diff options
| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-03-07 02:53:37 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-03-07 02:53:37 +0000 |
| commit | ddd126cb2969bec42a4430b7d8fcdd45de4a42c1 (patch) | |
| tree | 283523ab8c113f44f7cee4d75b7e8c4deac85b71 /nuttx/arch/x86/src | |
| parent | dc9631bf8e809702235b43dbc2414eb4a09622f9 (diff) | |
| download | px4-nuttx-ddd126cb2969bec42a4430b7d8fcdd45de4a42c1.tar.gz px4-nuttx-ddd126cb2969bec42a4430b7d8fcdd45de4a42c1.tar.bz2 px4-nuttx-ddd126cb2969bec42a4430b7d8fcdd45de4a42c1.zip | |
Add i486 toolchain support
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3349 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/x86/src')
| -rw-r--r-- | nuttx/arch/x86/src/qemu/qemu_fullcontextrestore.S | 26 | ||||
| -rw-r--r-- | nuttx/arch/x86/src/qemu/qemu_saveusercontext.S | 20 |
2 files changed, 23 insertions, 23 deletions
diff --git a/nuttx/arch/x86/src/qemu/qemu_fullcontextrestore.S b/nuttx/arch/x86/src/qemu/qemu_fullcontextrestore.S index b4704f23a..b9c553fdf 100644 --- a/nuttx/arch/x86/src/qemu/qemu_fullcontextrestore.S +++ b/nuttx/arch/x86/src/qemu/qemu_fullcontextrestore.S @@ -111,34 +111,34 @@ SYMBOL(up_fullcontextrestore): * stack pointer. */ - movl (REG_SP)(%eax), %esp + movl (4*REG_SP)(%eax), %esp /* Save the return address, EFLAGS, and the values as well the * values of EBX and EAC on the new stack. */ - movl (REG_EIP)(%eax), %ebx + movl (4*REG_EIP)(%eax), %ebx push %ebx - movl (REG_EFLAGS)(%eax), %ebx + movl (4*REG_EFLAGS)(%eax), %ebx push %ebx - movl (REG_EAX)(%eax), %ebx + movl (4*REG_EAX)(%eax), %ebx push %ebx - movl (REG_EBX)(%eax), %ebx + movl (4*REG_EBX)(%eax), %ebx push %ebx /* Now restore the remaining registers */ - movl (REG_EDI)(%ebx), %edi - movl (REG_ESI)(%ebx), %esi - movl (REG_EBP)(%ebx), %ebp - movl (REG_EDX)(%ebx), %edx - movl (REG_ECX)(%ebx), %ecx + movl (4*REG_EDI)(%ebx), %edi + movl (4*REG_ESI)(%ebx), %esi + movl (4*REG_EBP)(%ebx), %ebp + movl (4*REG_EDX)(%ebx), %edx + movl (4*REG_ECX)(%ebx), %ecx /* Restore the segment registers */ - mov (REG_DS)(%ebx), %ds - mov (REG_CS)(%ebx), %cs - mov (REG_SS)(%ebx), %ss + mov (4*REG_DS)(%ebx), %ds + mov (4*REG_CS)(%ebx), %cs + mov (4*REG_SS)(%ebx), %ss /* Restore the correct value of EAX, EBX, and the EFLAGS then return */ diff --git a/nuttx/arch/x86/src/qemu/qemu_saveusercontext.S b/nuttx/arch/x86/src/qemu/qemu_saveusercontext.S index 841023b40..3da2d1491 100644 --- a/nuttx/arch/x86/src/qemu/qemu_saveusercontext.S +++ b/nuttx/arch/x86/src/qemu/qemu_saveusercontext.S @@ -121,37 +121,37 @@ SYMBOL(up_saveusercontext): * because it will be the return value from this function. */ - movl %ebx, (REG_EBX)(%eax) - movl %esi, (REG_ESI)(%eax) - movl %edi, (REG_EDI)(%eax) + movl %ebx, (4*REG_EBX)(%eax) + movl %esi, (4*REG_ESI)(%eax) + movl %edi, (4*REG_EDI)(%eax) /* Save the segment registers */ - mov %ss, (REG_SS)(%eax) - mov %cs, (REG_CS)(%eax) - mov %ds, (REG_DS)(%eax) + mov %ss, (4*REG_SS)(%eax) + mov %cs, (4*REG_CS)(%eax) + mov %ds, (4*REG_DS)(%eax) /* Save the value of SP as will be after we return (don't bother to save * REG_ESP). */ leal 4(%esp), %ecx - movl %ecx, (REG_SP)(%eax) + movl %ecx, (4*REG_SP)(%eax) /* Fetch the PC from the stack and save it in the save block */ movl 0(%esp), %ecx - movl %ecx, (REG_EIP)(%eax) + movl %ecx, (4*REG_EIP)(%eax) /* Save the framepointer */ - movl %ebp, (REG_EBP)(%eax) + movl %ebp, (4*REG_EBP)(%eax) /* Get and save the interrupt state */ pushf pop %ecx - movl %ecx, (REG_EFLAGS)(%eax) + movl %ecx, (4*REG_EFLAGS)(%eax) /* And return 0. 'ret' will remove the EIP from the top of the stack. */ |