Implement basic variables (to hide pointers from logs)

shell.h

@@ -3,11 +3,27 @@
 
 #include <stdio.h>
 
+enum shell_var_type {
+    SHELL_VAR_SINT,
+    SHELL_VAR_UINT,
+    SHELL_VAR_POINTER,
+};
+
+#define SHELL_VAR_NAME_LEN 16
+
+struct shell_var {
+    struct shell_var *next;
+    enum shell_var_type type;
+    char name[SHELL_VAR_NAME_LEN];
+    union {ssize_t sint; size_t uint; uint64_t uint64; void *ptr;} value;
+};
+
 struct shell_ctx {
     FILE *fin;
     FILE *fout;
     int reproducible;
     const char *hist_file;
+    struct shell_var *var;
 };
 
 void *run_test(struct shell_ctx *ctx);

test/051_#draw_#cursor_all.ref.log

@@ -7,13 +7,17 @@ status: 0
 /> 
 /> load_cursor_from_file /sys/fill.cur
 handle = non-zero
+/> var $cur_fill
 /> load_cursor_from_mem ../spray.cur
 handle = non-zero
+/> var $cur_spray
 /> 
 /> window_redraw 1
 /> draw_window 10 300 5 200 0x000088 1 1 1 0 1 4 hello
 /> window_redraw 2
 /> 
+/> set_cursor $cur_fill
+prev handle = non-zero
 /> 
 /> 
 /> scrot 051_#draw_#cursor_all.out.png

test/051_#draw_#cursor_all.t

@@ -4,12 +4,15 @@ ramdisk_init ../img/kolibri.img
 set_skin /sys/DEFAULT.SKN
 
 load_cursor_from_file /sys/fill.cur
+var $cur_fill
 load_cursor_from_mem ../spray.cur
+var $cur_spray
 
 window_redraw 1
 draw_window 10 300 5 200 0x000088 1 1 1 0 1 4 hello
 window_redraw 2
 
+set_cursor $cur_fill
 
 
 scrot 051_#draw_#cursor_all.out.png

umka.asm

@@ -316,7 +316,7 @@ macro cmp target, source {
         cmp     target, [esp]
         pop     eax eax
   else
-        mov     target, source
+        cmp     target, source
   end if
 }
 
@@ -348,7 +348,9 @@ free_page equ free_page_pew
 include 'core/memory.inc'
 restore map_io_mem, free_page, create_trampoline_pgmap, alloc_page, alloc_pages
 ;include 'core/mtrr.inc'
+;user_alloc_at equ user_alloc_at_pew
 include 'core/heap.inc'
+;restore user_alloc_at
 include 'core/malloc.inc'
 macro mov target, source {
   if target eq [edi - 4096 + (page_tabs shr 20)]
@@ -529,6 +531,8 @@ proc umka_init c uses ebx esi edi ebp
         xor     eax, eax
         rep stosb
 
+;        call    mem_test
+;        call    init_mem
 ;        call    init_page_map
 
         mov     [xsave_area_size], 0x1000
@@ -851,6 +855,11 @@ proc map_io_mem _base, _size, _flags
         ret
 endp
 
+;proc user_alloc_at stdcall, address:dword, alloc_size:dword
+;        xor     eax, eax
+;        ret
+;endp
+
 extrn system_shutdown
 
 sysfn_saveramdisk:
@@ -941,13 +950,23 @@ macro pew x {inclu#de `x}
 macro org x {}
 macro format [x] {}
 
+bios32_entry equ bios32_entry_pew
+tmp_page_tabs equ tmp_page_tabs_pew
 include 'kernel.asm'
-
+restore bios32_entry, tmp_page_tabs
 purge org,sys_msg_board,delay_ms
 restore org,sys_msg_board,delay_ms
 
 coverage_end:
 
+
+section '.data.boot' writeable align 0x1000
+BOOT boot_data
+virtual at BOOT
+BOOT_LO boot_data
+end virtual
+
+
 if HOST eq windows
     section '.data.8k' writeable align 8192
 else if HOST eq linux
@@ -962,11 +981,6 @@ pubsym umka_initialized
 umka_initialized dd 0
 fpu_owner dd ?
 
-BOOT boot_data
-virtual at BOOT
-BOOT_LO boot_data
-end virtual
-
 uglobal
 align 64
 os_base:        rb PAGE_SIZE
@@ -994,6 +1008,10 @@ HEAP_BASE       rb UMKA_MEMORY_BYTES - (HEAP_BASE - os_base + \
 endg
 
 uglobal
+align 4
+bios32_entry    dd ?
+tmp_page_tabs   dd ?
+
 page_tabs:
 rb 256*1024*1024
 v86_irqhooks rd IRQ_RESERVED*2

umka.h

@@ -728,7 +728,7 @@ typedef struct {
 extern display_t kos_display;
 
 typedef struct {
-    void *addr;
+    uint64_t addr;
     uint64_t size;
     uint32_t type;
 } e820entry_t;

umka.ld

@@ -17,7 +17,17 @@ INSERT BEFORE .interp;
 
 SECTIONS
 {
-  .data.aligned BLOCK(65536) :
+  .data.boot BLOCK(0x1000) :
+  {
+    *(.data.boot)
+  }
+
+}
+INSERT BEFORE .data;
+
+SECTIONS
+{
+  .data.aligned BLOCK(0x10000) :
   {
     *(SORT_BY_NAME(.data.align*))
   }
@@ -27,7 +37,7 @@ INSERT AFTER .data;
 
 SECTIONS
 {
-  .bss.aligned BLOCK(65536) :
+  .bss.aligned BLOCK(0x10000) :
   {
     *(SORT_BY_NAME(.bss.align*))
   }

umka_shell.c

@@ -40,9 +40,11 @@ void build_history_filename() {
     sprintf(history_filename, "%s/%s", dir_name, HIST_FILE_BASENAME);
 }
 
+/*
 uint8_t mem0[64*1024*1024];
 uint8_t mem1[128*1024*1024];
 uint8_t mem2[256*1024*1024];
+*/
 
 int
 main(int argc, char **argv) {
@@ -56,14 +58,14 @@ main(int argc, char **argv) {
         "  -c               collect coverage";
     const char *infile = NULL, *outfile = NULL;
     struct shell_ctx ctx = {.fin = stdin, .fout = stdout, .reproducible = 0,
-                            .hist_file = history_filename};
+                            .hist_file = history_filename, .var = NULL};
     build_history_filename();
-
+/*
     kos_boot.memmap_block_cnt = 3;
-    kos_boot.memmap_blocks[0] = (e820entry_t){mem0, 64*1024*1024, 1};
-    kos_boot.memmap_blocks[1] = (e820entry_t){mem1, 128*1024*1024, 1};
-    kos_boot.memmap_blocks[2] = (e820entry_t){mem2, 256*1024*1024, 1};
-
+    kos_boot.memmap_blocks[0] = (e820entry_t){(uintptr_t)mem0, 64*1024*1024, 1};
+    kos_boot.memmap_blocks[1] = (e820entry_t){(uintptr_t)mem1, 128*1024*1024, 1};
+    kos_boot.memmap_blocks[2] = (e820entry_t){(uintptr_t)mem2, 256*1024*1024, 1};
+*/
     kos_boot.bpp = 32;
     kos_boot.x_res = UMKA_DEFAULT_DISPLAY_WIDTH;
     kos_boot.y_res = UMKA_DEFAULT_DISPLAY_HEIGHT;