Changeset 3e828ea in mainline for uspace/lib/c/arch/arm64/src/crt0.S

Timestamp:

2019-09-23T12:49:29Z (7 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/fix-logger-deadlock, topic/msim-upgrade, topic/simplify-dev-export

Children:

9be2358

Parents:

9259d20 (diff), 1a4ec93f (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

git-author:

Jiri Svoboda <jiri@…> (2019-09-22 12:49:07)

git-committer:

Jiri Svoboda <jiri@…> (2019-09-23 12:49:29)

Message:

Merge changes from master, especially Meson build

File:

• uspace/lib/c/arch/arm64/src/crt0.S (moved) (moved from doxygen/Makefile ) (2 diffs)

uspace/lib/c/arch/arm64/src/crt0.S

@@ -1 +1 @@
 #
-# Copyright (c) 2017 Jiri Svoboda
+# Copyright (c) 2015 Petr Pavlu
 # All rights reserved.
 #
@@ -27 +27 @@
 #
 
-cfg_file = doxygen.cfg
-gen_cfg = doxygen.cfg.gen
-patch_file = doxygen.cfg.diff
-output_dirs = latex html
+#include <abi/asmtool.h>
 
-all: doxygen.cfg
-        doxygen $^
+.text
 
-clean:
-        rm -f $(gen_cfg) $(cfg_file)
-        rm -rf $(output_dirs)
+.org 0
 
-$(cfg_file): $(gen_cfg)
-        cp $^ $@
-        patch $@ $(patch_file)
+## User-space task entry point
+#
+# x0 contains the PCB pointer
+#
+SYMBOL(_start)
+        #
+        # Create the first stack frame.
+        #
+        mov x29, #0
+        stp x29, x30, [sp, #-16]!
+        mov x29, sp
 
-$(gen_cfg):
-        doxygen -g $@
+        # Pass pcb_ptr to __c_start as the first argument (in x0)
+        bl __c_start