| cpu_machdep.c (15543) | cpu_machdep.c (15565) |
|---|---|
| 1/*- 2 * Copyright (c) 1992 Terrence R. Lambert. 3 * Copyright (c) 1982, 1987, 1990 The Regents of the University of California. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * William Jolitz. 8 * --- 21 unchanged lines hidden (view full) --- 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * from: @(#)machdep.c 7.4 (Berkeley) 6/3/91 | 1/*- 2 * Copyright (c) 1992 Terrence R. Lambert. 3 * Copyright (c) 1982, 1987, 1990 The Regents of the University of California. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * William Jolitz. 8 * --- 21 unchanged lines hidden (view full) --- 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * from: @(#)machdep.c 7.4 (Berkeley) 6/3/91 |
| 38 * $Id: machdep.c,v 1.186 1996/05/01 08:38:36 bde Exp $ | 38 * $Id: machdep.c,v 1.187 1996/05/02 14:19:47 phk Exp $ |
| 39 */ 40 41#include "npx.h" 42#include "isa.h" 43#include "opt_sysvipc.h" 44#include "opt_ddb.h" 45#include "opt_bounce.h" 46#include "opt_machdep.h" --- 116 unchanged lines hidden (view full) --- 163#else 164int bouncepages = 0; 165#endif 166#endif /* BOUNCE_BUFFERS */ 167 168extern int freebufspace; 169int msgbufmapped = 0; /* set when safe to use msgbuf */ 170int _udatasel, _ucodesel; | 39 */ 40 41#include "npx.h" 42#include "isa.h" 43#include "opt_sysvipc.h" 44#include "opt_ddb.h" 45#include "opt_bounce.h" 46#include "opt_machdep.h" --- 116 unchanged lines hidden (view full) --- 163#else 164int bouncepages = 0; 165#endif 166#endif /* BOUNCE_BUFFERS */ 167 168extern int freebufspace; 169int msgbufmapped = 0; /* set when safe to use msgbuf */ 170int _udatasel, _ucodesel; |
| 171u_int atdevbase; |
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| 171 172 173int physmem = 0; 174int cold = 1; 175 176static int 177sysctl_hw_physmem SYSCTL_HANDLER_ARGS 178{ --- 1129 unchanged lines hidden (view full) --- 1308 int gsel_tss; 1309 /* table descriptors - used to load tables by microp */ 1310 struct region_descriptor r_gdt, r_idt; 1311 int pagesinbase, pagesinext; 1312 int target_page, pa_indx; 1313 1314 proc0.p_addr = proc0paddr; 1315 | 172 173 174int physmem = 0; 175int cold = 1; 176 177static int 178sysctl_hw_physmem SYSCTL_HANDLER_ARGS 179{ --- 1129 unchanged lines hidden (view full) --- 1309 int gsel_tss; 1310 /* table descriptors - used to load tables by microp */ 1311 struct region_descriptor r_gdt, r_idt; 1312 int pagesinbase, pagesinext; 1313 int target_page, pa_indx; 1314 1315 proc0.p_addr = proc0paddr; 1316 |
| 1317 atdevbase = ISA_HOLE_START + KERNBASE; 1318 |
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| 1316 /* 1317 * Initialize the console before we print anything out. 1318 */ 1319 cninit(); 1320 1321 /* 1322 * make gdt memory segments, the code segment goes up to end of the 1323 * page with etext in it, the data segment goes to the end of --- 169 unchanged lines hidden (view full) --- 1493 } 1494 1495 for (target_page = avail_start; target_page < ptoa(Maxmem); target_page += PAGE_SIZE) { 1496 int tmp, page_bad = FALSE; 1497 1498 /* 1499 * map page into kernel: valid, read/write, non-cacheable 1500 */ | 1319 /* 1320 * Initialize the console before we print anything out. 1321 */ 1322 cninit(); 1323 1324 /* 1325 * make gdt memory segments, the code segment goes up to end of the 1326 * page with etext in it, the data segment goes to the end of --- 169 unchanged lines hidden (view full) --- 1496 } 1497 1498 for (target_page = avail_start; target_page < ptoa(Maxmem); target_page += PAGE_SIZE) { 1499 int tmp, page_bad = FALSE; 1500 1501 /* 1502 * map page into kernel: valid, read/write, non-cacheable 1503 */ |
| 1501 *(int *)CMAP1 = PG_V | PG_KW | PG_N | target_page; | 1504 *(int *)CMAP1 = PG_V | PG_RW | PG_N | target_page; |
| 1502 pmap_update(); 1503 1504 tmp = *(int *)CADDR1; 1505 /* 1506 * Test for alternating 1's and 0's 1507 */ 1508 *(volatile int *)CADDR1 = 0xaaaaaaaa; 1509 if (*(volatile int *)CADDR1 != 0xaaaaaaaa) { --- 319 unchanged lines hidden --- | 1505 pmap_update(); 1506 1507 tmp = *(int *)CADDR1; 1508 /* 1509 * Test for alternating 1's and 0's 1510 */ 1511 *(volatile int *)CADDR1 = 0xaaaaaaaa; 1512 if (*(volatile int *)CADDR1 != 0xaaaaaaaa) { --- 319 unchanged lines hidden --- |