m68k-backplane-computer/libstd
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add support for vmem_copy_to_secondary syscall

Browse Source
This commit is contained in:
pjht 2024-03-19 13:11:56 -05:00
parent f3e90cdd5b
commit e6d4e507e2
Signed by: pjht
GPG Key ID: CA239FC6934E6F3A
2 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/syscalls.i
View File

@ -21,4 +21,6 @@ __STD_SYSCALLS_I equ 1
xref syscall_vmem_map_free_to xref syscall_vmem_map_free_to
; Sets the permission flags of the range of virtual pages starting at address a0 with length d1 to d0 ; Sets the permission flags of the range of virtual pages starting at address a0 with length d1 to d0
xref syscall_vmem_set_flags xref syscall_vmem_set_flags
; Copies the range of page mappings at address a0 in the primary space with length d0 to the secondary space starting at address a1
xref syscall_vmem_copy_to_secondary
endif endif

8
syscalls.68k
View File

@ -78,3 +78,11 @@ syscall_vmem_set_flags:
trap #0 trap #0
move.l (a7)+, d2 move.l (a7)+, d2
rts rts
public syscall_vmem_copy_to_secondary
; Copies the range of page mappings at address a0 in the primary space with length d0 to the secondary space starting at address a1
syscall_vmem_copy_to_secondary:
move.l d0, d1
move.l #8, d0
trap #0
rts