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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-01-15 15:40:18 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-01-15 15:40:18 +0000 |
| commit | fa14e61b3b4bca193293aba75f7ee106cbe4dd69 (patch) | |
| tree | ac5859a191e82fae017790748289f326790342b7 /nuttx/arch/arm/src/armv7-m/vfork.S | |
| parent | 033512b6c83b46c4c052499faba7cc4b02ff4153 (diff) | |
| download | px4-nuttx-fa14e61b3b4bca193293aba75f7ee106cbe4dd69.tar.gz px4-nuttx-fa14e61b3b4bca193293aba75f7ee106cbe4dd69.tar.bz2 px4-nuttx-fa14e61b3b4bca193293aba75f7ee106cbe4dd69.zip | |
Implement vfork() for the MIPS32 architecture
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5520 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/arm/src/armv7-m/vfork.S')
| -rw-r--r-- | nuttx/arch/arm/src/armv7-m/vfork.S | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/armv7-m/vfork.S b/nuttx/arch/arm/src/armv7-m/vfork.S index 386fca33c..f36ff23aa 100644 --- a/nuttx/arch/arm/src/armv7-m/vfork.S +++ b/nuttx/arch/arm/src/armv7-m/vfork.S @@ -108,6 +108,7 @@ vfork: mov r0, sp /* Save the value of the stack on entry */ sub sp, sp, #VFORK_SIZEOF /* Allocate the structure on the stack */ + /* CPU registers */ /* Save the volatile registers */ str r4, [sp, #VFORK_R4_OFFSET] @@ -124,6 +125,8 @@ vfork: str r0, [sp, #VFORK_SP_OFFSET] str lr, [sp, #VFORK_LR_OFFSET] + /* Floating point registers (not yet) */ + /* Then, call up_vfork(), passing it a pointer to the stack structure */ mov r0, sp |