERM_PAGEDIR_MAP_FRAME (JOVE_PERM_READ | JOVE_PERM_WRITE) #define SYSCALL_PERM_PAGEDIR_MAP_TABLE (JOVE_PERM_READ | JOVE_PERM_WRITE) #define SYSCALL_PERM_PAGEDIR_MAP_SHMEM (JOVE_PERM_READ | JOVE_PERM_WRITE) @@ -121,17 +127,20 @@ enum #define SYSCALL_PERM_PAGEDIR_UNMAP_TABLE (JOVE_PERM_READ | JOVE_PERM_WRITE) #define SYSCALL_PERM_PAGEDIR_UNMAP_SHMEM (JOVE_PERM_READ | JOVE_PERM_WRITE) -struct syscall_pagedir_flags +#define SYSCALL_PERM_PAGEDIR_TRANSFER_TGT (SYSCALL_PERM_PAGEDIR_TRANSFER) + +struct syscall_pagedir_transfer { - uint8_t writeable : 1; - uint8_t executable : 1; - uint8_t flg_unused : 6; + virtaddr_t subject_address; + virtaddr_t target_address; + objpath_part_t target_path_length; + objpath_part_t target_path[]; }; struct syscall_pagedir_map { uintptr_t virtual_address; - struct syscall_pagedir_flags page_flags; + struct pagedir_mapping_flags flags; objpath_part_t untyped_pathlen; objpath_part_t untyped_path[]; }; @@ -140,7 +149,7 @@ struct syscall_pagedir_map_shmem { uintptr_t virtual_address; unsigned short page_offset; - struct syscall_pagedir_flags page_flags; + struct pagedir_mapping_flags flags; objpath_part_t shmem_pathlen; objpath_part_t shmem_path[]; }; |