target-arm queue:

* i2c: Allow I2C devices to NAK start events
  * hw/char: QOM'ify exynos4210_uart.c
  * clean up and refactor virt-acpi-build.c
  * virt-acpi-build: Don't incorrectly claim architectural timer
    to be edge-triggered
  * m25p80: Don't let rogue SPI controllers cause buffer overruns
  * imx_spi: Remove broken MSGDATA register support
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20170109' into staging

target-arm queue:
 * i2c: Allow I2C devices to NAK start events
 * hw/char: QOM'ify exynos4210_uart.c
 * clean up and refactor virt-acpi-build.c
 * virt-acpi-build: Don't incorrectly claim architectural timer
   to be edge-triggered
 * m25p80: Don't let rogue SPI controllers cause buffer overruns
 * imx_spi: Remove broken MSGDATA register support

# gpg: Signature made Mon 09 Jan 2017 11:52:49 GMT
# gpg:                using RSA key 0x3C2525ED14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>"
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>"
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* remotes/pmaydell/tags/pull-target-arm-20170109: (21 commits)
  hw/ssi/imx_spi.c: Remove MSGDATA register support
  m25p80: don't let rogue SPI controllers cause buffer overruns
  hw/arm/virt-acpi-build: Don't incorrectly claim architectural timer to be edge-triggered
  hw/arm/virt: remove VirtGuestInfo
  hw/arm/virt-acpi-build: don't save VirtGuestInfo on AcpiBuildState
  hw/arm/virt-acpi-build: remove redundant members from VirtGuestInfo
  hw/arm/virt: pass VirtMachineState instead of VirtGuestInfo
  hw/arm/virt: move VirtMachineState/Class to virt.h
  hw/arm/virt: remove include/hw/arm/virt-acpi-build.h
  hw/arm/virt: eliminate struct VirtGuestInfoState
  hw/arm/virt: use VirtMachineState.gic_version
  hw/arm/virt: parameter passing cleanups
  hw/arm/virt-acpi-build: fadt: improve flag naming
  hw/arm/virt-acpi-build: gtdt: improve flag naming
  hw/arm/virt-acpi-build: name GIC CPU Interface Structure appropriately
  hw/arm/virt-acpi-build: add all missing cpu_to_le's
  hw/arm/virt: Don't incorrectly claim architectural timer to be edge-triggered
  hw/arm/virt: Rename 'vbi' variables to 'vms'
  hw/arm/virt: Merge VirtBoardInfo and VirtMachineState
  hw/char: QOM'ify exynos4210_uart.c
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2017-01-09 11:56:49 +00:00
commit 8305f9bdf7
23 changed files with 571 additions and 534 deletions

View File

@ -508,7 +508,6 @@ M: Shannon Zhao <shannon.zhao@linaro.org>
L: qemu-arm@nongnu.org
S: Maintained
F: hw/arm/virt-acpi-build.c
F: include/hw/arm/virt-acpi-build.h
STM32F205
M: Alistair Francis <alistair@alistair23.me>
@ -885,7 +884,6 @@ F: hw/acpi/*
F: hw/smbios/*
F: hw/i386/acpi-build.[hc]
F: hw/arm/virt-acpi-build.c
F: include/hw/arm/virt-acpi-build.h
ppc4xx
M: Alexander Graf <agraf@suse.de>

View File

@ -1258,7 +1258,7 @@ static void pxa2xx_i2c_update(PXA2xxI2CState *s)
}
/* These are only stubs now. */
static void pxa2xx_i2c_event(I2CSlave *i2c, enum i2c_event event)
static int pxa2xx_i2c_event(I2CSlave *i2c, enum i2c_event event)
{
PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c);
PXA2xxI2CState *s = slave->host;
@ -1280,6 +1280,8 @@ static void pxa2xx_i2c_event(I2CSlave *i2c, enum i2c_event event)
break;
}
pxa2xx_i2c_update(s);
return 0;
}
static int pxa2xx_i2c_rx(I2CSlave *i2c)

View File

@ -172,7 +172,7 @@ static int tosa_dac_send(I2CSlave *i2c, uint8_t data)
return 0;
}
static void tosa_dac_event(I2CSlave *i2c, enum i2c_event event)
static int tosa_dac_event(I2CSlave *i2c, enum i2c_event event)
{
TosaDACState *s = TOSA_DAC(i2c);
@ -194,6 +194,8 @@ static void tosa_dac_event(I2CSlave *i2c, enum i2c_event event)
default:
break;
}
return 0;
}
static int tosa_dac_recv(I2CSlave *s)

View File

@ -29,7 +29,6 @@
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "qemu-common.h"
#include "hw/arm/virt-acpi-build.h"
#include "qemu/bitmap.h"
#include "trace.h"
#include "qom/cpu.h"
@ -43,6 +42,7 @@
#include "hw/acpi/aml-build.h"
#include "hw/pci/pcie_host.h"
#include "hw/pci/pci.h"
#include "hw/arm/virt.h"
#include "sysemu/numa.h"
#include "kvm_arm.h"
@ -384,7 +384,7 @@ build_rsdp(GArray *rsdp_table, BIOSLinker *linker, unsigned rsdt_tbl_offset)
}
static void
build_iort(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info)
build_iort(GArray *table_data, BIOSLinker *linker)
{
int iort_start = table_data->len;
AcpiIortIdMapping *idmap;
@ -439,11 +439,11 @@ build_iort(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info)
}
static void
build_spcr(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info)
build_spcr(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms)
{
AcpiSerialPortConsoleRedirection *spcr;
const MemMapEntry *uart_memmap = &guest_info->memmap[VIRT_UART];
int irq = guest_info->irqmap[VIRT_UART] + ARM_SPI_BASE;
const MemMapEntry *uart_memmap = &vms->memmap[VIRT_UART];
int irq = vms->irqmap[VIRT_UART] + ARM_SPI_BASE;
spcr = acpi_data_push(table_data, sizeof(*spcr));
@ -472,16 +472,16 @@ build_spcr(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info)
}
static void
build_srat(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info)
build_srat(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms)
{
AcpiSystemResourceAffinityTable *srat;
AcpiSratProcessorGiccAffinity *core;
AcpiSratMemoryAffinity *numamem;
int i, j, srat_start;
uint64_t mem_base;
uint32_t *cpu_node = g_malloc0(guest_info->smp_cpus * sizeof(uint32_t));
uint32_t *cpu_node = g_malloc0(vms->smp_cpus * sizeof(uint32_t));
for (i = 0; i < guest_info->smp_cpus; i++) {
for (i = 0; i < vms->smp_cpus; i++) {
j = numa_get_node_for_cpu(i);
if (j < nb_numa_nodes) {
cpu_node[i] = j;
@ -492,7 +492,7 @@ build_srat(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info)
srat = acpi_data_push(table_data, sizeof(*srat));
srat->reserved1 = cpu_to_le32(1);
for (i = 0; i < guest_info->smp_cpus; ++i) {
for (i = 0; i < vms->smp_cpus; ++i) {
core = acpi_data_push(table_data, sizeof(*core));
core->type = ACPI_SRAT_PROCESSOR_GICC;
core->length = sizeof(*core);
@ -502,7 +502,7 @@ build_srat(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info)
}
g_free(cpu_node);
mem_base = guest_info->memmap[VIRT_MEM].base;
mem_base = vms->memmap[VIRT_MEM].base;
for (i = 0; i < nb_numa_nodes; ++i) {
numamem = acpi_data_push(table_data, sizeof(*numamem));
build_srat_memory(numamem, mem_base, numa_info[i].node_mem, i,
@ -515,10 +515,10 @@ build_srat(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info)
}
static void
build_mcfg(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info)
build_mcfg(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms)
{
AcpiTableMcfg *mcfg;
const MemMapEntry *memmap = guest_info->memmap;
const MemMapEntry *memmap = vms->memmap;
int len = sizeof(*mcfg) + sizeof(mcfg->allocation[0]);
mcfg = acpi_data_push(table_data, len);
@ -535,24 +535,33 @@ build_mcfg(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info)
/* GTDT */
static void
build_gtdt(GArray *table_data, BIOSLinker *linker)
build_gtdt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms)
{
VirtMachineClass *vmc = VIRT_MACHINE_GET_CLASS(vms);
int gtdt_start = table_data->len;
AcpiGenericTimerTable *gtdt;
uint32_t irqflags;
if (vmc->claim_edge_triggered_timers) {
irqflags = ACPI_GTDT_INTERRUPT_MODE_EDGE;
} else {
irqflags = ACPI_GTDT_INTERRUPT_MODE_LEVEL;
}
gtdt = acpi_data_push(table_data, sizeof *gtdt);
/* The interrupt values are the same with the device tree when adding 16 */
gtdt->secure_el1_interrupt = ARCH_TIMER_S_EL1_IRQ + 16;
gtdt->secure_el1_flags = ACPI_EDGE_SENSITIVE;
gtdt->secure_el1_interrupt = cpu_to_le32(ARCH_TIMER_S_EL1_IRQ + 16);
gtdt->secure_el1_flags = cpu_to_le32(irqflags);
gtdt->non_secure_el1_interrupt = ARCH_TIMER_NS_EL1_IRQ + 16;
gtdt->non_secure_el1_flags = ACPI_EDGE_SENSITIVE | ACPI_GTDT_ALWAYS_ON;
gtdt->non_secure_el1_interrupt = cpu_to_le32(ARCH_TIMER_NS_EL1_IRQ + 16);
gtdt->non_secure_el1_flags = cpu_to_le32(irqflags |
ACPI_GTDT_CAP_ALWAYS_ON);
gtdt->virtual_timer_interrupt = ARCH_TIMER_VIRT_IRQ + 16;
gtdt->virtual_timer_flags = ACPI_EDGE_SENSITIVE;
gtdt->virtual_timer_interrupt = cpu_to_le32(ARCH_TIMER_VIRT_IRQ + 16);
gtdt->virtual_timer_flags = cpu_to_le32(irqflags);
gtdt->non_secure_el2_interrupt = ARCH_TIMER_NS_EL2_IRQ + 16;
gtdt->non_secure_el2_flags = ACPI_EDGE_SENSITIVE;
gtdt->non_secure_el2_interrupt = cpu_to_le32(ARCH_TIMER_NS_EL2_IRQ + 16);
gtdt->non_secure_el2_flags = cpu_to_le32(irqflags);
build_header(linker, table_data,
(void *)(table_data->data + gtdt_start), "GTDT",
@ -561,11 +570,12 @@ build_gtdt(GArray *table_data, BIOSLinker *linker)
/* MADT */
static void
build_madt(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info)
build_madt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms)
{
VirtMachineClass *vmc = VIRT_MACHINE_GET_CLASS(vms);
int madt_start = table_data->len;
const MemMapEntry *memmap = guest_info->memmap;
const int *irqmap = guest_info->irqmap;
const MemMapEntry *memmap = vms->memmap;
const int *irqmap = vms->irqmap;
AcpiMultipleApicTable *madt;
AcpiMadtGenericDistributor *gicd;
AcpiMadtGenericMsiFrame *gic_msi;
@ -576,30 +586,30 @@ build_madt(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info)
gicd = acpi_data_push(table_data, sizeof *gicd);
gicd->type = ACPI_APIC_GENERIC_DISTRIBUTOR;
gicd->length = sizeof(*gicd);
gicd->base_address = memmap[VIRT_GIC_DIST].base;
gicd->version = guest_info->gic_version;
gicd->base_address = cpu_to_le64(memmap[VIRT_GIC_DIST].base);
gicd->version = vms->gic_version;
for (i = 0; i < guest_info->smp_cpus; i++) {
AcpiMadtGenericInterrupt *gicc = acpi_data_push(table_data,
sizeof *gicc);
for (i = 0; i < vms->smp_cpus; i++) {
AcpiMadtGenericCpuInterface *gicc = acpi_data_push(table_data,
sizeof(*gicc));
ARMCPU *armcpu = ARM_CPU(qemu_get_cpu(i));
gicc->type = ACPI_APIC_GENERIC_INTERRUPT;
gicc->type = ACPI_APIC_GENERIC_CPU_INTERFACE;
gicc->length = sizeof(*gicc);
if (guest_info->gic_version == 2) {
gicc->base_address = memmap[VIRT_GIC_CPU].base;
if (vms->gic_version == 2) {
gicc->base_address = cpu_to_le64(memmap[VIRT_GIC_CPU].base);
}
gicc->cpu_interface_number = i;
gicc->arm_mpidr = armcpu->mp_affinity;
gicc->uid = i;
gicc->flags = cpu_to_le32(ACPI_GICC_ENABLED);
gicc->cpu_interface_number = cpu_to_le32(i);
gicc->arm_mpidr = cpu_to_le64(armcpu->mp_affinity);
gicc->uid = cpu_to_le32(i);
gicc->flags = cpu_to_le32(ACPI_MADT_GICC_ENABLED);
if (arm_feature(&armcpu->env, ARM_FEATURE_PMU)) {
gicc->performance_interrupt = cpu_to_le32(PPI(VIRTUAL_PMU_IRQ));
}
}
if (guest_info->gic_version == 3) {
if (vms->gic_version == 3) {
AcpiMadtGenericTranslator *gic_its;
AcpiMadtGenericRedistributor *gicr = acpi_data_push(table_data,
sizeof *gicr);
@ -609,7 +619,7 @@ build_madt(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info)
gicr->base_address = cpu_to_le64(memmap[VIRT_GIC_REDIST].base);
gicr->range_length = cpu_to_le32(memmap[VIRT_GIC_REDIST].size);
if (its_class_name() && !guest_info->no_its) {
if (its_class_name() && !vmc->no_its) {
gic_its = acpi_data_push(table_data, sizeof *gic_its);
gic_its->type = ACPI_APIC_GENERIC_TRANSLATOR;
gic_its->length = sizeof(*gic_its);
@ -641,8 +651,8 @@ build_fadt(GArray *table_data, BIOSLinker *linker, unsigned dsdt_tbl_offset)
/* Hardware Reduced = 1 and use PSCI 0.2+ and with HVC */
fadt->flags = cpu_to_le32(1 << ACPI_FADT_F_HW_REDUCED_ACPI);
fadt->arm_boot_flags = cpu_to_le16((1 << ACPI_FADT_ARM_USE_PSCI_G_0_2) |
(1 << ACPI_FADT_ARM_PSCI_USE_HVC));
fadt->arm_boot_flags = cpu_to_le16(ACPI_FADT_ARM_PSCI_COMPLIANT |
ACPI_FADT_ARM_PSCI_USE_HVC);
/* ACPI v5.1 (fadt->revision.fadt->minor_revision) */
fadt->minor_revision = 0x1;
@ -658,11 +668,11 @@ build_fadt(GArray *table_data, BIOSLinker *linker, unsigned dsdt_tbl_offset)
/* DSDT */
static void
build_dsdt(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info)
build_dsdt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms)
{
Aml *scope, *dsdt;
const MemMapEntry *memmap = guest_info->memmap;
const int *irqmap = guest_info->irqmap;
const MemMapEntry *memmap = vms->memmap;
const int *irqmap = vms->irqmap;
dsdt = init_aml_allocator();
/* Reserve space for header */
@ -674,7 +684,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info)
* the RTC ACPI device at all when using UEFI.
*/
scope = aml_scope("\\_SB");
acpi_dsdt_add_cpus(scope, guest_info->smp_cpus);
acpi_dsdt_add_cpus(scope, vms->smp_cpus);
acpi_dsdt_add_uart(scope, &memmap[VIRT_UART],
(irqmap[VIRT_UART] + ARM_SPI_BASE));
acpi_dsdt_add_flash(scope, &memmap[VIRT_FLASH]);
@ -682,7 +692,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info)
acpi_dsdt_add_virtio(scope, &memmap[VIRT_MMIO],
(irqmap[VIRT_MMIO] + ARM_SPI_BASE), NUM_VIRTIO_TRANSPORTS);
acpi_dsdt_add_pci(scope, memmap, (irqmap[VIRT_PCIE] + ARM_SPI_BASE),
guest_info->use_highmem);
vms->highmem);
acpi_dsdt_add_gpio(scope, &memmap[VIRT_GPIO],
(irqmap[VIRT_GPIO] + ARM_SPI_BASE));
acpi_dsdt_add_power_button(scope);
@ -705,12 +715,12 @@ struct AcpiBuildState {
MemoryRegion *linker_mr;
/* Is table patched? */
bool patched;
VirtGuestInfo *guest_info;
} AcpiBuildState;
static
void virt_acpi_build(VirtGuestInfo *guest_info, AcpiBuildTables *tables)
void virt_acpi_build(VirtMachineState *vms, AcpiBuildTables *tables)
{
VirtMachineClass *vmc = VIRT_MACHINE_GET_CLASS(vms);
GArray *table_offsets;
unsigned dsdt, rsdt;
GArray *tables_blob = tables->table_data;
@ -724,32 +734,32 @@ void virt_acpi_build(VirtGuestInfo *guest_info, AcpiBuildTables *tables)
/* DSDT is pointed to by FADT */
dsdt = tables_blob->len;
build_dsdt(tables_blob, tables->linker, guest_info);
build_dsdt(tables_blob, tables->linker, vms);
/* FADT MADT GTDT MCFG SPCR pointed to by RSDT */
acpi_add_table(table_offsets, tables_blob);
build_fadt(tables_blob, tables->linker, dsdt);
acpi_add_table(table_offsets, tables_blob);
build_madt(tables_blob, tables->linker, guest_info);
build_madt(tables_blob, tables->linker, vms);
acpi_add_table(table_offsets, tables_blob);
build_gtdt(tables_blob, tables->linker);
build_gtdt(tables_blob, tables->linker, vms);
acpi_add_table(table_offsets, tables_blob);
build_mcfg(tables_blob, tables->linker, guest_info);
build_mcfg(tables_blob, tables->linker, vms);
acpi_add_table(table_offsets, tables_blob);
build_spcr(tables_blob, tables->linker, guest_info);
build_spcr(tables_blob, tables->linker, vms);
if (nb_numa_nodes > 0) {
acpi_add_table(table_offsets, tables_blob);
build_srat(tables_blob, tables->linker, guest_info);
build_srat(tables_blob, tables->linker, vms);
}
if (its_class_name() && !guest_info->no_its) {
if (its_class_name() && !vmc->no_its) {
acpi_add_table(table_offsets, tables_blob);
build_iort(tables_blob, tables->linker, guest_info);
build_iort(tables_blob, tables->linker);
}
/* RSDT is pointed to by RSDP */
@ -788,13 +798,12 @@ static void virt_acpi_build_update(void *build_opaque)
acpi_build_tables_init(&tables);
virt_acpi_build(build_state->guest_info, &tables);
virt_acpi_build(VIRT_MACHINE(qdev_get_machine()), &tables);
acpi_ram_update(build_state->table_mr, tables.table_data);
acpi_ram_update(build_state->rsdp_mr, tables.rsdp);
acpi_ram_update(build_state->linker_mr, tables.linker->cmd_blob);
acpi_build_tables_cleanup(&tables, true);
}
@ -822,12 +831,12 @@ static const VMStateDescription vmstate_virt_acpi_build = {
},
};
void virt_acpi_setup(VirtGuestInfo *guest_info)
void virt_acpi_setup(VirtMachineState *vms)
{
AcpiBuildTables tables;
AcpiBuildState *build_state;
if (!guest_info->fw_cfg) {
if (!vms->fw_cfg) {
trace_virt_acpi_setup();
return;
}
@ -838,10 +847,9 @@ void virt_acpi_setup(VirtGuestInfo *guest_info)
}
build_state = g_malloc0(sizeof *build_state);
build_state->guest_info = guest_info;
acpi_build_tables_init(&tables);
virt_acpi_build(build_state->guest_info, &tables);
virt_acpi_build(vms, &tables);
/* Now expose it all to Guest */
build_state->table_mr = acpi_add_rom_blob(build_state, tables.table_data,
@ -853,8 +861,8 @@ void virt_acpi_setup(VirtGuestInfo *guest_info)
acpi_add_rom_blob(build_state, tables.linker->cmd_blob,
"etc/table-loader", 0);
fw_cfg_add_file(guest_info->fw_cfg, ACPI_BUILD_TPMLOG_FILE,
tables.tcpalog->data, acpi_data_len(tables.tcpalog));
fw_cfg_add_file(vms->fw_cfg, ACPI_BUILD_TPMLOG_FILE, tables.tcpalog->data,
acpi_data_len(tables.tcpalog));
build_state->rsdp_mr = acpi_add_rom_blob(build_state, tables.rsdp,
ACPI_BUILD_RSDP_FILE, 0);

File diff suppressed because it is too large Load Diff

View File

@ -220,7 +220,7 @@ static int aer915_send(I2CSlave *i2c, uint8_t data)
return 0;
}
static void aer915_event(I2CSlave *i2c, enum i2c_event event)
static int aer915_event(I2CSlave *i2c, enum i2c_event event)
{
AER915State *s = AER915(i2c);
@ -238,6 +238,8 @@ static void aer915_event(I2CSlave *i2c, enum i2c_event event)
default:
break;
}
return 0;
}
static int aer915_recv(I2CSlave *slave)

View File

@ -303,7 +303,7 @@ static void wm8750_reset(I2CSlave *i2c)
s->i2c_len = 0;
}
static void wm8750_event(I2CSlave *i2c, enum i2c_event event)
static int wm8750_event(I2CSlave *i2c, enum i2c_event event)
{
WM8750State *s = WM8750(i2c);
@ -321,6 +321,8 @@ static void wm8750_event(I2CSlave *i2c, enum i2c_event event)
default:
break;
}
return 0;
}
#define WM8750_LINVOL 0x00

View File

@ -28,6 +28,7 @@
#include "hw/ssi/ssi.h"
#include "qemu/bitops.h"
#include "qemu/log.h"
#include "qemu/error-report.h"
#include "qapi/error.h"
#ifndef M25P80_ERR_DEBUG
@ -377,6 +378,8 @@ typedef enum {
MAN_GENERIC,
} Manufacturer;
#define M25P80_INTERNAL_DATA_BUFFER_SZ 16
typedef struct Flash {
SSISlave parent_obj;
@ -387,7 +390,7 @@ typedef struct Flash {
int page_size;
uint8_t state;
uint8_t data[16];
uint8_t data[M25P80_INTERNAL_DATA_BUFFER_SZ];
uint32_t len;
uint32_t pos;
uint8_t needed_bytes;
@ -1115,6 +1118,17 @@ static uint32_t m25p80_transfer8(SSISlave *ss, uint32_t tx)
case STATE_COLLECTING_DATA:
case STATE_COLLECTING_VAR_LEN_DATA:
if (s->len >= M25P80_INTERNAL_DATA_BUFFER_SZ) {
qemu_log_mask(LOG_GUEST_ERROR,
"M25P80: Write overrun internal data buffer. "
"SPI controller (QEMU emulator or guest driver) "
"is misbehaving\n");
s->len = s->pos = 0;
s->state = STATE_IDLE;
break;
}
s->data[s->len] = (uint8_t)tx;
s->len++;
@ -1124,6 +1138,17 @@ static uint32_t m25p80_transfer8(SSISlave *ss, uint32_t tx)
break;
case STATE_READING_DATA:
if (s->pos >= M25P80_INTERNAL_DATA_BUFFER_SZ) {
qemu_log_mask(LOG_GUEST_ERROR,
"M25P80: Read overrun internal data buffer. "
"SPI controller (QEMU emulator or guest driver) "
"is misbehaving\n");
s->len = s->pos = 0;
s->state = STATE_IDLE;
break;
}
r = s->data[s->pos];
s->pos++;
if (s->pos == s->len) {
@ -1196,7 +1221,7 @@ static const VMStateDescription vmstate_m25p80 = {
.pre_save = m25p80_pre_save,
.fields = (VMStateField[]) {
VMSTATE_UINT8(state, Flash),
VMSTATE_UINT8_ARRAY(data, Flash, 16),
VMSTATE_UINT8_ARRAY(data, Flash, M25P80_INTERNAL_DATA_BUFFER_SZ),
VMSTATE_UINT32(len, Flash),
VMSTATE_UINT32(pos, Flash),
VMSTATE_UINT8(needed_bytes, Flash),

View File

@ -629,22 +629,26 @@ DeviceState *exynos4210_uart_create(hwaddr addr,
return dev;
}
static int exynos4210_uart_init(SysBusDevice *dev)
static void exynos4210_uart_init(Object *obj)
{
SysBusDevice *dev = SYS_BUS_DEVICE(obj);
Exynos4210UartState *s = EXYNOS4210_UART(dev);
/* memory mapping */
memory_region_init_io(&s->iomem, OBJECT(s), &exynos4210_uart_ops, s,
memory_region_init_io(&s->iomem, obj, &exynos4210_uart_ops, s,
"exynos4210.uart", EXYNOS4210_UART_REGS_MEM_SIZE);
sysbus_init_mmio(dev, &s->iomem);
sysbus_init_irq(dev, &s->irq);
}
static void exynos4210_uart_realize(DeviceState *dev, Error **errp)
{
Exynos4210UartState *s = EXYNOS4210_UART(dev);
qemu_chr_fe_set_handlers(&s->chr, exynos4210_uart_can_receive,
exynos4210_uart_receive, exynos4210_uart_event,
s, NULL, true);
return 0;
}
static Property exynos4210_uart_properties[] = {
@ -658,9 +662,8 @@ static Property exynos4210_uart_properties[] = {
static void exynos4210_uart_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
k->init = exynos4210_uart_init;
dc->realize = exynos4210_uart_realize;
dc->reset = exynos4210_uart_reset;
dc->props = exynos4210_uart_properties;
dc->vmsd = &vmstate_exynos4210_uart;
@ -670,6 +673,7 @@ static const TypeInfo exynos4210_uart_info = {
.name = TYPE_EXYNOS4210_UART,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(Exynos4210UartState),
.instance_init = exynos4210_uart_init,
.class_init = exynos4210_uart_class_init,
};

View File

@ -179,7 +179,7 @@ static int ssd0303_send(I2CSlave *i2c, uint8_t data)
return 0;
}
static void ssd0303_event(I2CSlave *i2c, enum i2c_event event)
static int ssd0303_event(I2CSlave *i2c, enum i2c_event event)
{
ssd0303_state *s = SSD0303(i2c);
@ -193,6 +193,8 @@ static void ssd0303_event(I2CSlave *i2c, enum i2c_event event)
/* Nothing to do. */
break;
}
return 0;
}
static void ssd0303_update_display(void *opaque)

View File

@ -129,7 +129,7 @@ static int max7310_tx(I2CSlave *i2c, uint8_t data)
return 0;
}
static void max7310_event(I2CSlave *i2c, enum i2c_event event)
static int max7310_event(I2CSlave *i2c, enum i2c_event event)
{
MAX7310State *s = MAX7310(i2c);
s->len = 0;
@ -147,6 +147,8 @@ static void max7310_event(I2CSlave *i2c, enum i2c_event event)
default:
break;
}
return 0;
}
static const VMStateDescription vmstate_max7310 = {

View File

@ -88,18 +88,26 @@ int i2c_bus_busy(I2CBus *bus)
return !QLIST_EMPTY(&bus->current_devs);
}
/*
* Returns non-zero if the address is not valid. If this is called
* again without an intervening i2c_end_transfer(), like in the SMBus
* case where the operation is switched from write to read, this
* function will not rescan the bus and thus cannot fail.
*/
/* TODO: Make this handle multiple masters. */
/*
* Start or continue an i2c transaction. When this is called for the
* first time or after an i2c_end_transfer(), if it returns an error
* the bus transaction is terminated (or really never started). If
* this is called after another i2c_start_transfer() without an
* intervening i2c_end_transfer(), and it returns an error, the
* transaction will not be terminated. The caller must do it.
*
* This corresponds with the way real hardware works. The SMBus
* protocol uses a start transfer to switch from write to read mode
* without releasing the bus. If that fails, the bus is still
* in a transaction.
*/
int i2c_start_transfer(I2CBus *bus, uint8_t address, int recv)
{
BusChild *kid;
I2CSlaveClass *sc;
I2CNode *node;
bool bus_scanned = false;
if (address == I2C_BROADCAST) {
/*
@ -130,6 +138,7 @@ int i2c_start_transfer(I2CBus *bus, uint8_t address, int recv)
}
}
}
bus_scanned = true;
}
if (QLIST_EMPTY(&bus->current_devs)) {
@ -137,11 +146,21 @@ int i2c_start_transfer(I2CBus *bus, uint8_t address, int recv)
}
QLIST_FOREACH(node, &bus->current_devs, next) {
int rv;
sc = I2C_SLAVE_GET_CLASS(node->elt);
/* If the bus is already busy, assume this is a repeated
start condition. */
if (sc->event) {
sc->event(node->elt, recv ? I2C_START_RECV : I2C_START_SEND);
rv = sc->event(node->elt, recv ? I2C_START_RECV : I2C_START_SEND);
if (rv && !bus->broadcast) {
if (bus_scanned) {
/* First call, terminate the transfer. */
i2c_end_transfer(bus);
}
return rv;
}
}
}
return 0;

View File

@ -230,13 +230,15 @@ static void i2c_ddc_reset(DeviceState *ds)
s->reg = 0;
}
static void i2c_ddc_event(I2CSlave *i2c, enum i2c_event event)
static int i2c_ddc_event(I2CSlave *i2c, enum i2c_event event)
{
I2CDDCState *s = I2CDDC(i2c);
if (event == I2C_START_SEND) {
s->firstbyte = true;
}
return 0;
}
static int i2c_ddc_rx(I2CSlave *i2c)

View File

@ -67,7 +67,7 @@ static void smbus_do_write(SMBusDevice *dev)
}
}
static void smbus_i2c_event(I2CSlave *s, enum i2c_event event)
static int smbus_i2c_event(I2CSlave *s, enum i2c_event event)
{
SMBusDevice *dev = SMBUS_DEVICE(s);
@ -148,6 +148,8 @@ static void smbus_i2c_event(I2CSlave *s, enum i2c_event event)
break;
}
}
return 0;
}
static int smbus_i2c_recv(I2CSlave *s)
@ -249,7 +251,8 @@ int smbus_read_byte(I2CBus *bus, uint8_t addr, uint8_t command)
}
i2c_send(bus, command);
if (i2c_start_transfer(bus, addr, 1)) {
assert(0);
i2c_end_transfer(bus);
return -1;
}
data = i2c_recv(bus);
i2c_nack(bus);
@ -276,7 +279,8 @@ int smbus_read_word(I2CBus *bus, uint8_t addr, uint8_t command)
}
i2c_send(bus, command);
if (i2c_start_transfer(bus, addr, 1)) {
assert(0);
i2c_end_transfer(bus);
return -1;
}
data = i2c_recv(bus);
data |= i2c_recv(bus) << 8;
@ -307,7 +311,8 @@ int smbus_read_block(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t *data)
}
i2c_send(bus, command);
if (i2c_start_transfer(bus, addr, 1)) {
assert(0);
i2c_end_transfer(bus);
return -1;
}
len = i2c_recv(bus);
if (len > 32) {

View File

@ -383,7 +383,7 @@ static void lm_kbd_write(LM823KbdState *s, int reg, int byte, uint8_t value)
}
}
static void lm_i2c_event(I2CSlave *i2c, enum i2c_event event)
static int lm_i2c_event(I2CSlave *i2c, enum i2c_event event)
{
LM823KbdState *s = LM8323(i2c);
@ -397,6 +397,8 @@ static void lm_i2c_event(I2CSlave *i2c, enum i2c_event event)
default:
break;
}
return 0;
}
static int lm_i2c_rx(I2CSlave *i2c)

View File

@ -176,7 +176,7 @@ static int tmp105_tx(I2CSlave *i2c, uint8_t data)
return 0;
}
static void tmp105_event(I2CSlave *i2c, enum i2c_event event)
static int tmp105_event(I2CSlave *i2c, enum i2c_event event)
{
TMP105State *s = TMP105(i2c);
@ -185,6 +185,7 @@ static void tmp105_event(I2CSlave *i2c, enum i2c_event event)
}
s->len = 0;
return 0;
}
static int tmp105_post_load(void *opaque, int version_id)

View File

@ -320,9 +320,6 @@ static void imx_spi_write(void *opaque, hwaddr offset, uint64_t value,
TYPE_IMX_SPI, __func__);
break;
case ECSPI_TXDATA:
case ECSPI_MSGDATA:
/* Is there any difference between TXDATA and MSGDATA ? */
/* I'll have to look in the linux driver */
if (!imx_spi_is_enabled(s)) {
/* Ignore writes if device is disabled */
break;
@ -380,6 +377,14 @@ static void imx_spi_write(void *opaque, hwaddr offset, uint64_t value,
}
break;
case ECSPI_MSGDATA:
/* it is not clear from the spec what MSGDATA is for */
/* Anyway it is not used by Linux driver */
/* So for now we just ignore it */
qemu_log_mask(LOG_UNIMP,
"[%s]%s: Trying to write to MSGDATA, ignoring\n",
TYPE_IMX_SPI, __func__);
break;
default:
s->regs[index] = value;

View File

@ -94,7 +94,7 @@ static void inc_regptr(DS1338State *s)
}
}
static void ds1338_event(I2CSlave *i2c, enum i2c_event event)
static int ds1338_event(I2CSlave *i2c, enum i2c_event event)
{
DS1338State *s = DS1338(i2c);
@ -113,6 +113,8 @@ static void ds1338_event(I2CSlave *i2c, enum i2c_event event)
default:
break;
}
return 0;
}
static int ds1338_recv(I2CSlave *i2c)

View File

@ -713,12 +713,14 @@ static void menelaus_write(void *opaque, uint8_t addr, uint8_t value)
}
}
static void menelaus_event(I2CSlave *i2c, enum i2c_event event)
static int menelaus_event(I2CSlave *i2c, enum i2c_event event)
{
MenelausState *s = TWL92230(i2c);
if (event == I2C_START_SEND)
s->firstbyte = 1;
return 0;
}
static int menelaus_tx(I2CSlave *i2c, uint8_t data)

View File

@ -191,10 +191,8 @@ struct AcpiFadtDescriptorRev5_1 {
typedef struct AcpiFadtDescriptorRev5_1 AcpiFadtDescriptorRev5_1;
enum {
ACPI_FADT_ARM_USE_PSCI_G_0_2 = 0,
ACPI_FADT_ARM_PSCI_USE_HVC = 1,
};
#define ACPI_FADT_ARM_PSCI_COMPLIANT (1 << 0)
#define ACPI_FADT_ARM_PSCI_USE_HVC (1 << 1)
/*
* Serial Port Console Redirection Table (SPCR), Rev. 1.02
@ -290,7 +288,7 @@ typedef struct AcpiMultipleApicTable AcpiMultipleApicTable;
#define ACPI_APIC_XRUPT_SOURCE 8
#define ACPI_APIC_LOCAL_X2APIC 9
#define ACPI_APIC_LOCAL_X2APIC_NMI 10
#define ACPI_APIC_GENERIC_INTERRUPT 11
#define ACPI_APIC_GENERIC_CPU_INTERFACE 11
#define ACPI_APIC_GENERIC_DISTRIBUTOR 12
#define ACPI_APIC_GENERIC_MSI_FRAME 13
#define ACPI_APIC_GENERIC_REDISTRIBUTOR 14
@ -361,7 +359,7 @@ struct AcpiMadtLocalX2ApicNmi {
} QEMU_PACKED;
typedef struct AcpiMadtLocalX2ApicNmi AcpiMadtLocalX2ApicNmi;
struct AcpiMadtGenericInterrupt {
struct AcpiMadtGenericCpuInterface {
ACPI_SUB_HEADER_DEF
uint16_t reserved;
uint32_t cpu_interface_number;
@ -378,7 +376,10 @@ struct AcpiMadtGenericInterrupt {
uint64_t arm_mpidr;
} QEMU_PACKED;
typedef struct AcpiMadtGenericInterrupt AcpiMadtGenericInterrupt;
typedef struct AcpiMadtGenericCpuInterface AcpiMadtGenericCpuInterface;
/* GICC CPU Interface Flags */
#define ACPI_MADT_GICC_ENABLED 1
struct AcpiMadtGenericDistributor {
ACPI_SUB_HEADER_DEF
@ -427,21 +428,9 @@ typedef struct AcpiMadtGenericTranslator AcpiMadtGenericTranslator;
/*
* Generic Timer Description Table (GTDT)
*/
#define ACPI_GTDT_INTERRUPT_MODE (1 << 0)
#define ACPI_GTDT_INTERRUPT_POLARITY (1 << 1)
#define ACPI_GTDT_ALWAYS_ON (1 << 2)
/* Triggering */
#define ACPI_LEVEL_SENSITIVE ((uint8_t) 0x00)
#define ACPI_EDGE_SENSITIVE ((uint8_t) 0x01)
/* Polarity */
#define ACPI_ACTIVE_HIGH ((uint8_t) 0x00)
#define ACPI_ACTIVE_LOW ((uint8_t) 0x01)
#define ACPI_ACTIVE_BOTH ((uint8_t) 0x02)
#define ACPI_GTDT_INTERRUPT_MODE_LEVEL (0 << 0)
#define ACPI_GTDT_INTERRUPT_MODE_EDGE (1 << 0)
#define ACPI_GTDT_CAP_ALWAYS_ON (1 << 2)
struct AcpiGenericTimerTable {
ACPI_TABLE_HEADER_DEF

View File

@ -1,47 +0,0 @@
/*
*
* Copyright (c) 2015 HUAWEI TECHNOLOGIES CO.,LTD.
*
* Author: Shannon Zhao <zhaoshenglong@huawei.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2 or later, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef QEMU_VIRT_ACPI_BUILD_H
#define QEMU_VIRT_ACPI_BUILD_H
#include "qemu-common.h"
#include "hw/arm/virt.h"
#include "qemu/notify.h"
#define ACPI_GICC_ENABLED 1
typedef struct VirtGuestInfo {
int smp_cpus;
FWCfgState *fw_cfg;
const MemMapEntry *memmap;
const int *irqmap;
bool use_highmem;
int gic_version;
bool no_its;
} VirtGuestInfo;
typedef struct VirtGuestInfoState {
VirtGuestInfo info;
Notifier machine_done;
} VirtGuestInfoState;
void virt_acpi_setup(VirtGuestInfo *guest_info);
#endif

View File

@ -32,6 +32,9 @@
#include "qemu-common.h"
#include "exec/hwaddr.h"
#include "qemu/notify.h"
#include "hw/boards.h"
#include "hw/arm/arm.h"
#define NUM_GICV2M_SPIS 64
#define NUM_VIRTIO_TRANSPORTS 32
@ -74,5 +77,41 @@ typedef struct MemMapEntry {
hwaddr size;
} MemMapEntry;
typedef struct {
MachineClass parent;
bool disallow_affinity_adjustment;
bool no_its;
bool no_pmu;
bool claim_edge_triggered_timers;
} VirtMachineClass;
#endif
typedef struct {
MachineState parent;
Notifier machine_done;
FWCfgState *fw_cfg;
bool secure;
bool highmem;
int32_t gic_version;
struct arm_boot_info bootinfo;
const MemMapEntry *memmap;
const int *irqmap;
int smp_cpus;
void *fdt;
int fdt_size;
uint32_t clock_phandle;
uint32_t gic_phandle;
uint32_t msi_phandle;
bool using_psci;
} VirtMachineState;
#define TYPE_VIRT_MACHINE MACHINE_TYPE_NAME("virt")
#define VIRT_MACHINE(obj) \
OBJECT_CHECK(VirtMachineState, (obj), TYPE_VIRT_MACHINE)
#define VIRT_MACHINE_GET_CLASS(obj) \
OBJECT_GET_CLASS(VirtMachineClass, obj, TYPE_VIRT_MACHINE)
#define VIRT_MACHINE_CLASS(klass) \
OBJECT_CLASS_CHECK(VirtMachineClass, klass, TYPE_VIRT_MACHINE)
void virt_acpi_setup(VirtMachineState *vms);
#endif /* QEMU_ARM_VIRT_H */

View File

@ -32,14 +32,22 @@ typedef struct I2CSlaveClass
/* Callbacks provided by the device. */
int (*init)(I2CSlave *dev);
/* Master to slave. */
/* Master to slave. Returns non-zero for a NAK, 0 for success. */
int (*send)(I2CSlave *s, uint8_t data);
/* Slave to master. */
/*
* Slave to master. This cannot fail, the device should always
* return something here. Negative values probably result in 0xff
* and a possible log from the driver, and shouldn't be used.
*/
int (*recv)(I2CSlave *s);
/* Notify the slave of a bus state change. */
void (*event)(I2CSlave *s, enum i2c_event event);
/*
* Notify the slave of a bus state change. For start event,
* returns non-zero to NAK an operation. For other events the
* return code is not used and should be zero.
*/
int (*event)(I2CSlave *s, enum i2c_event event);
} I2CSlaveClass;
struct I2CSlave