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bios_emulator: Allow a custom interrupt handler to be installed 

Sometime we want to provide an interrupt handler for the ROM, Add a
function to allow this.

Signed-off-by: Simon Glass <sjg@chromium.org>
utp
Simon Glass 2014-11-14 20:56:41 -07:00
parent 4c59f95327
commit a3c700ec76
2 changed files with 6 additions and 0 deletions
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1
drivers/bios_emulator/include/x86emu.h
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@ -153,6 +153,7 @@ extern "C" { /* Use "C" linkage when in C++ mode */
void X86EMU_setupMemFuncs(X86EMU_memFuncs * funcs);
void X86EMU_setupPioFuncs(X86EMU_pioFuncs * funcs);
void X86EMU_setupIntrFuncs(X86EMU_intrFuncs funcs[]);
void X86EMU_setupIntrFunc(int intnum, X86EMU_intrFuncs func);
void X86EMU_prepareForInt(int num);
/* decode.c */

5
drivers/bios_emulator/x86emu/sys.c
View File

@ -273,6 +273,11 @@ void X86EMU_setupPioFuncs(X86EMU_pioFuncs * funcs)
sys_outl = funcs->outl;
}
void X86EMU_setupIntrFunc(int intnum, X86EMU_intrFuncs func)
{
_X86EMU_intrTab[intnum] = func;
}
/****************************************************************************
PARAMETERS:
funcs - New interrupt vector table to make active