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Lines 19-24
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| 19 |
#endif |
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#endif |
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#include <unistd.h> |
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#include <unistd.h> |
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#include <sys/types.h> |
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#include <signal.h> |
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#include <X11/Xos.h> |
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#include <X11/Xos.h> |
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#include "xf86.h" |
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#include "xf86.h" |
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Lines 203-208
stack_trace(xf86Int10InfoPtr pInt)
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xf86ErrorFVerb(3, "\n"); |
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xf86ErrorFVerb(3, "\n"); |
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} |
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} |
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enum port_action_e { |
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PORT_ACTION_PERMIT, |
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PORT_ACTION_WARN, |
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PORT_ACTION_BAIL, |
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PORT_ACTION_MAX |
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}; |
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static const struct port_range { |
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CARD16 start, end; |
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enum port_action_e access; |
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} port_range_table[] = { |
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// NOTE: port ranges are non overlapping and sorted |
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{ 0x00, 0x1f, PORT_ACTION_BAIL }, // DMA |
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{ 0x20, 0x21, PORT_ACTION_BAIL }, // PIC |
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{ 0x40, 0x47, PORT_ACTION_BAIL }, // PIT 1&2 |
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{ 0x50, 0x53, PORT_ACTION_BAIL }, |
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{ 0x70, 0x77, PORT_ACTION_BAIL }, // CMOS/RTC |
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{ 0x81, 0x8f, PORT_ACTION_BAIL }, // DIAG REGS |
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{ 0xa0, 0xa1, PORT_ACTION_BAIL }, // PIC2 |
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{ 0xc0, 0xdf, PORT_ACTION_BAIL }, // DMA |
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}; |
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#define ARRAY_SIZE(X) (sizeof((X)) / (sizeof(*(X)))) |
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#define ARRAY_END(X) (&((X)[ARRAY_SIZE(X)])) |
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static void assert_port_access_allowed (CARD16 port, CARD16 width) |
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{ |
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CARD16 access_start, access_end; |
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const struct port_range *pr, *pr_start, *pr_end; |
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access_start = port; |
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access_end = port + width - 1; |
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// TODO: if the list gets too long we should do a binary search |
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// or convert the port list to a bitmap representation |
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pr_start = port_range_table; |
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pr_end = ARRAY_END(port_range_table); |
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for (pr = pr_start; pr < pr_end; pr++) { |
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if (access_end < pr->start) |
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continue; |
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if (access_start > pr->end) |
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break; |
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// we are in the pr range now |
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switch (pr->access) { |
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default: |
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continue; |
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case PORT_ACTION_BAIL: |
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case PORT_ACTION_WARN: |
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break; |
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} |
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ErrorF("Emulator asked to make a suspect %saccess to " |
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"port %u (0x%04x)%s\n", |
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(width == 1) ? "byte " : |
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(width == 2) ? "word " : |
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(width == 4) ? "long " : "", |
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port, port, |
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(pr->access == PORT_ACTION_BAIL) |
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? "; terminating." : "ignoring."); |
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if (pr->access == PORT_ACTION_BAIL) |
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kill(getpid(), SIGSEGV); |
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} |
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} |
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int |
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int |
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port_rep_inb(xf86Int10InfoPtr pInt, |
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port_rep_inb(xf86Int10InfoPtr pInt, |
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CARD16 port, CARD32 base, int d_f, CARD32 count) |
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CARD16 port, CARD32 base, int d_f, CARD32 count) |
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Lines 328-333
x_inb(CARD16 port)
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} |
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} |
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#endif /* __NOT_YET__ */ |
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#endif /* __NOT_YET__ */ |
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} else { |
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} else { |
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assert_port_access_allowed (port, sizeof(val)); |
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if (!pciCfg1inb(port, &val)) |
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if (!pciCfg1inb(port, &val)) |
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val = inb(Int10Current->ioBase + port); |
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val = inb(Int10Current->ioBase + port); |
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#ifdef PRINT_PORT |
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#ifdef PRINT_PORT |
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Lines 352-357
x_inw(CARD16 port)
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X_GETTIMEOFDAY(&tv); |
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X_GETTIMEOFDAY(&tv); |
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val = (CARD16)(tv.tv_usec / 3); |
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val = (CARD16)(tv.tv_usec / 3); |
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} else { |
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} else { |
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assert_port_access_allowed (port, sizeof(val)); |
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if (!pciCfg1inw(port, &val)) |
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if (!pciCfg1inw(port, &val)) |
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val = inw(Int10Current->ioBase + port); |
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val = inw(Int10Current->ioBase + port); |
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} |
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} |
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Lines 390-395
x_outb(CARD16 port, CARD8 val)
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#ifdef PRINT_PORT |
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#ifdef PRINT_PORT |
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ErrorF(" outb(%#x, %2.2x)\n", port, val); |
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ErrorF(" outb(%#x, %2.2x)\n", port, val); |
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#endif |
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#endif |
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assert_port_access_allowed (port, sizeof(val)); |
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if (!pciCfg1outb(port, val)) |
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if (!pciCfg1outb(port, val)) |
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outb(Int10Current->ioBase + port, val); |
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outb(Int10Current->ioBase + port, val); |
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} |
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} |
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Lines 402-407
x_outw(CARD16 port, CARD16 val)
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ErrorF(" outw(%#x, %4.4x)\n", port, val); |
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ErrorF(" outw(%#x, %4.4x)\n", port, val); |
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#endif |
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#endif |
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assert_port_access_allowed (port, sizeof(val)); |
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if (!pciCfg1outw(port, val)) |
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if (!pciCfg1outw(port, val)) |
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outw(Int10Current->ioBase + port, val); |
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outw(Int10Current->ioBase + port, val); |
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} |
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} |
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Lines 411-416
x_inl(CARD16 port)
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{ |
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{ |
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CARD32 val; |
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CARD32 val; |
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assert_port_access_allowed (port, sizeof(val)); |
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if (!pciCfg1in(port, &val)) |
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if (!pciCfg1in(port, &val)) |
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val = inl(Int10Current->ioBase + port); |
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val = inl(Int10Current->ioBase + port); |
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Lines 427-432
x_outl(CARD16 port, CARD32 val)
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ErrorF(" outl(%#x, %8.8x)\n", port, val); |
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ErrorF(" outl(%#x, %8.8x)\n", port, val); |
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#endif |
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#endif |
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assert_port_access_allowed (port, sizeof(val)); |
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if (!pciCfg1out(port, val)) |
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if (!pciCfg1out(port, val)) |
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outl(Int10Current->ioBase + port, val); |
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outl(Int10Current->ioBase + port, val); |
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} |
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} |
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