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Author SHA1 Message Date
t3hn3rd a701db871e Fix: missing imports in wasmio.pas
continuous-integration/drone/push Build is passing
2026-03-05 23:46:24 +00:00
t3hn3rd d0425a41e3 feature: WASM execution pipeline, file dispatch, RAM drive, and VFS handle table
- Add file-type dispatch registry (filedispatch.pas) matching files by
  magic header bytes and routing to registered handlers
- Add WASM integration layer: wasmshim, wasmio, wasmrunner, wasmcleanup
  providing full WASI Preview1 bridging (fd_write/read, proc_exit,
  clock, random, args passthrough, environ stubs)
- Add RAM drive (ramdrive.pas) providing in-memory VFS at /disk/ram
  with a built-in hello world WASM binary
- (Placeholder) Implement VFS handle table for proper
  open/read/write/close/filesize routing through registered drives
  and devices
- Integrate file dispatch into vterminal for unknown commands, supporting
  both foreground and background execution of dispatched files
- Expand progmanager init with PS, KILL, TERMINATE, DEV, DISK, MEMRAW,
  BSOD, IFCONFIG, ARP, and TCP commands; wire up ramdrive, filedispatch,
  and wasmrunner initialization
- Replace serial.sendString with syslog.logln in desktop launcher
2026-03-05 20:18:16 +00:00
t3hn3rd 463b746b82 fix: drone pipeline not working
continuous-integration/drone/push Build is passing
- compile_wasuro.sh was copying files to the /code directory which
  is not where drone builds from, fixed to use $(pwd) and relative
  directories based on the root.
2026-03-04 17:38:56 +00:00
t3hn3rd 7d518418c2 Merge branch 'feature/memory-allocation-optimization' into feature/wasm
continuous-integration/drone/push Build is failing
# Conflicts:
#	src/kernel.pas
#	src/lmemorymanager.pas
#	src/progmanager.pas
2026-03-04 11:29:00 +00:00
t3hn3rd 8b4335768b refactor(memory): complete PMM/VMM/LMM rewrite - bitmap allocators, bug fixes, hardening
continuous-integration/drone/push Build is passing
continuous-integration/drone/pr Build is passing
PMM Rewrite:
- Replace ~8KB record array with compact bitmaps
  (PhysPresent/PhysAlloc/PhysScanned, 128B each)
- Add PhysOwner[0..1023] for per-block ownership tracking
- new_block: O(1) amortised via NextFreeHint + dword-level BSF scan,
  returns 0 as OOM sentinel
- free_block: O(1) direct bit clear with double-free detection
- alloc_block: validates PhysPresent and PhysAlloc bits before allocation
- Add pmm_free_blocks/pmm_total_blocks stats functions

VMM Correctness Fixes:
- Fix free_page block extraction (Address SHR 10, was using
  raw Address field)
- Fix invlpg operand (use virtual address, was passing PDE index)
- Clear PDE entry on free_page before returning block to PMM
- Remove map_page double-write (delegate to map_page_ex only)
- Add OOM propagation (new_page returns false if PMM returns 0)
- Fix missing pop_trace in new_page error path

LMM Rewrite:
- Replace per-entry record array with bitmap allocator
  (93% vs 43% page efficiency)
- Layout: Header(24B) + Bitmap(64512B) + Padding + Data at 0x10000
- SIZE_PREFIX=16 for 16-byte aligned returns (SSE MOVAPS requirement)
- Next-fit bitmap scan with roving hint (NextFree) and dword-level
  fast skip
- Large alloc sentinel (LARGE_ALLOC_MAGIC=$FFFFFFFE) so kfree detects
  klalloc'd memory
- Implement klfree (was previously a no-op - pages could never
  be returned)
- Implement try_release_page (return fully-free heap pages to VMM/PMM)
- Fix interrupt safety: stack-balanced pushfd/cli/pop +
  restore_if (sti only)
  Fixes Bad TSS caused by popfd restoring dangerous EFLAGS bits (NT, IOPL)
- Zero memory via rep stosd instead of byte-by-byte loop

Hardening:
- kalloc OOM now triggers BSOD instead of returning nil
  (90% of callers don't check)
- Double-free detection in kfree (verify bitmap bits set before clearing)
- Guard bytes ({$IFDEF DEBUG_LMM}): $DEADBEEF sentinel for buffer overrun detection
- kpalloc: bounds check (block >= 1024 -> GPF) + syslog MMIO mapping audit log

Observability:
- Add MEMINFO command as src/prog/meminfo.pas (moved from inline kernel.pas)
- Displays multiboot memory, PMM block stats, LMM heap stats
- Register via progmanager.pas following standard prog pattern

Files changed:
- src/pmemorymanager.pas
- src/vmemorymanager.pas
- src/lmemorymanager.pas
- src/kernel.pas
- src/progmanager.pas
- src/prog/meminfo.pas
2026-03-04 10:36:09 +00:00
t3hn3rd 91cd005361 feat: integrate Wasuro WASM runtime into Asuro build chain
continuous-integration/drone/push Build is failing
- Add compile_wasuro.sh to sparse-clone Wasuro src/wasm from gitea
  (develop branch) with caching to skip redundant pulls
- Update compile.sh to include wasuro build step in pipeline
- Update compile_sources.sh to dynamically discover -Fu paths via
  find across src/ and wasuro/ directories
- Extend system.pas with FPC 3.2.2 compilerprocs required by Wasuro:
  - 64-bit signed/unsigned div and mod (fpc_div_int64, fpc_mod_int64,
    fpc_div_qword, fpc_mod_qword) with correct i386 parameter mapping
  - 64-bit multiply (fpc_mul_int64) via three 32-bit MUL instructions
  - Float-to-integer intrinsics (Trunc, Round) using x87 FPU
  - Memory allocation compilerprocs (fpc_getmem, fpc_freemem)
    delegating to kernel kalloc/kfree
  - Exception handling stubs (reraise, raiseexception, catches, doneexception)
  - setjmp/longjmp for exception address stack
  - Fix sInt64 type alias (was longint/32-bit, now int64/64-bit)
  - Add serial debug helpers (COM1 $3F8) for bare-metal tracing
- Wire up Wasuro in kernel.pas: init WASM VM, set I/O callback to
  syslog, and run all 1103 Wasuro tests (0 failures)
- Update .gitignore to exclude wasuro/ cache directory
2026-03-03 23:20:02 +00:00
t3hn3rd 99fd5507ca Merge branch 'feature/vtop-fix' into feature/process-management
continuous-integration/drone/push Build is passing
2026-03-03 19:11:47 +00:00
t3hn3rd 035d489c4f feature: preemptive process management - implementation progress
continuous-integration/drone/push Build is passing
Implement a preemptive multitasking system for the Asuro kernel.

Context Switching & Scheduling:
- Custom IRQ0 ISR (contextswitcher.pas) with PUSHAD/POPAD ESP-swap
- Round-robin scheduler with priority-based quantum
- Process table using DList of PProcessContext pointers
- Idle process (PID 0) replaces kernel HLT loop

Process Lifecycle:
- create/kill/terminate/sendMessage API (processmanager.pas)
- Process states: Created, Running, Ready, Suspended, Awaiting,
  Finished, Error
- Parent-child tracking (ParentID, smChildExited notification on reap)
- proc_yield, proc_sleep_ms, proc_await, proc_suspend, proc_exit

Resource Binding & Cleanup:
- Per-process resource list
  (bindResource/unbindResource/unbindAllResources)
- TCP sockets auto-bound to owning process (OwnerPID on TTCPSocket)
- socket_cleanup + auto-unbind in DestroySocket

VTerminal Refactor:
- Multi-instance design (heap-allocated TVTermState per terminal)
- Foreground process with incremental stdout/stderr drain via LVGL timer
- Ctrl+C kills foreground process (killForeground)
- Per-terminal CWD, dir stack, FS builtins (CD/LS/PUSHD/POPD)
- Background job support (& suffix, JOBS/FG commands)
- Command history (Up/Down arrow)

Command Consolidation:
- 14 commands extracted from 9 units into centralized progmanager.pas
- Command procedures exported in host unit interfaces
- E1000/TRACER/stdio builtins kept in-place (conditional/circular)

New Units:
- src/include/proctypes.pas — process type definitions
- src/processmanager.pas — core process manager
- src/prog/ping.pas — standalone ICMP ping process
- src/prog/testcmd.pas — test command (proc_sleep_ms demo)
- src/testprocs.pas — process subsystem smoke tests

Misc:
- ICMP callbacks gain userData parameter for concurrency-safe ping
- CLI/STI guards on kalloc/kfree (lmemorymanager.pas)
- LV_KEY_CTRLC constant + Ctrl+C interception in LVGL keyboard hook
- Window owner PID tracking (windows.pas)
- ISR_32 gate override support (isrmanager.pas)
2026-03-03 19:02:21 +00:00
t3hn3rd 5e9d0004d7 feature: implement TCP (RFC 793) protocol driver
continuous-integration/drone/push Build is passing
Add full TCP/IP stack implementation at L4 alongside UDP and ICMP.

Core Protocol Engine:
- TCP types in nettypes.pas (header, TCB, state enum, error codes,
  callbacks, OOO entry, socket structures)
- 3-way handshake (active & passive OPEN)
- Reliable data transfer with ACK and sequence number tracking
- Graceful close (FIN_WAIT, CLOSE_WAIT, LAST_ACK, TIME_WAIT)
- RST send/receive handling
- Retransmission with exponential backoff (max 5 attempts)
- Pseudo-header based checksum (RFC 793)

Server Support:
- LISTEN → SYN_RECEIVED → ESTABLISHED passive open path
- Listen backlog enforcement (configurable per-socket)
- accept() to retrieve established child connections

Robustness & Hardening:
- Delayed ACK timer (~200ms)
- Nagle's algorithm (buffer small sends while unACKed data pending)
- Jacobson/Karels RTT estimation with adaptive RTO
- Congestion control (slow start / congestion avoidance)
- Zero-window probing with exponential backoff
- MSS option negotiation in SYN/SYN-ACK (Kind=2, Len=4)
- Keep-alive (30s idle, 10s interval, 5 probes)
- Out-of-order segment reassembly (4-slot buffer)

Terminal & Testing:
- tcpconnect: active open + send "Hello, World!"
- tcplisten: passive open with syslog output
- tcphttp: HTTP/1.0 GET client

Also add push_trace() instrumentation to net, eth2, arp, ipv4,
icmp, udp, and dhcp entry points for call tracing, and register
tcp in net.init.
2026-03-03 10:55:50 +00:00
85 changed files with 5246 additions and 19965 deletions

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+1 -1
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@@ -14,6 +14,6 @@ localenv.json
/lvgl/
dockerout.txt
AGENTS.md
lessons_learnt.md
*.log
/doc/*.md
wasuro
+1
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@@ -24,6 +24,7 @@ declare -a run_steps=(
"compile_stub.sh" "Failed to compile stub!"
"compile_vergen.sh" "Versions failed to compile"
"compile_lvgl.sh" "Failed to compile LVGL!"
"compile_wasuro.sh" "Failed to pull Wasuro!"
"compile_sources.sh" "Failed to compile FPC Sources!"
"compile_link.sh" "Failed linking!"
"compile_isogen.sh" "Failed to create ISO!"
+7 -21
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@@ -1,7 +1,7 @@
#!/usr/bin/env bash
# compile_lvgl.sh — Download LVGL v9.2 source and compile into lib/liblvgl.a
# Clone & compile in /tmp (fast container-local fs).
# Cache liblvgl.a on host mount (/code/lvgl/) to skip rebuild.
# Copy source + objects to /lvgl (host mount) for debugging.
set -e
LVGL_VERSION="v9.2.2"
@@ -10,7 +10,6 @@ LVGL_DIR="/tmp/lvgl"
OBJ_DIR="/tmp/lvgl_obj"
CONF_DIR="$(pwd)/lvglh"
OUT_DIR="$(pwd)/lib"
CACHE_DIR="/code/lvgl"
CC="gcc"
CFLAGS="-m32 -march=i686 -ffreestanding \
@@ -27,17 +26,6 @@ echo " "
echo "Compiling LVGL..."
echo " "
# If cached liblvgl.a exists on host mount, just copy it and skip everything
if [ -f "${CACHE_DIR}/liblvgl.a" ]; then
echo "Found cached liblvgl.a in ${CACHE_DIR}, copying to ${OUT_DIR}..."
cp "${CACHE_DIR}/liblvgl.a" "${OUT_DIR}/liblvgl.a"
echo "(Delete lvgl/liblvgl.a to force a full rebuild.)"
echo " "
echo "LVGL compilation complete (cached)."
echo " "
exit 0
fi
# Clone LVGL into /tmp (container-local)
rm -rf "$LVGL_DIR"
echo "Downloading LVGL ${LVGL_VERSION}..."
@@ -117,14 +105,12 @@ else
echo "No custom LVGL files in lvglh/."
fi
# Cache liblvgl.a and source to host mount for next build
echo "Caching LVGL to host mount..."
mkdir -p "$CACHE_DIR"
rm -rf ${CACHE_DIR}/* ${CACHE_DIR}/.[!.]* ${CACHE_DIR}/..?* 2>/dev/null || true
cp "${OUT_DIR}/liblvgl.a" "${CACHE_DIR}/liblvgl.a"
cp -a "$LVGL_DIR/src" "${CACHE_DIR}/src"
cp -a "$LVGL_DIR"/*.h "${CACHE_DIR}/" 2>/dev/null || true
cp -a "$OBJ_DIR" "${CACHE_DIR}/obj"
# Copy source + objects to /lvgl host mount for debugging
echo "Copying LVGL source and objects to host mount..."
mkdir /code/lvgl 2>/dev/null || true
rm -rf /code/lvgl/* /code/lvgl/.[!.]* /code/lvgl/..?* 2>/dev/null || true
cp -a "$LVGL_DIR/src" /code/lvgl/src
cp -a "$OBJ_DIR" /code/lvgl/obj
echo "Done."
echo " "
+1
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@@ -4,6 +4,7 @@ echo "======================="
echo " "
echo "Compiling FPC Sources..."
echo " "
# Build -Fu flags for all directories under src/ and wasuro/
FU_PATHS="-Fusrc -Fuwasuro"
for dir in $(find src wasuro -type d 2>/dev/null); do
+43
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@@ -0,0 +1,43 @@
#!/usr/bin/env bash
# compile_wasuro.sh — Pull Wasuro WASM runtime source into wasuro/
# Clones the repo (sparse, src/wasm only) and copies the Pascal sources
# into $PWD/wasuro so the FPC build can reference them via -Fu.
set -e
WASURO_REPO="https://gitea.spexeah.com/Spexeah/Wasuro.git"
WASURO_BRANCH="develop"
WASURO_TMP="/tmp/wasuro"
WASURO_OUT="$(pwd)/wasuro"
echo " "
echo "======================="
echo " "
echo "Pulling Wasuro WASM runtime..."
echo " "
# Skip if wasuro/ already has .pas files (cached from previous build)
if [ -n "$(find "${WASURO_OUT}" -name '*.pas' 2>/dev/null | head -1)" ]; then
echo "Wasuro sources already present in ${WASURO_OUT}, skipping pull."
echo " "
exit 0
fi
# Clone sparse checkout (only src/wasm)
rm -rf "$WASURO_TMP"
git clone --depth 1 --branch "${WASURO_BRANCH}" --filter=blob:none --sparse \
"${WASURO_REPO}" "${WASURO_TMP}" 2>&1
cd "$WASURO_TMP"
git sparse-checkout set src/wasm 2>&1
cd -
echo "Copying src/wasm to ${WASURO_OUT}..."
rm -rf "$WASURO_OUT"
mkdir -p "$WASURO_OUT"
cp -a "${WASURO_TMP}/src/wasm/"* "$WASURO_OUT"/
rm -rf "$WASURO_TMP"
TOTAL=$(find "$WASURO_OUT" -name '*.pas' | wc -l)
echo "Copied ${TOTAL} Pascal source files."
echo " "
echo "Wasuro pull complete."
echo " "
-32
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@@ -1,32 +0,0 @@
#Flat filesystem
A super simple filesystem for asuro. Folders are emulated in filenames.
Starts with disk info sector, sector 0 of volume
---
#### disk info
jmp2boot : ubit24;
OEMName : array[0..7] of char;
version : uint16 // numerical version of filesystem
sectorCount : uint16;
fileCount : uint16
signature : uint32 = 0x0B00B1E5
the Rest of the sector is reserved
---
Starting from sector 1 is the file table. Table size is determined by entry size (64) * fileCount
---
####File entry
name : array[0..59] of char //file name max 60 chars
fileStart : 16bit // start sector of data
fileSize : 16bit // data size in sectors
---
Generated
-1
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@@ -1 +0,0 @@
Hello from the Asuro ISO!
+4 -1
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@@ -29,11 +29,14 @@ unit contextswitcher;
interface
uses
idt, isrmanager, processmanager, proctypes, util, tracer;
idt, isrmanager, processmanager, proctypes, util, syslog, tracer;
{ Initialise: overwrite IDT gate 32 with our custom ISR. }
procedure init;
{ No idle ESP variable needed — idle is now a formal process (PID 0)
with its SavedESP managed like any other process. }
implementation
{ -----------------------------------------------------------------------
-31
View File
@@ -91,7 +91,6 @@ function getDeviceInfo(class_code : uint8; subclass_code : uint8; prog_if : uint
procedure requestConfig(bus : uint8; slot : uint8; func : uint8; row : uint8);
procedure writeConfig(bus: uint8; slot : uint8; func : uint8; row : uint8; val : uint32);
procedure setBusMaster(bus : uint8; slot : uint8; func : uint8; master : boolean);
procedure enableDevice(bus : uint8; slot : uint8; func : uint8);
implementation
@@ -443,34 +442,4 @@ begin
pop_trace;
end;
//Enable device inturrupts and set bus master
procedure enableDevice(bus : uint8; slot : uint8; func : uint8);
var
addr : uint32;
cmd : uint32;
begin
push_trace('PCI.enableDevice');
addr := ($1 shl 31);
addr := addr or (bus shl 16);
addr := addr or ((slot) shl 11);
addr := addr or ((func) shl 8);
addr := addr or ($04 and $FC);
outl(PCI_CONFIG_ADDRESS_PORT, addr);
cmd := inl(PCI_CONFIG_DATA_PORT);
cmd := cmd or PCI_COMMAND_MEM_SPACE;
cmd := cmd or PCI_COMMAND_BUS_MASTER;
cmd := cmd or (3 shl 1);
//enable interrupts, remove disable interrupt bit maybe
cmd := cmd and not PCI_COMMAND_INT_DISABLE;
// cmd := cmd and not (1 shl 9);
outl(PCI_CONFIG_ADDRESS_PORT, addr);
outl(PCI_CONFIG_DATA_PORT, cmd);
pop_trace;
end;
end.
+1 -4
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@@ -957,14 +957,11 @@ end;
procedure usb_check_hotplug;
var
i : uint32;
count: uint32;
hc : PUSBHCDriver;
port : uint8;
begin
if HCList = nil then exit;
count := LL_Size(HCList);
if count = 0 then exit;
for i := 0 to count - 1 do begin
for i := 0 to LL_Size(HCList) - 1 do begin
hc := PUSBHCDriver(LL_Get(HCList, i));
if (hc <> nil) and hc^.PortChangePending then begin
hc^.PortChangePending := false;
+1 -5
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@@ -119,12 +119,8 @@ var
x32, y32 : sint32;
r : pchar;
begin
{ mouse_wait(0) checks OBF with a short timeout (100 iterations).
When it returns true, data is ready — read it directly with inb($60).
Do NOT call mouse_read here: it uses mouse_wait_long (100k iterations)
and would spin-block the ISR if the next packet byte hasn't arrived yet. }
while mouse_wait(0) do begin
b := inb($60);
b := mouse_read;
if Cycle = 0 then begin
if (b AND $08) = $08 then begin
Mouse_Byte[Cycle] := b;
-24
View File
@@ -21,29 +21,6 @@ unit drivertypes;
interface
const
PCI_CONFIG_ADDRESS_PORT = $0CF8;
PCI_CONFIG_DATA_PORT = $0CFC;
PCI_COMMAND_IO_SPACE = $0001;
PCI_COMMAND_MEM_SPACE = $0002;
PCI_COMMAND_BUS_MASTER = $0004;
PCI_COMMAND_SPECIAL_CYC = $0008;
PCI_COMMAND_MEM_WRITE = $0010;
PCI_COMMAND_VGA_PALETTE = $0020;
PCI_COMMAND_PARITY = $0040;
PCI_COMMAND_WAIT = $0080;
PCI_COMMAND_SERR = $0100;
PCI_COMMAND_FAST_BACK = $0200;
PCI_COMMAND_INT_DISABLE = $0400;
PCI_COMMAND_SERR_ENABLE = $8000;
PCI_CAP_ID_MSI = $05;
// Bits in the MSI Control register (16-bit):
MSI_CONTROL_ENABLE = 1 shl 0; // Bit 0
MSI_CONTROL_64BIT = 1 shl 7; // Bit 7
MSI_CONTROL_PVMASK = 1 shl 8; // Bit 8 (optional: per-vector masking)
type
PPCI_Device = ^TPCI_Device;
@@ -67,7 +44,6 @@ type
address1 : uint32;
address2 : uint32;
address3 : uint32;
address4 : uint32;
address5 : uint32;
CIS_pointer : uint32;
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+85
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@@ -0,0 +1,85 @@
// Copyright 2021 Aaron Hance
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
{
Drivers->Storage->ATA_ISR - Primary ATA IRQ.
@author(Aaron Hance <[email protected]>)
}
unit ATA_ISR;
interface
uses
util,
syslog,
isr_types,
isrmanager,
IDT;
procedure register();
procedure hook(hook_method : uint32);
procedure unhook(hook_method : uint32);
implementation
var
Hooks : Array[1..MAX_HOOKS] of pp_hook_method;
procedure Main(); interrupt;
var
i : integer;
begin
CLI;
for i:=0 to MAX_HOOKS-1 do begin
if uint32(Hooks[i]) <> 0 then Hooks[i](void($00000000));
end;
syslog.writestringln('Disk Operation Complete');
end;
procedure register();
begin
memset(uint32(@Hooks[0]), 0, sizeof(pp_hook_method)*MAX_HOOKS);
//isrmanager.registerISR(76, @Main);
//IDT.set_gate(76, uint32(@Main), $08, ISR_RING_0);
end;
procedure hook(hook_method : uint32);
var
i : uint32;
begin
for i:=0 to MAX_HOOKS-1 do begin
if uint32(Hooks[i]) = hook_method then exit;
end;
for i:=0 to MAX_HOOKS-1 do begin
if uint32(Hooks[i]) = 0 then begin
Hooks[i]:= pp_hook_method(hook_method);
exit;
end;
end;
end;
procedure unhook(hook_method : uint32);
var
i : uint32;
begin
for i:=0 to MAX_HOOKS-1 do begin
If uint32(Hooks[i]) = hook_method then Hooks[i]:= nil;
exit;
end;
end;
end.
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@@ -1,120 +0,0 @@
{
Driver->Storage->FilesystemManager - Filesystem driver registry and routing.
Filesystem drivers (FAT32, FlatFS, etc.) register themselves here.
When VolumeManager discovers a volume, FilesystemManager probes it
against all registered filesystem drivers to detect the filesystem type.
@author(Aaron Hance <[email protected]>)
}
unit filesystemmanager;
interface
uses
lists,
lmemorymanager,
storagetypes,
strings,
tracer,
util;
var
filesystems : PLinkedListBase;
procedure init();
procedure register_filesystem(filesystem : PFilesystem);
function get_filesystem_count() : uint32;
function get_filesystem(index : uint32) : PFilesystem;
function find_filesystem_by_name(name : pchar) : PFilesystem;
function find_filesystem_by_id(system_id : uint8) : PFilesystem;
procedure probe_volume(volume : PStorage_Volume);
implementation
procedure init();
begin
push_trace('FilesystemManager.init');
filesystems := LL_New(sizeof(TFilesystem));
end;
procedure register_filesystem(filesystem : PFilesystem);
var
elm : void;
begin
push_trace('FilesystemManager.register_filesystem');
elm := LL_Add(filesystems);
memcpy(uint32(filesystem), uint32(elm), sizeof(TFilesystem));
end;
function get_filesystem_count() : uint32;
begin
get_filesystem_count := LL_Size(filesystems);
end;
function get_filesystem(index : uint32) : PFilesystem;
begin
if index < LL_Size(filesystems) then
get_filesystem := PFilesystem(LL_Get(filesystems, index))
else
get_filesystem := nil;
end;
function find_filesystem_by_name(name : pchar) : PFilesystem;
var
i : uint32;
fs : PFilesystem;
begin
push_trace('FilesystemManager.find_filesystem_by_name');
find_filesystem_by_name := nil;
for i := 0 to LL_Size(filesystems) - 1 do begin
fs := PFilesystem(LL_Get(filesystems, i));
if stringEquals(fs^.sName, name) then begin
find_filesystem_by_name := fs;
exit;
end;
end;
end;
function find_filesystem_by_id(system_id : uint8) : PFilesystem;
var
i : uint32;
fs : PFilesystem;
begin
push_trace('FilesystemManager.find_filesystem_by_id');
find_filesystem_by_id := nil;
for i := 0 to LL_Size(filesystems) - 1 do begin
fs := PFilesystem(LL_Get(filesystems, i));
if fs^.system_id = system_id then begin
find_filesystem_by_id := fs;
exit;
end;
end;
end;
procedure probe_volume(volume : PStorage_Volume);
var
i : uint32;
fs : PFilesystem;
begin
push_trace('FilesystemManager.probe_volume.enter');
{ Try each registered filesystem's identify callback against this volume }
for i := 0 to LL_Size(filesystems) - 1 do begin
fs := PFilesystem(LL_Get(filesystems, i));
if fs^.identifyCallback <> nil then begin
push_trace('FilesystemManager.probe_volume.tryFS');
if fs^.identifyCallback(volume) then begin
volume^.filesystem := fs;
push_trace('FilesystemManager.probe_volume.found');
exit;
end;
end;
end;
push_trace('FilesystemManager.probe_volume.exit');
end;
end.
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