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author | Xander <xander@biltopia.org> | 2023-07-13 00:52:37 +0200 |
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committer | Xander <xander@biltopia.org> | 2023-07-13 00:52:37 +0200 |
commit | 67245a7eebeb135427d50171fda7af58770afc6d (patch) | |
tree | 38378d0507ee79f8631134ec24f94cf9969bc6e8 /kernel | |
parent | e02a7e790650b31b713dde5c39ad6172c048f571 (diff) | |
download | ats-os-67245a7eebeb135427d50171fda7af58770afc6d.tar.xz ats-os-67245a7eebeb135427d50171fda7af58770afc6d.zip |
Full restructure
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/interrupts/idt.dats | 2 | ||||
-rw-r--r-- | kernel/itoa.dats | 63 | ||||
-rw-r--r-- | kernel/main.dats | 2 | ||||
-rw-r--r-- | kernel/output/writer.dats | 91 | ||||
-rw-r--r-- | kernel/output/writer.sats | 32 | ||||
-rw-r--r-- | kernel/prelude/DATS/print.dats (renamed from kernel/output/print.dats) | 5 | ||||
-rw-r--r-- | kernel/prelude/kernel_prelude.hats (renamed from kernel/kernel_prelude.hats) | 4 |
7 files changed, 6 insertions, 193 deletions
diff --git a/kernel/interrupts/idt.dats b/kernel/interrupts/idt.dats index 851a2b0..ea25ced 100644 --- a/kernel/interrupts/idt.dats +++ b/kernel/interrupts/idt.dats @@ -1,4 +1,4 @@ -#include "kernel/kernel_prelude.hats" +#include "kernel/prelude/kernel_prelude.hats" #define ATS_DYNLOADFLAG 0 diff --git a/kernel/itoa.dats b/kernel/itoa.dats deleted file mode 100644 index 7557dac..0000000 --- a/kernel/itoa.dats +++ /dev/null @@ -1,63 +0,0 @@ -#include "share/atspre_staload.hats" - -#define ATS_DYNLOADFLAG 0 - - -fun reverse {l : addr} {n,m:nat | n < m} (pf : !(@[char][m] @ l) | p : ptr l, n : int n) : void = let - fun loop {i,j,n:nat | i < j && j < n} (pf : !(@[char][n] @ l) | p : ptr l , i : int i, j : int j) : void = let - val tmp = p->[i] - in - p->[i] := p->[j]; - p->[j] := tmp; - if (i+1 < j-1) then - loop(pf | p, i+1,j-1) - end -in - if (n > 0) then - loop(pf | p, 0, n) -end - -local - -#define BUFFER_SIZE 50 - -staload UN = "prelude/SATS/unsafe.sats" - -extern castfn char_arr2string (arr : &(@[char][BUFFER_SIZE])) : [n : nat | n < BUFFER_SIZE] string n -extern praxi __assert {l:addr} (ptr: ptr (l)): vtakeout0 (@[char][BUFFER_SIZE]@l) -var buffer : @[char][BUFFER_SIZE] // Size should be BUFFER_SIZE - -in - -//TODO: make function better by handling to large number for buffer - -extern fun itoa {v,n:nat | n > 1 && n < 33 && v > 0} (value : int v, base : int n) : [k : nat | k < BUFFER_SIZE] string k -implement itoa(value,base) = let - prval (pf , fpf) = __assert(addr@buffer) // Get proofs UNSAFE: - - fun loop {n,i : nat | n > 0 && i < BUFFER_SIZE} {l:addr} (pf : !(@[char][BUFFER_SIZE] @ l) | p : ptr l , n : int n, i : size_t i): void = let - val r = n % base - val k = n / base - in - if (r >= 10) then - p->[i] := $UN.cast{char}(65 + (r - 10)) - else - p->[i] := $UN.cast{char}(48 + r); - - if (i + 2 < BUFFER_SIZE) then - if (k > 0) then - loop(pf | p, k, succ(i)) - else ( - p->[succ(i)] := '\0'; - reverse(pf | p, sz2i(i))) - end - - // Run loop - val () = loop(pf | addr@buffer, value, i2sz(0)); - val str = char_arr2string(buffer); // Convert to string UNSAFE: -in - let prval () = fpf(pf) in end; - str // Return string -end - -end diff --git a/kernel/main.dats b/kernel/main.dats index 26db859..d6e29f4 100644 --- a/kernel/main.dats +++ b/kernel/main.dats @@ -1,4 +1,4 @@ -#include "kernel/kernel_prelude.hats" +#include "./prelude/kernel_prelude.hats" staload "kernel/interrupts/idt.sats" diff --git a/kernel/output/writer.dats b/kernel/output/writer.dats deleted file mode 100644 index c7731f6..0000000 --- a/kernel/output/writer.dats +++ /dev/null @@ -1,91 +0,0 @@ -#include "kernel/kernel_prelude.hats" - -staload "./writer.sats" - -#define ATS_DYNLOADFLAG 0 - -%{^ - #define get_buffer() ((void *) 0xB8000) -%} - -extern fun get_buffer():<> buffer = "mac#" -extern prfun eat_buffer (pf: buffer): void -extern fun getref (): [l:addr] vtakeoutptr (writer) - -fun color_value(c : color): uint8 = - case+ c of - | Black() => i2u8 0 - | Blue() => i2u8 1 - | Green() => i2u8 2 - | Cyan() => i2u8 3 - | Red() => i2u8 4 - | Magenta() => i2u8 5 - | Brown() => i2u8 6 - | LightGray() => i2u8 7 - | DarkGray() => i2u8 8 - | LightBlue() => i2u8 9 - | LightGreen() => i2u8 10 - | LightCyan() => i2u8 11 - | LightRed() => i2u8 12 - | Pink() => i2u8 13 - | Yellow() => i2u8 14 - | White() => i2u8 15 - -fun code_value(foreground: color, background:color): uint8 = - (color_value(background) << 4) lor color_value(foreground) - -local -var _val: writer - -in -implement getref () = let - extern praxi __assert{l:addr} (ptr: ptr (l)): vtakeout0 (writer@l) - prval (pf, fpf) = __assert (addr@(_val)) -in - (pf, fpf | addr@(_val)) -end -end - -fun put_char (c : char, writer: &writer) : void = let - val buf = get_buffer() - val pos = writer.position -in - if (c = '\n') then - let - val new_pos = (pos / BUFFER_WIDTH + 1) * BUFFER_WIDTH - in - if (new_pos < N) then - writer.position := new_pos - else - clear_screen() - end - else ( - buf.1->[writer.position] := @{ ascii_character = c, color_code = writer.color_code}; - - if (pos < N - 1) then - writer.position := succ(pos) - else - clear_screen()); - - let prval() = eat_buffer buf in () end -end - - -implement put_string (str : string) : void = let - val (pf, fpf | p_val) = getref() - implement string_foreach$fwork<writer> (c,env) = put_char(c,env) - val _ = string_foreach_env<writer> (g1ofg0(str),!p_val) - prval() = fpf(pf) -in -end - -implement clear_screen() : void = let - val (pf, fpf | p_val) = getref() - fun loop {n : nat | n < N - 1} .<N-n>. (i : int n, wr : &writer) : void = - (put_char('\0', wr); if (i < N - 2) then loop(i+1,wr)) - val () = !p_val := @{position = 0, color_code = code_value(White,Black)} -in - loop(0,!p_val); - !p_val.position := 0; - let prval() = fpf(pf) in () end -end diff --git a/kernel/output/writer.sats b/kernel/output/writer.sats deleted file mode 100644 index 65a2ea9..0000000 --- a/kernel/output/writer.sats +++ /dev/null @@ -1,32 +0,0 @@ -#define BUFFER_HEIGHT 23 -#define BUFFER_WIDTH 80 -#define N BUFFER_HEIGHT * BUFFER_WIDTH - -datatype color = - | Black - | Blue - | Green - | Cyan - | Red - | Magenta - | Brown - | LightGray - | DarkGray - | LightBlue - | LightGreen - | LightCyan - | LightRed - | Pink - | Yellow - | White - - -typedef screenChar = @{ ascii_character = char, color_code = uint8} - -vtypedef buffer = [l : agz] (@[screenChar][N] @ l | ptr l) -typedef writer = @{position = [a:int | a >= 0 && a < N] int (a), color_code = uint8} - -castfn i2u8 {n: nat} (i: int n): uint8 n - -fun put_string (str : string) : void -fun clear_screen() : void diff --git a/kernel/output/print.dats b/kernel/prelude/DATS/print.dats index 9b5def0..5049a98 100644 --- a/kernel/output/print.dats +++ b/kernel/prelude/DATS/print.dats @@ -2,9 +2,8 @@ #define ATS_DYNLOADFLAG 0 - -staload "kernel/output/writer.sats" -staload "kernel/itoa.dats" +staload "lib/SATS/writer.sats" +staload "lib/DATS/itoa.dats" extern fun print_newline() : void implement print_newline() = put_string("\n") diff --git a/kernel/kernel_prelude.hats b/kernel/prelude/kernel_prelude.hats index 048cba1..eb1990d 100644 --- a/kernel/kernel_prelude.hats +++ b/kernel/prelude/kernel_prelude.hats @@ -3,10 +3,10 @@ #include "share/atspre_staload.hats" -staload "kernel/output/writer.sats" +staload "lib/SATS/writer.sats" val () = clear_screen() -staload "kernel/output/print.dats" +staload "./DATS/print.dats" #endif |