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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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16
kernel/start.c
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@@ -7,8 +7,6 @@
#include <string.h>
#include <archconst.h>
PRIVATE char params[K_PARAM_SIZE];
FORWARD _PROTOTYPE( char *get_value, (_CONST char *params, _CONST char *key));
/*===========================================================================*
* cstart *
@@ -21,7 +19,6 @@ U16_t parmoff, parmsize; /* boot parameters offset and length */
/* Perform system initializations prior to calling main(). Most settings are
* determined with help of the environment strings passed by MINIX' loader.
*/
char params[128*sizeof(char *)]; /* boot monitor parameters */
register char *value; /* value in key=value pair */
extern int etext, end;
int h;
@@ -36,10 +33,7 @@ U16_t parmoff, parmsize; /* boot parameters offset and length */
system_init();
/* Copy the boot parameters to the local buffer. */
kinfo.params_base = seg2phys(mds) + parmoff;
kinfo.params_size = MIN(parmsize,sizeof(params)-2);
phys_copy(kinfo.params_base,
vir2phys(params), kinfo.params_size);
arch_get_params(params_buffer, sizeof(params_buffer));
/* Record miscellaneous information for user-space servers. */
kinfo.nr_procs = NR_PROCS;
@@ -49,8 +43,6 @@ U16_t parmoff, parmsize; /* boot parameters offset and length */
strncpy(kinfo.version, OS_VERSION, sizeof(kinfo.version));
kinfo.version[sizeof(kinfo.version)-1] = '\0';
kinfo.proc_addr = (vir_bytes) proc;
kinfo.kmem_base = vir2phys(0);
kinfo.kmem_size = (phys_bytes) &end;
/* Load average data initialization. */
kloadinfo.proc_last_slot = 0;
@@ -58,10 +50,10 @@ U16_t parmoff, parmsize; /* boot parameters offset and length */
kloadinfo.proc_load_history[h] = 0;
/* Processor? Decide if mode is protected for older machines. */
machine.processor=atoi(get_value(params, "processor"));
machine.processor=atoi(get_value(params_buffer, "processor"));
/* XT, AT or MCA bus? */
value = get_value(params, "bus");
value = get_value(params_buffer, "bus");
if (value == NIL_PTR || strcmp(value, "at") == 0) {
machine.pc_at = TRUE; /* PC-AT compatible hardware */
} else if (strcmp(value, "mca") == 0) {
@@ -69,7 +61,7 @@ U16_t parmoff, parmsize; /* boot parameters offset and length */
}
/* Type of VDU: */
value = get_value(params, "video"); /* EGA or VGA video unit */
value = get_value(params_buffer, "video"); /* EGA or VGA video unit */
if (strcmp(value, "ega") == 0) machine.vdu_ega = TRUE;
if (strcmp(value, "vga") == 0) machine.vdu_vga = machine.vdu_ega = TRUE;