From a3c700ec7611ce579ecab7005c66c6d1e7b1dbac Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Fri, 14 Nov 2014 20:56:41 -0700
Subject: [PATCH] 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>
---
drivers/bios_emulator/include/x86emu.h | 1 +
drivers/bios_emulator/x86emu/sys.c | 5 +++++
2 files changed, 6 insertions(+)
diff --git a/drivers/bios_emulator/include/x86emu.h b/drivers/bios_emulator/include/x86emu.h
index 278f669a4b..63febe0e29 100644
--- a/drivers/bios_emulator/include/x86emu.h
+++ b/drivers/bios_emulator/include/x86emu.h
@@ -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 */
diff --git a/drivers/bios_emulator/x86emu/sys.c b/drivers/bios_emulator/x86emu/sys.c
index 21f9730bec..0ba9c0c105 100644
--- a/drivers/bios_emulator/x86emu/sys.c
+++ b/drivers/bios_emulator/x86emu/sys.c
@@ -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
--
2.39.5