PCI IDE Controller: Difference between revisions
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| [unchecked revision] | [unchecked revision] |
Content deleted Content added
m Interwiki |
m Added a "serious bugs" warning to the code for "ide_read_buffer()" |
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| Line 297: | Line 297: | ||
void ide_read_buffer(unsigned char channel, unsigned char reg, unsigned int buffer, |
void ide_read_buffer(unsigned char channel, unsigned char reg, unsigned int buffer, |
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unsigned int quads) { |
unsigned int quads) { |
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/* WARNING: This code contains a serious bug. The inline assembly trashes ES and |
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* ESP for all of the code the compiler generates between the inline |
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* assembly blocks. |
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*/ |
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if (reg > 0x07 && reg < 0x0C) |
if (reg > 0x07 && reg < 0x0C) |
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ide_write(channel, ATA_REG_CONTROL, 0x80 | channels[channel].nIEN); |
ide_write(channel, ATA_REG_CONTROL, 0x80 | channels[channel].nIEN); |
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