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| author | H. Peter Anvin <hpa@zytor.com> | 2008-02-12 16:53:20 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2008-02-12 16:53:20 -0800 |
| commit | 4980115d540a6ccfcfb141312c7f4f017972d316 (patch) | |
| tree | 7698e7bc3822bf45b0e188803a28193e44ec1d7f | |
| parent | fc38cbecfcdb8237f22e8def62bced022260b035 (diff) | |
| download | syslinux-4980115d540a6ccfcfb141312c7f4f017972d316.tar.gz | |
Change the minimum number of shuffle descriptors to 64.
Only use 64 as a static guarantee of the number of shuffle
descriptors; corresponding to 768 bytes of memory.
| -rw-r--r-- | com32/lib/syslinux/shuffle.c | 2 | ||||
| -rw-r--r-- | doc/comboot.doc | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/com32/lib/syslinux/shuffle.c b/com32/lib/syslinux/shuffle.c index bb020a15..708382c7 100644 --- a/com32/lib/syslinux/shuffle.c +++ b/com32/lib/syslinux/shuffle.c @@ -64,7 +64,7 @@ static void __constructor __syslinux_get_desc_block_size(void) reg.eax.w[0] = 0x0011; __intcall(0x22, ®, ®); - desc_block_size = (reg.eflags.l & EFLAGS_CF) ? 256 : reg.ecx.w[0]; + desc_block_size = (reg.eflags.l & EFLAGS_CF) ? 64 : reg.ecx.w[0]; } /* Allocate descriptor memory in these chunks */ diff --git a/doc/comboot.doc b/doc/comboot.doc index 9324e4e4..46afc64c 100644 --- a/doc/comboot.doc +++ b/doc/comboot.doc @@ -561,9 +561,9 @@ AX=0011h [3.05] Maximum number of shuffle descriptors Output: CX maximum number of descriptors This routine reports the maximum number of shuffle descriptors - permitted in a call to function 0012h. + permitted in a call to functions 0012h, 001Ah and 001Bh. - This is guaranteed to be at least 256. For the current + This is guaranteed to be at least 64. For the current version, this is 682 for all derivatives. |