17 lines
442 B
Text
17 lines
442 B
Text
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- Don't use 'rep insb' to read IO ports, vmm does not support that yet.
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Index: src/fw/paravirt.c
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--- src/fw/paravirt.c.orig
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+++ src/fw/paravirt.c
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@@ -310,7 +310,9 @@ qemu_cfg_read(void *buf, int len)
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if (qemu_cfg_dma_enabled()) {
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qemu_cfg_dma_transfer(buf, len, QEMU_CFG_DMA_CTL_READ);
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} else {
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- insb(PORT_QEMU_CFG_DATA, buf, len);
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+ u8 *d = buf;
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+ while (len-- > 0)
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+ *d++ = inb(PORT_QEMU_CFG_DATA);
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}
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}
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