minor changes, redoing makefile, meminfo program

1 files changed, 18 insertions, 1 deletions

diff --git a/doc/ints.txt b/doc/ints.txt
index 2a97049..cd91f60 100644
--- a/doc/ints.txt
+++ b/doc/ints.txt
@@ -11,6 +11,7 @@ args in ebx, ecx, edx, esi, edi
 result in eax
   note: do not assume eax is unmodified if there is no value to be returned
 modifies ecx, edx
+see table 1
 
 file system calls have units of bytes unless otherwise specified
 functions returning handles or pointers use 0 to indicate error
@@ -20,6 +21,8 @@ see keys.txt for the return type of the "get key" system call
 invalid system call numbers change eax to -1, and have no other effect.
 
 
+table 1:
+
  function      | eax | eax out       | ebx           | ecx         | edx   | esi    | edi
 ---------------|-----|---------------|---------------|-------------|-------|--------|-----
  open file     | 0x0 | handle        | drive number  | path        |       |        |
@@ -29,4 +32,18 @@ invalid system call numbers change eax to -1, and have no other effect.
  start task    | 0x4 | success       | drive number  | path        |       |        |
  log string    | 0x5 |               | sz string     |             |       |        |
  get key       | 0x6 | keycode       |               |             |       |        |
- allocate ram  | 0x7 | start pointer | pages         |             |       |        |
\ No newline at end of file
+ allocate ram  | 0x7 | start pointer | pages         |             |       |        |
+ memory info   | 0x8 | see table 2   | see table 2   |             |       |        |
+
+
+table 2:
+all values are in units of pages
+eax -1 indicates unrecognized ebx
+
+ ebx | eax out
+-----|--------------------------
+ 0x0 | kernel dynamic area size
+ 0x1 | kernel dynamic area left
+ 0x2 | total userspace size
+ 0x3 | total userspace left
+ 0x4 | this process memory left
\ No newline at end of file