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Basic VM and other minor improvements.

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Not complete, probably not fully debugged or optimized.
This commit is contained in:
Ben Gras
2008-11-19 12:26:10 +00:00
parent c888305e21
commit c078ec0331
273 changed files with 10814 additions and 4305 deletions
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29
kernel/system/do_privctl.c
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@@ -28,8 +28,7 @@ message *m_ptr; /* pointer to request message */
register struct priv *sp;
int proc_nr;
int priv_id;
int i;
phys_bytes caller_phys, kernel_phys;
int i, r;
struct io_range io_range;
struct mem_range mem_range;
struct priv priv;
@@ -100,12 +99,9 @@ message *m_ptr; /* pointer to request message */
if (m_ptr->CTL_ARG_PTR)
{
/* Copy privilege structure from caller */
caller_phys = umap_local(caller_ptr, D,
(vir_bytes) m_ptr->CTL_ARG_PTR, sizeof(priv));
if (caller_phys == 0)
return EFAULT;
kernel_phys = vir2phys(&priv);
phys_copy(caller_phys, kernel_phys, sizeof(priv));
if((r=data_copy(who_e, (vir_bytes) m_ptr->CTL_ARG_PTR,
SYSTEM, (vir_bytes) &priv, sizeof(priv))) != OK)
return r;
/* Copy the call mask */
for (i= 0; i<CALL_MASK_SIZE; i++)
@@ -180,12 +176,8 @@ message *m_ptr; /* pointer to request message */
#endif
/* Get the I/O range */
caller_phys = umap_local(caller_ptr, D, (vir_bytes) m_ptr->CTL_ARG_PTR,
sizeof(io_range));
if (caller_phys == 0)
return EFAULT;
kernel_phys = vir2phys(&io_range);
phys_copy(caller_phys, kernel_phys, sizeof(io_range));
data_copy(who_e, (vir_bytes) m_ptr->CTL_ARG_PTR,
SYSTEM, (vir_bytes) &io_range, sizeof(io_range));
priv(rp)->s_flags |= CHECK_IO_PORT; /* Check I/O accesses */
i= priv(rp)->s_nr_io_range;
if (i >= NR_IO_RANGE)
@@ -206,12 +198,9 @@ message *m_ptr; /* pointer to request message */
return EPERM;
/* Get the memory range */
caller_phys = umap_local(caller_ptr, D, (vir_bytes) m_ptr->CTL_ARG_PTR,
sizeof(mem_range));
if (caller_phys == 0)
return EFAULT;
kernel_phys = vir2phys(&mem_range);
phys_copy(caller_phys, kernel_phys, sizeof(mem_range));
if((r=data_copy(who_e, (vir_bytes) m_ptr->CTL_ARG_PTR,
SYSTEM, (vir_bytes) &mem_range, sizeof(mem_range))) != OK)
return r;
priv(rp)->s_flags |= CHECK_MEM; /* Check I/O accesses */
i= priv(rp)->s_nr_mem_range;
if (i >= NR_MEM_RANGE)