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| author | Jonathan Mini <mini@FreeBSD.org> | 2002-09-16 19:25:08 +0000 |
|---|---|---|
| committer | Jonathan Mini <mini@FreeBSD.org> | 2002-09-16 19:25:08 +0000 |
| commit | 575525a0005f266a0dee465d9df7127bfeef2c24 (patch) | |
| tree | 1422f3e0eee520ddbe0818b7dcdb3a3c7f038166 /sys/amd64/amd64/support.S | |
| parent | f990583656178b1520a28b726c285a2f3fe4b353 (diff) | |
| download | src-575525a0005f266a0dee465d9df7127bfeef2c24.tar.gz src-575525a0005f266a0dee465d9df7127bfeef2c24.zip | |
Add kernel support needed for the KSE-aware libpthread:
- Maintain fpu state across signals.
- Use ucontext_t's to store KSE thread state.
- Synthesize state for the UTS upon each upcall, rather than
saving and copying a trapframe.
- Save and restore FPU state properly in ucontext_t's.
Reviewed by: deischen, julian
Approved by: -arch
Notes
Notes:
svn path=/head/; revision=103407
Diffstat (limited to 'sys/amd64/amd64/support.S')
| -rw-r--r-- | sys/amd64/amd64/support.S | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/sys/amd64/amd64/support.S b/sys/amd64/amd64/support.S index 23c611cfbd25..6e3286ed8fee 100644 --- a/sys/amd64/amd64/support.S +++ b/sys/amd64/amd64/support.S @@ -976,7 +976,7 @@ ENTRY(i586_copyin) ENTRY(fastmove) pushl %ebp movl %esp,%ebp - subl $PCB_SAVE87_SIZE+3*4,%esp + subl $PCB_SAVEFPU_SIZE+3*4,%esp movl 8(%ebp),%ecx cmpl $63,%ecx @@ -1018,7 +1018,7 @@ ENTRY(fastmove) movl PCPU(CURPCB),%esi addl $PCB_SAVEFPU,%esi cld - movl $PCB_SAVE87_SIZE>>2,%ecx + movl $PCB_SAVEFPU_SIZE>>2,%ecx rep movsl movl -12(%ebp),%ecx @@ -1102,7 +1102,7 @@ fastmove_loop: addl $PCB_SAVEFPU,%edi movl %esp,%esi cld - movl $PCB_SAVE87_SIZE>>2,%ecx + movl $PCB_SAVEFPU_SIZE>>2,%ecx rep movsl movl -12(%ebp),%ecx @@ -1147,7 +1147,7 @@ fastmove_fault: addl $PCB_SAVEFPU,%edi movl %esp,%esi cld - movl $PCB_SAVE87_SIZE>>2,%ecx + movl $PCB_SAVEFPU_SIZE>>2,%ecx rep movsl |