Justin C. Miller
0e0975e5f6
Finished the VMA kobject and added the related syscalls. Processes can now allocate memory! Other changes in this commit: - stop using g_frame_allocator and add frame_allocator::get() - make sure to release all handles in the process dtor - fix kutil::map::iterator never comparing to end()
62 lines
1.1 KiB
C++
62 lines
1.1 KiB
C++
#include "j6/errors.h"
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#include "j6/signals.h"
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#include "j6/types.h"
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#include "log.h"
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#include "objects/process.h"
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#include "objects/vm_area.h"
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#include "syscalls/helpers.h"
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#include "vm_space.h"
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namespace syscalls {
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j6_status_t
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vma_create(j6_handle_t *handle, size_t size)
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{
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construct_handle<vm_area>(handle, size);
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return j6_status_ok;
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}
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j6_status_t
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vma_create_map(j6_handle_t *handle, size_t size, uintptr_t base)
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{
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vm_area *a = construct_handle<vm_area>(handle, size);
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a->add_to(&process::current().space(), base);
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return j6_status_ok;
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}
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j6_status_t
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vma_map(j6_handle_t handle, uintptr_t base)
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{
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vm_area *a = get_handle<vm_area>(handle);
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if (!a) return j6_err_invalid_arg;
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a->add_to(&process::current().space(), base);
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return j6_status_ok;
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}
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j6_status_t
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vma_unmap(j6_handle_t handle)
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{
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vm_area *a = get_handle<vm_area>(handle);
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if (!a) return j6_err_invalid_arg;
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a->remove_from(&process::current().space());
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return j6_status_ok;
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}
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j6_status_t
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vma_close(j6_handle_t handle)
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{
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j6_status_t status = vma_unmap(handle);
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if (status != j6_status_ok)
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return status;
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remove_handle<vm_area>(handle);
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return j6_status_ok;
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}
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} // namespace syscalls
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