haraldwolff/qemu-patch-raspberry4
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target-i386: Pass X86CPU to cpu_x86_set_a20()

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Prepares for cpu_interrupt() changing argument to CPUState.

While touching it, rename to x86_cpu_...() now that it takes an X86CPU.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Andreas Färber 2013-01-18 15:19:06 +01:00
parent eeb266ded8
commit cc36a7a2c7
3 changed files with 8 additions and 5 deletions
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7
hw/pc.c
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@ -527,11 +527,11 @@ type_init(port92_register_types)
static void handle_a20_line_change(void *opaque, int irq, int level)
{
CPUX86State *cpu = opaque;
X86CPU *cpu = opaque;
/* XXX: send to all CPUs ? */
/* XXX: add logic to handle multiple A20 line sources */
cpu_x86_set_a20(cpu, level);
x86_cpu_set_a20(cpu, level);
}
int e820_add_entry(uint64_t address, uint64_t length, uint32_t type)
@ -1085,7 +1085,8 @@ void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi,
}
}
a20_line = qemu_allocate_irqs(handle_a20_line_change, first_cpu, 2);
a20_line = qemu_allocate_irqs(handle_a20_line_change,
x86_env_get_cpu(first_cpu), 2);
i8042 = isa_create_simple(isa_bus, "i8042");
i8042_setup_a20_line(i8042, &a20_line[0]);
if (!no_vmport) {

2
target-i386/cpu.h
View file

@ -1011,7 +1011,7 @@ void host_cpuid(uint32_t function, uint32_t count,
int cpu_x86_handle_mmu_fault(CPUX86State *env, target_ulong addr,
int is_write, int mmu_idx);
#define cpu_handle_mmu_fault cpu_x86_handle_mmu_fault
void cpu_x86_set_a20(CPUX86State *env, int a20_state);
void x86_cpu_set_a20(X86CPU *cpu, int a20_state);
static inline bool hw_local_breakpoint_enabled(unsigned long dr7, int index)
{

4
target-i386/helper.c
View file

@ -366,8 +366,10 @@ void cpu_dump_state(CPUX86State *env, FILE *f, fprintf_function cpu_fprintf,
/* x86 mmu */
/* XXX: add PGE support */
void cpu_x86_set_a20(CPUX86State *env, int a20_state)
void x86_cpu_set_a20(X86CPU *cpu, int a20_state)
{
CPUX86State *env = &cpu->env;
a20_state = (a20_state != 0);
if (a20_state != ((env->a20_mask >> 20) & 1)) {
#if defined(DEBUG_MMU)