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authorBernhard Beschow <shentey@gmail.com>2024-02-13 16:49:58 +0100
committerPhilippe Mathieu-Daudé <philmd@linaro.org>2024-02-15 15:53:12 +0100
commite6f2193367a6b060b65c8898c02d0502f8aaa7e5 (patch)
tree1040e013776abde60f9a0811bb8f1633f23ecf11 /hw/mips
parent5939fc749102c5bc0b6e87571ceba93610b2099c (diff)
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hw/mips/Kconfig: Remove ISA dependencies from MIPSsim board
The board doesn't have a working ISA bus, only some I/O space. Selecting ISA_BUS and including hw/isa/isa.h is not necessary. Signed-off-by: Bernhard Beschow <shentey@gmail.com> Message-ID: <20230109204124.102592-3-shentey@gmail.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-ID: <20240213155005.109954-4-pbonzini@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Diffstat (limited to 'hw/mips')
-rw-r--r--hw/mips/Kconfig3
-rw-r--r--hw/mips/mipssim.c7
2 files changed, 6 insertions, 4 deletions
diff --git a/hw/mips/Kconfig b/hw/mips/Kconfig
index ab61af2..afcfb2b 100644
--- a/hw/mips/Kconfig
+++ b/hw/mips/Kconfig
@@ -6,8 +6,7 @@ config MALTA
config MIPSSIM
bool
- select ISA_BUS
- select SERIAL_ISA
+ select SERIAL
select MIPSNET
config JAZZ
diff --git a/hw/mips/mipssim.c b/hw/mips/mipssim.c
index 16af316..a12427b 100644
--- a/hw/mips/mipssim.c
+++ b/hw/mips/mipssim.c
@@ -31,7 +31,6 @@
#include "hw/clock.h"
#include "hw/mips/mips.h"
#include "hw/char/serial.h"
-#include "hw/isa/isa.h"
#include "net/net.h"
#include "sysemu/sysemu.h"
#include "hw/boards.h"
@@ -206,7 +205,11 @@ mips_mipssim_init(MachineState *machine)
cpu_mips_irq_init_cpu(cpu);
cpu_mips_clock_init(cpu);
- /* Register 64 KB of ISA IO space at 0x1fd00000. */
+ /*
+ * Register 64 KB of ISA IO space at 0x1fd00000. But without interrupts
+ * (except for the hardcoded serial port interrupt) -device cannot work,
+ * so do not expose the ISA bus to the user.
+ */
memory_region_init_alias(isa, NULL, "isa_mmio",
get_system_io(), 0, 0x00010000);
memory_region_add_subregion(get_system_memory(), 0x1fd00000, isa);