rename common to src

+ I keep starting to type src and wondering why autocomplete won't work,
  I guess src is just uncounciously a better name

1 files changed, 0 insertions, 158 deletions

diff --git a/common/uapi/mem.c b/common/uapi/mem.c
deleted file mode 100644
index d54390a..0000000
--- a/common/uapi/mem.c
+++ /dev/null
@@ -1,158 +0,0 @@
-/* SPDX-License-Identifier: copyleft-next-0.3.1 */
-/* Copyright 2021 - 2022, Kim Kuparinen < kimi.h.kuparinen@gmail.com > */
-
-/**
- * @file mem.c
- * Memory handling syscall implementations.
- * \todo Should we return more error information?
- */
-
-#include <kmi/uapi.h>
-#include <kmi/utils.h>
-#include <kmi/vmem.h>
-#include <kmi/dmem.h>
-
-/**
- * Memory request syscall handler.
- *
- * @param t Current tcb.
- * @param size Minimum size of allocation.
- * @param flags Flags of allocation.
- * @return \ref OK and start of allocation when succesful,
- * \ref ERR_OOMEM and \c NULL otherwise.
- */
-SYSCALL_DEFINE2(req_mem)(struct tcb *t, sys_arg_t size, sys_arg_t flags)
-{
-	struct tcb *r = get_cproc(t);
-	vm_t start = 0;
-	/** @todo expose flags to users */
-	if (!(start = alloc_uvmem(r, size, flags)))
-		return_args1(t, ERR_OOMEM);
-
-	return_args2(t, OK, start);
-}
-
-/**
- * Allocate single page to program.
- *
- * @param t Current tcb.
- * @param size Size of the allocation.
- * @param flags Flags of allocation.
- * @return \ref ERR_OOMEM if unsucessful, otherwise \ref OK, virtual address,
- * actual size, physical address, in that order.
- */
-SYSCALL_DEFINE2(req_page)(struct tcb *t, sys_arg_t size, sys_arg_t flags)
-{
-	struct tcb *r = get_cproc(t);
-	vm_t start = 0; pm_t paddr = 0; size_t asize = size;
-	if (!(start = alloc_uvpage(r, asize, flags, &asize, &paddr)))
-		return_args1(t, ERR_OOMEM);
-
-	return_args4(t, OK, start, asize, paddr);
-}
-
-/**
- * Fixed memory request syscall handler.
- *
- * @param t Current tcb.
- * @param fixed Address which should be included in allocation.
- * @param size Minimum size of allocation after \c start.
- * @param flags Flags of allocation.
- * @return \ref OK and start of allocation when succesful,
- * \ref ERR_OOMEM and \c NULL otherwise.
- */
-SYSCALL_DEFINE3(req_fixmem)(struct tcb *t, sys_arg_t fixed, sys_arg_t size,
-                            sys_arg_t flags)
-{
-	struct tcb *r = get_cproc(t);
-	vm_t start = 0;
-	if (!(start = alloc_fixed_uvmem(r, fixed, size, flags)))
-		return_args1(t, ERR_OOMEM);
-
-	return_args2(t, OK, start);
-}
-
-/**
- * Free memory syscall handler.
- *
- * @param t Current tcb.
- * @param start Start of allocation to free.
- * @return \ref OK and \c 0 when succesful, \ref ERR_NF and \c 0 otherwise.
- */
-SYSCALL_DEFINE1(free_mem)(struct tcb *t, sys_arg_t start)
-{
-	struct tcb *r = get_cproc(t);
-	vm_t vm_start = (vm_t)start;
-
-	stat_t status = OK;
-	/* try freeing normal user memory first, if that fails, try device
-	 * memory, otherwise just assume the address is borked. */
-	if (!(status = free_uvmem(r, vm_start)))
-		return_args1(t, OK);
-
-	if (!(status = free_devmem(r, vm_start)))
-		return_args1(t, OK);
-
-	return_args1(t, status);
-}
-
-/**
- * Request physical memory syscall handler.
- *
- * @param t Current tcb.
- * @param paddr Physical address to map.
- * @param size Minimum size of allocation.
- * @param flags Flags of allocation.
- * @return \ref OK and start of allocation when succesful,
- * \ref ERR_OOMEM and \c NULL otherwise.
- */
-SYSCALL_DEFINE3(req_pmem)(struct tcb *t, sys_arg_t paddr, sys_arg_t size,
-                          sys_arg_t flags)
-{
-	/* this will require some pondering, but essentially this syscall should
-	 * only be used for device access, so any addresses requested should be
-	 * outside the RAM area, and I'll probably have to implement some method
-	 * that keeps track of used regions outside of RAM. We'll see.
-	 */
-	struct tcb *r = get_cproc(t);
-	vm_t start = 0;
-	if (!(start = alloc_devmem(r, paddr, size, flags)))
-		return_args1(t, ERR_OOMEM);
-
-	return_args2(t, OK, start);
-}
-
-/**
- * Request shared memory syscall handler.
- *
- * @param t Current tcb.
- * @param tid Thread to share memory with.
- * @param size Minimum size of allocation.
- * @param sflags Flags of allocation for \p t.
- * @param cflags Flags of allocation for \p tid.
- * @return \ref OK and start of \p t allocation and start of \p tid allocation,
- * in that order, \ref ERR_OOMEM otherwise.
- *
- * @todo should we also take the thread who should get the other end of the
- * memory?
- */
-SYSCALL_DEFINE4(req_sharedmem)(struct tcb *t, sys_arg_t tid,
-                               sys_arg_t size, sys_arg_t sflags,
-                               sys_arg_t cflags)
-{
-	/** @todo check capability for shared memory */
-	struct tcb *u = get_tcb(tid);
-	if (!u)
-		return_args1(t, ERR_INVAL);
-
-	struct tcb *s = get_cproc(t);
-	struct tcb *c = get_rproc(u);
-
-	vm_t sstart, cstart;
-	if (alloc_shared_uvmem(s, c, size, sflags, cflags, &sstart, &cstart))
-		return_args1(t, ERR_OOMEM);
-
-	return_args3(t, OK, sstart, cstart);
-}
-
-/** \todo add some way to specify who gets to access the shared memory? */