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retire BIOS_SEG and umap_bios

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. readbios call is now a physical copy with range check in
	  the kernel call instead of BIOS_SEG+umap_bios
	. requires all access to physical memory in bios range to go
	  through sys_readbios
	. drivers/dpeth: wasn't using it
	. adjusted printer
This commit is contained in:
Ben Gras
2012-05-09 18:34:40 +02:00
parent b611e4c226
commit cfb2d7bca5
10 changed files with 23 additions and 80 deletions
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2
include/minix/const.h
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@@ -63,8 +63,6 @@
#define D 1 /* proc[i].mem_map[D] is for data */
#define S 2 /* proc[i].mem_map[S] is for stack */
#define BIOS_SEG 0x0200 /* flags indicating BIOS memory segment */
#define PHYS_SEG 0x0400 /* flag indicating entire physical memory */
#define LOCAL_VM_SEG 0x1000 /* same as LOCAL_SEG, but with vm lookup */

4
include/minix/syslib.h
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@@ -131,10 +131,6 @@ int sys_vtimer(endpoint_t proc_nr, int which, clock_t *newval, clock_t
int sys_irqctl(int request, int irq_vec, int policy, int *irq_hook_id);
/* Shorthands for sys_vircopy() and sys_physcopy() system calls. */
#define sys_biosin(bios_vir, dst_vir, bytes) \
sys_vircopy(SELF, BIOS_SEG, bios_vir, SELF, D, dst_vir, bytes)
#define sys_biosout(src_vir, bios_vir, bytes) \
sys_vircopy(SELF, D, src_vir, SELF, BIOS_SEG, bios_vir, bytes)
#define sys_datacopy(src_proc, src_vir, dst_proc, dst_vir, bytes) \
sys_vircopy(src_proc, D, src_vir, dst_proc, D, dst_vir, bytes)
#define sys_textcopy(src_proc, src_vir, dst_proc, dst_vir, bytes) \