vm

ka/crt/fmt/format.k

@@ -1,5 +1,5 @@
 ; The OS/K Team licenses this file to you under the MIT license.
 ; See the LICENSE file in the project root for more information.
 
-include "fmt/itoa.k"
+include "crt/fmt/itoa.k"
 

ka/crt/str/string.k

@@ -0,0 +1,9 @@
+; The OS/K Team licenses this file to you under the MIT license.
+; See the LICENSE file in the project root for more information.
+
+include "crt/str/strlen.k"
+include "crt/str/strrev.k"
+include "crt/str/strcpy.k"
+include "crt/str/strcmp.k"
+include "crt/str/strchr.k"
+

ka/dos.k

@@ -42,10 +42,15 @@ STRLEN_MAX := 0xFFFFFFFF
 ;
 ; Include librairies
 ;
-include "err/errno.k"
-include "fmt/format.k"
-include "prn/print.k"
-include "str/string.k"
+include "crt/err/errno.k"
+include "crt/fmt/format.k"
+include "crt/prn/print.k"
+include "crt/str/string.k"
+
+;
+; Include drivers
+;
+include "sys/memdev.k"
 
 ;
 ; Disk Operating System

ka/main.k

@@ -5,8 +5,13 @@
 ; Main function
 ;
 main:
-    mov rbx, 10
-    lea rax, b[rbx + -1]
+    jmp ramdev_test
+
+ramdev_test:
+    call DevGetMemOff
+    mov rdx, rax
+
+    call DevGetMemSize
     ret
 
 stosb_test:
@@ -70,8 +75,6 @@ itoa_test:
 .buf = [32]
 
 devtest:
-    enter
-
     mov ax0, .buf
     devctl 0, 1
 
@@ -80,7 +83,6 @@ devtest:
 
     iocall 0, 0
 
-    leave
     ret
 
 .buf = [32]
@@ -127,13 +129,3 @@ str_test:
 .buf1 = [32]
 .buf2 = "!!!!!!!!!!!!!"
 
-;
-; Exit function
-;
-exit:
-    mov ax0, .msg
-    call print
-
-    ret
-
-.msg = "Goodbye World :(\n"

ka/str/string.k

@@ -1,9 +0,0 @@
-; The OS/K Team licenses this file to you under the MIT license.
-; See the LICENSE file in the project root for more information.
-
-include "str/strlen.k"
-include "str/strrev.k"
-include "str/strcpy.k"
-include "str/strcmp.k"
-include "str/strchr.k"
-

ka/sys/memdev.k

@@ -0,0 +1,16 @@
+; The OS/K Team licenses this file to you under the MIT license.
+; See the LICENSE file in the project root for more information.
+
+MEMDEV := 1
+
+MEMDEV_GETMEMOFF   := 0
+MEMDEV_GETMEMSIZE  := 1
+
+DevGetMemOff:
+    iocall MEMDEV, MEMDEV_GETMEMOFF
+    ret
+
+DevGetMemSize:
+    iocall MEMDEV, MEMDEV_GETMEMSIZE
+    ret
+

vm/dv/memdev.c

@@ -3,8 +3,25 @@
 
 #include <pc/dev.h>
 
+long memdev_getmemoff(ctx_t *ctx, dev_t *dev)
+{
+    rax = MEMOFF;
+
+    return 0;
+}
+
+long memdev_getmemsize(ctx_t *ctx, dev_t *dev)
+{
+    rax = ctx->mz;
+
+    return 0;
+}
+
 long memdev_poweron(ctx_t *ctx, dev_t *dev)
 {
+    dev->fslots[0] = memdev_getmemoff;
+    dev->fslots[1] = memdev_getmemsize;
+
     dev->state = DEVGOOD;
 
     return 0;

vm/in/DEVCTL

@@ -26,10 +26,10 @@ The return value in rax is a status value:
 The slots for "devctl" are architecture-rerserved.
 They consist of the following functions:
        Slot     Param (ax0)     Description
-        0           ptr         Write device type into buffer
-        1           ptr         Write device name into buffer
-        2           ptr         Write device model into buffer
-        3           ptr         Write device vendor into buffer
+        0           ptr         Write device type into 32-bytes buffer
+        1           ptr         Write device name into 32-bytes buffer
+        2           ptr         Write device model into 32-bytes buffer
+        3           ptr         Write device vendor into 32-bytes buffer
         4                       rax=major, rdx=minor
         5                       rax=feats, rdx=revis
 

vm/la/karch.lang

@@ -46,17 +46,18 @@
     <pattern-item _name="Instructions" style="def:keyword" case-sensitive="FALSE"
         match-empty-string-at-beginning = "TRUE"
     	match-empty-string-at-end = "TRUE">
-    	<regex>^\s+[a-zA-Z0-9_.$%]{2,}</regex>
+    	<regex>^\s+[a-zA-Z0-9_.$%]{1,}</regex>
     </pattern-item>
 
     <keyword-list _name="Registers K" style="def:type"
     	case-sensitive="FALSE"
     	match-empty-string-at-beginning = "TRUE"
     	match-empty-string-at-end = "TRUE">
+    	<keyword>%%?[a-z][a-z0-9.]+</keyword>
     	<keyword>(inv|flg)</keyword>
-    	<keyword>r[isb]p</keyword>
+    	<keyword>r[isdb]p</keyword>
     	<keyword>r[a-fs][xi]</keyword>
-    	<keyword>[an]x[0-9]+</keyword>
+    	<keyword>[a-z]x[0-9]+</keyword>
     	<keyword>(sa|cr)[0-9]+</keyword>
     </keyword-list>
 

vm/pc/arch.h

@@ -87,21 +87,8 @@ void _except(ctx_t *, int, char *, ...) __attribute__((__noreturn__));
 
 void decode(ctx_t *ctx);
 
-#define MEMOFF (1 * 1024 * 1024)
-#define MEMSIZE (16 * 1024 * 1024)  // 16MB
-
-#define addr2real(p) (((p) - MEMOFF) / 2)
-#define real2addr(p) (((p) + MEMOFF) / 2)
-
-// Address of boot firmware stack
-#define FWSTACK (MEMOFF * 2)        // 2MB
-
-ulong readmem(ctx_t *c, ulong addr, uint len);
-void writemem(ctx_t *, ulong val, ulong addr, uint len);
-
-ulong readmemzx(ctx_t *c, ulong addr, uint len);
-void writememzx(ctx_t *, ulong val, ulong addr, uint len);
 
+#include <pc/mem.h>
 #include <pc/regs.h>
 #include <pc/decd.h>
 #include <in/arch_i.h>

vm/pc/dev.h

@@ -57,5 +57,3 @@ int devfini(ctx_t *, dev_t *);
 int devinitall(ctx_t *);
 int devfiniall(ctx_t *);
 
-extern dev_t    cpudev;
-

vm/pc/dump.c

@@ -21,7 +21,13 @@ static void dump_acc(ctx_t *ctx, acc_t *p)
         log("%s", ctx->r[p->reg].name);
 
     else if (p->type == A_IMM64)
-        log("0x%lX", p->val);
+    {
+        if (p->val < 0xA)
+            log("%lu", p->val);
+
+        else
+            log("0x%lX", p->val);
+    }
 
     else
     {
@@ -31,7 +37,7 @@ static void dump_acc(ctx_t *ctx, acc_t *p)
         
         if (mfmt == AM_IMM64)
             log("0x%lX]", p->addr);
-            
+  
         else if (mfmt == AM_RR)
         {
             if (p->reg1 && p->reg2)

vm/pc/mem.h

@@ -0,0 +1,17 @@
+// The OS/K Team licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+#define MEMOFF (1 * 1024 * 1024)
+#define MEMSIZE (16 * 1024 * 1024)  // 16MB
+
+#define addr2real(p) (((p) - MEMOFF) / 2)
+#define real2addr(p) (((p) + MEMOFF) / 2)
+
+// Address of boot firmware stack
+#define FWSTACK (MEMOFF * 2)        // 2MB
+
+ulong readmem(ctx_t *c, ulong addr, uint len);
+void writemem(ctx_t *, ulong val, ulong addr, uint len);
+
+ulong readmemzx(ctx_t *c, ulong addr, uint len);
+void writememzx(ctx_t *, ulong val, ulong addr, uint len);

vm/pc/regs.c

@@ -108,16 +108,17 @@ void dumpregs(ctx_t *ctx)
     DUMPREGS(SA0, SA3);
     DUMPREGS(CR0, CR3);
 
-    log("\nrip=0x%-16lX rsp=0x%-16lX rbp=0x%-16lX flg=0x%-16lX\n",
+
+    log("\n\nrip=0x%-16lX rsp=0x%-16lX rbp=0x%-16lX flg=0x%-16lX\n\n",
         rip, rsp, rbp, flg);
 
-    log("\nCF=%-4x  OF=%-4x "
-          "ZF=%-4x  SF=%-4x\n"
-          "PF=%-4x  DF=%-4x "
-          "IF=%-4x  UF=%-4x\n",
-          !!(flg&CF), !!(flg&OF),
-          !!(flg&ZF), !!(flg&SF),
-          !!(flg&PF), !!(flg&DF),
-          !!(flg&IF), !!(cr0&UF));
+    log("CF=%x OF=%x\n"
+        "ZF=%x SF=%x\n"
+        "PF=%x DF=%x\n"
+        "IF=%x UF=%x\n",
+        !!(flg&CF), !!(flg&OF),
+        !!(flg&ZF), !!(flg&SF),
+        !!(flg&PF), !!(flg&DF),
+        !!(flg&IF), !!(cr0&UF));
 }