Merge 386/machdep.c rev 1.467: fix bugs/miscalculations

Forgotten by:  iwasaki

1 files changed, 12 insertions, 10 deletions

diff --git a/sys/pc98/i386/machdep.c b/sys/pc98/i386/machdep.c
index 75b9110..9c68047 100644
--- a/sys/pc98/i386/machdep.c
+++ b/sys/pc98/i386/machdep.c
@@ -1842,14 +1842,12 @@ void
 init386(first)
 	int first;
 {
-	int x;
 	struct gate_descriptor *gdp;
-	int gsel_tss;
+	int gsel_tss, metadata_missing, off, x;
 #ifndef SMP
 	/* table descriptors - used to load tables by microp */
 	struct region_descriptor r_gdt, r_idt;
 #endif
-	int off;
 
 	proc0.p_addr = proc0paddr;
 
@@ -1862,11 +1860,12 @@ init386(first)
 	pc98_init_dmac();
 #endif
 
+	metadata_missing = 0;
 	if (bootinfo.bi_modulep) {
 		preload_metadata = (caddr_t)bootinfo.bi_modulep + KERNBASE;
 		preload_bootstrap_relocate(KERNBASE);
 	} else {
-		printf("WARNING: loader(8) metadata is missing!\n");
+		metadata_missing = 1;
 	}
 	if (bootinfo.bi_envp)
 		kern_envp = (caddr_t)bootinfo.bi_envp + KERNBASE;
@@ -1883,18 +1882,18 @@ init386(first)
 	 * XXX text protection is temporarily (?) disabled.  The limit was
 	 * i386_btop(round_page(etext)) - 1.
 	 */
-	gdt_segs[GCODE_SEL].ssd_limit = i386_btop(0) - 1;
-	gdt_segs[GDATA_SEL].ssd_limit = i386_btop(0) - 1;
+	gdt_segs[GCODE_SEL].ssd_limit = atop(0 - 1);
+	gdt_segs[GDATA_SEL].ssd_limit = atop(0 - 1);
 #ifdef SMP
 	gdt_segs[GPRIV_SEL].ssd_limit =
-		i386_btop(sizeof(struct privatespace)) - 1;
+		atop(sizeof(struct privatespace) - 1);
 	gdt_segs[GPRIV_SEL].ssd_base = (int) &SMP_prvspace[0];
 	gdt_segs[GPROC0_SEL].ssd_base =
 		(int) &SMP_prvspace[0].globaldata.gd_common_tss;
 	SMP_prvspace[0].globaldata.gd_prvspace = &SMP_prvspace[0].globaldata;
 #else
 	gdt_segs[GPRIV_SEL].ssd_limit =
-		i386_btop(sizeof(struct globaldata)) - 1;
+		atop(sizeof(struct globaldata) - 1);
 	gdt_segs[GPRIV_SEL].ssd_base = (int) &__globaldata;
 	gdt_segs[GPROC0_SEL].ssd_base =
 		(int) &__globaldata.gd_common_tss;
@@ -1951,8 +1950,8 @@ init386(first)
 	 * the code segment cannot be written to directly.
 	 */
 #define VM_END_USER_R_ADDRESS	(VM_END_USER_RW_ADDRESS + UPAGES * PAGE_SIZE)
-	ldt_segs[LUCODE_SEL].ssd_limit = i386_btop(VM_END_USER_R_ADDRESS) - 1;
-	ldt_segs[LUDATA_SEL].ssd_limit = i386_btop(VM_END_USER_RW_ADDRESS) - 1;
+	ldt_segs[LUCODE_SEL].ssd_limit = atop(VM_END_USER_R_ADDRESS - 1);
+	ldt_segs[LUDATA_SEL].ssd_limit = atop(VM_END_USER_RW_ADDRESS - 1);
 	for (x = 0; x < sizeof ldt_segs / sizeof ldt_segs[0]; x++)
 		ssdtosd(&ldt_segs[x], &ldt[x].sd);
 
@@ -1995,6 +1994,9 @@ init386(first)
 	 */
 	cninit();
 
+	if (metadata_missing)
+		printf("WARNING: loader(8) metadata is missing!\n");
+
 #ifdef DEV_ISA
 	isa_defaultirq();
 #endif