select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_HAVE_CUSTOM_GPIO_H
+ select ARCH_USE_CMPXCHG_LOCKREF
select ARCH_WANT_IPC_PARSE_VERSION
select BUILDTIME_EXTABLE_SORT if MMU
select CLONE_BACKWARDS
select HAVE_MOD_ARCH_SPECIFIC if ARM_UNWIND
select HAVE_OPROFILE if (HAVE_PERF_EVENTS)
select HAVE_PERF_EVENTS
+ select HAVE_PERF_REGS
+ select HAVE_PERF_USER_STACK_DUMP
select HAVE_REGS_AND_STACK_ACCESS_API
select HAVE_SYSCALL_TRACEPOINTS
select HAVE_UID16
+ select HAVE_VIRT_CPU_ACCOUNTING_GEN
select IRQ_FORCED_THREADING
select KTIME_SCALAR
select MODULES_USE_ELF_REL
select NEED_MACH_MEMORY_H
select PLAT_VERSATILE
select SPARSE_IRQ
+ select USE_OF
select VERSATILE_FPGA_IRQ
help
Support for ARM's Integrator platform.
bool "Atmel AT91"
select ARCH_REQUIRE_GPIOLIB
select CLKDEV_LOOKUP
- select HAVE_CLK
select IRQ_DOMAIN
select NEED_MACH_GPIO_H
select NEED_MACH_IO_H if PCCARD
bool "Cirrus Logic CLPS711x/EP721x/EP731x-based"
select ARCH_REQUIRE_GPIOLIB
select AUTO_ZRELADDR
- select CLKDEV_LOOKUP
select CLKSRC_MMIO
select COMMON_CLK
select CPU_ARM720T
config ARCH_GEMINI
bool "Cortina Systems Gemini"
select ARCH_REQUIRE_GPIOLIB
- select ARCH_USES_GETTIMEOFFSET
+ select CLKSRC_MMIO
select CPU_FA526
- select NEED_MACH_GPIO_H
+ select GENERIC_CLOCKEVENTS
help
Support for the Cortina Systems Gemini family SoCs
depends on MMU
select ARCH_REQUIRE_GPIOLIB
select CPU_XSCALE
- select NEED_MACH_GPIO_H
+ select GPIO_IOP
select NEED_RET_TO_USER
select PCI
select PLAT_IOP
depends on MMU
select ARCH_REQUIRE_GPIOLIB
select CPU_XSCALE
- select NEED_MACH_GPIO_H
+ select GPIO_IOP
select NEED_RET_TO_USER
select PCI
select PLAT_IOP
bool "IXP4xx-based"
depends on MMU
select ARCH_HAS_DMA_SET_COHERENT_MASK
+ select ARCH_SUPPORTS_BIG_ENDIAN
select ARCH_REQUIRE_GPIOLIB
select CLKSRC_MMIO
select CPU_XSCALE
select GPIO_PXA
select IRQ_DOMAIN
select MULTI_IRQ_HANDLER
- select NEED_MACH_GPIO_H
select PINCTRL
select PLAT_PXA
select SPARSE_IRQ
select GPIO_PXA
select HAVE_IDE
select MULTI_IRQ_HANDLER
- select NEED_MACH_GPIO_H
select PLAT_PXA
select SPARSE_IRQ
help
config ARCH_MSM
bool "Qualcomm MSM"
select ARCH_REQUIRE_GPIOLIB
- select CLKDEV_LOOKUP
select CLKSRC_OF if OF
select COMMON_CLK
select GENERIC_CLOCKEVENTS
select GENERIC_CLOCKEVENTS
select HAVE_ARM_SCU if SMP
select HAVE_ARM_TWD if SMP
- select HAVE_CLK
select HAVE_MACH_CLKDEV
select HAVE_SMP
select MIGHT_HAVE_CACHE_L2X0
select GENERIC_CLOCKEVENTS
select HAVE_IDE
select ISA
- select NEED_MACH_GPIO_H
select NEED_MACH_MEMORY_H
select SPARSE_IRQ
help
select CLKSRC_SAMSUNG_PWM
select GENERIC_CLOCKEVENTS
select GPIO_SAMSUNG
- select HAVE_CLK
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C2410_WATCHDOG if WATCHDOG
select HAVE_S3C_RTC if RTC_CLASS
select ARM_VIC
select CLKDEV_LOOKUP
select CLKSRC_SAMSUNG_PWM
+ select COMMON_CLK
select CPU_V6
select GENERIC_CLOCKEVENTS
select GPIO_SAMSUNG
- select HAVE_CLK
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C2410_WATCHDOG if WATCHDOG
select HAVE_TCM
select NEED_MACH_GPIO_H
select NO_IOPORT
select PLAT_SAMSUNG
+ select PM_GENERIC_DOMAINS
select S3C_DEV_NAND
select S3C_GPIO_TRACK
select SAMSUNG_ATAGS
- select SAMSUNG_CLKSRC
select SAMSUNG_GPIOLIB_4BIT
+ select SAMSUNG_WAKEMASK
select SAMSUNG_WDT_RESET
select USB_ARCH_HAS_OHCI
help
select CPU_V6
select GENERIC_CLOCKEVENTS
select GPIO_SAMSUNG
- select HAVE_CLK
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C2410_WATCHDOG if WATCHDOG
select HAVE_S3C_RTC if RTC_CLASS
select CPU_V7
select GENERIC_CLOCKEVENTS
select GPIO_SAMSUNG
- select HAVE_CLK
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C2410_WATCHDOG if WATCHDOG
select HAVE_S3C_RTC if RTC_CLASS
select CPU_V7
select GENERIC_CLOCKEVENTS
select GPIO_SAMSUNG
- select HAVE_CLK
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C2410_WATCHDOG if WATCHDOG
select HAVE_S3C_RTC if RTC_CLASS
select ARCH_REQUIRE_GPIOLIB
select ARCH_SPARSEMEM_ENABLE
select ARM_GIC
- select CLKDEV_LOOKUP
select COMMON_CLK
select CPU_V7
select GENERIC_CLOCKEVENTS
- select HAVE_CLK
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C2410_WATCHDOG if WATCHDOG
select HAVE_S3C_RTC if RTC_CLASS
help
Support for SAMSUNG's EXYNOS SoCs (EXYNOS4/5)
-config ARCH_SHARK
- bool "Shark"
- select ARCH_USES_GETTIMEOFFSET
- select CPU_SA110
- select ISA
- select ISA_DMA
- select NEED_MACH_MEMORY_H
- select PCI
- select VIRT_TO_BUS
- select ZONE_DMA
- help
- Support for the StrongARM based Digital DNARD machine, also known
- as "Shark" (<http://www.shark-linux.de/shark.html>).
-
config ARCH_DAVINCI
bool "TI DaVinci"
select ARCH_HAS_HOLES_MEMORYMODEL
select GENERIC_CLOCKEVENTS
select GENERIC_IRQ_CHIP
select HAVE_IDE
- select NEED_MACH_GPIO_H
select TI_PRIV_EDMA
select USE_OF
select ZONE_DMA
select CLKSRC_MMIO
select GENERIC_CLOCKEVENTS
select GENERIC_IRQ_CHIP
- select HAVE_CLK
select HAVE_IDE
select IRQ_DOMAIN
select NEED_MACH_IO_H if PCCARD
source "arch/arm/mach-s3c24xx/Kconfig"
-if ARCH_S3C64XX
source "arch/arm/mach-s3c64xx/Kconfig"
-endif
source "arch/arm/mach-s5p64x0/Kconfig"
Enable support for iWMMXt context switching at run time if
running on a CPU that supports it.
- config XSCALE_PMU
- bool
- depends on CPU_XSCALE
- default y
-
config MULTI_IRQ_HANDLER
bool
help
config PCI_SYSCALL
def_bool PCI
-# Select the host bridge type
-config PCI_HOST_VIA82C505
- bool
- depends on PCI && ARCH_SHARK
- default y
-
config PCI_HOST_ITE8152
bool
depends on PCI && MACH_ARMCORE
for (multi-)cluster based systems, such as big.LITTLE based
systems.
+ config BIG_LITTLE
+ bool "big.LITTLE support (Experimental)"
+ depends on CPU_V7 && SMP
+ select MCPM
+ help
+ This option enables support selections for the big.LITTLE
+ system architecture.
+
+ config BL_SWITCHER
+ bool "big.LITTLE switcher support"
+ depends on BIG_LITTLE && MCPM && HOTPLUG_CPU
+ select CPU_PM
+ select ARM_CPU_SUSPEND
+ help
+ The big.LITTLE "switcher" provides the core functionality to
+ transparently handle transition between a cluster of A15's
+ and a cluster of A7's in a big.LITTLE system.
+
+ config BL_SWITCHER_DUMMY_IF
+ tristate "Simple big.LITTLE switcher user interface"
+ depends on BL_SWITCHER && DEBUG_KERNEL
+ help
+ This is a simple and dummy char dev interface to control
+ the big.LITTLE switcher core code. It is meant for
+ debugging purposes only.
+
choice
prompt "Memory split"
default VMSPLIT_3G
config DEBUG_MSM_UART1
bool "Kernel low-level debugging messages via MSM UART1"
depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50
+ select DEBUG_MSM_UART
help
Say Y here if you want the debug print routines to direct
their output to the first serial port on MSM devices.
config DEBUG_MSM_UART2
bool "Kernel low-level debugging messages via MSM UART2"
depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50
+ select DEBUG_MSM_UART
help
Say Y here if you want the debug print routines to direct
their output to the second serial port on MSM devices.
config DEBUG_MSM_UART3
bool "Kernel low-level debugging messages via MSM UART3"
depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50
+ select DEBUG_MSM_UART
help
Say Y here if you want the debug print routines to direct
their output to the third serial port on MSM devices.
bool "Kernel low-level debugging messages via MSM 8660 UART"
depends on ARCH_MSM8X60
select MSM_HAS_DEBUG_UART_HS
+ select DEBUG_MSM_UART
help
Say Y here if you want the debug print routines to direct
their output to the serial port on MSM 8660 devices.
bool "Kernel low-level debugging messages via MSM 8960 UART"
depends on ARCH_MSM8960
select MSM_HAS_DEBUG_UART_HS
+ select DEBUG_MSM_UART
help
Say Y here if you want the debug print routines to direct
their output to the serial port on MSM 8960 devices.
+ config DEBUG_MSM8974_UART
+ bool "Kernel low-level debugging messages via MSM 8974 UART"
+ depends on ARCH_MSM8974
+ select MSM_HAS_DEBUG_UART_HS
+ select DEBUG_MSM_UART
+ help
+ Say Y here if you want the debug print routines to direct
+ their output to the serial port on MSM 8974 devices.
+
config DEBUG_MVEBU_UART
bool "Kernel low-level debugging messages via MVEBU UART (old bootloaders)"
depends on ARCH_MVEBU
when u-boot hands over to the kernel, the system
silently crashes, with no serial output at all.
+ config DEBUG_VF_UART
+ bool "Vybrid UART"
+ depends on SOC_VF610
+ help
+ Say Y here if you want kernel low-level debugging support
+ on Vybrid based platforms.
+
config DEBUG_NOMADIK_UART
bool "Kernel low-level debugging messages via NOMADIK UART"
depends on ARCH_NOMADIK
options; the platform specific options are deprecated
and will be soon removed.
+ config DEBUG_LL_UART_EFM32
+ bool "Kernel low-level debugging via efm32 UART"
+ depends on ARCH_EFM32
+ help
+ Say Y here if you want the debug print routines to direct
+ their output to an UART or USART port on efm32 based
+ machines. Use the following addresses for DEBUG_UART_PHYS:
+
+ 0x4000c000 | USART0
+ 0x4000c400 | USART1
+ 0x4000c800 | USART2
+ 0x4000e000 | UART0
+ 0x4000e400 | UART1
+
config DEBUG_LL_UART_PL01X
bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART"
help
bool
depends on ARCH_STI
+ config DEBUG_MSM_UART
+ bool
+ depends on ARCH_MSM
+
config DEBUG_LL_INCLUDE
string
default "debug/8250.S" if DEBUG_LL_UART_8250 || DEBUG_UART_8250
default "debug/pl01x.S" if DEBUG_LL_UART_PL01X || DEBUG_UART_PL01X
default "debug/exynos.S" if DEBUG_EXYNOS_UART
+ default "debug/efm32.S" if DEBUG_LL_UART_EFM32
default "debug/icedcc.S" if DEBUG_ICEDCC
default "debug/imx.S" if DEBUG_IMX1_UART || \
DEBUG_IMX25_UART || \
DEBUG_IMX53_UART ||\
DEBUG_IMX6Q_UART || \
DEBUG_IMX6SL_UART
- default "debug/msm.S" if DEBUG_MSM_UART1 || \
- DEBUG_MSM_UART2 || \
- DEBUG_MSM_UART3 || \
- DEBUG_MSM8660_UART || \
- DEBUG_MSM8960_UART
+ default "debug/msm.S" if DEBUG_MSM_UART
default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART
default "debug/sirf.S" if DEBUG_SIRFPRIMA2_UART1 || DEBUG_SIRFMARCO_UART1
default "debug/sti.S" if DEBUG_STI_UART
default "debug/tegra.S" if DEBUG_TEGRA_UART
default "debug/ux500.S" if DEBUG_UX500_UART
default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT
+ default "debug/vf.S" if DEBUG_VF_UART
default "debug/vt8500.S" if DEBUG_VT8500_UART0
default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1
default "mach/debug-macro.S"
default 0x20064000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2
default 0x20068000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3
default 0x20201000 if DEBUG_BCM2835
+ default 0x4000e400 if DEBUG_LL_UART_EFM32
default 0x40090000 if ARCH_LPC32XX
default 0x40100000 if DEBUG_PXA_UART1
default 0x42000000 if ARCH_GEMINI
default 0xfff36000 if DEBUG_HIGHBANK_UART
default 0xfffff700 if ARCH_IOP33X
depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \
+ DEBUG_LL_UART_EFM32 || \
DEBUG_UART_8250 || DEBUG_UART_PL01X
config DEBUG_UART_VIRT
LDFLAGS_vmlinux :=-p --no-undefined -X
ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
LDFLAGS_vmlinux += --be8
+ LDFLAGS_MODULE += --be8
endif
OBJCOPYFLAGS :=-O binary -R .comment -S
machine-$(CONFIG_ARCH_S5PC100) += s5pc100
machine-$(CONFIG_ARCH_S5PV210) += s5pv210
machine-$(CONFIG_ARCH_SA1100) += sa1100
-machine-$(CONFIG_ARCH_SHARK) += shark
machine-$(CONFIG_ARCH_SHMOBILE) += shmobile
machine-$(CONFIG_ARCH_SHMOBILE_MULTI) += shmobile
machine-$(CONFIG_ARCH_SIRF) += prima2
obj-$(CONFIG_ICST) += icst.o
obj-$(CONFIG_SA1111) += sa1111.o
-obj-$(CONFIG_PCI_HOST_VIA82C505) += via82c505.o
obj-$(CONFIG_DMABOUNCE) += dmabounce.o
obj-$(CONFIG_SHARP_LOCOMO) += locomo.o
obj-$(CONFIG_SHARP_PARAM) += sharpsl_param.o
AFLAGS_mcpm_head.o := -march=armv7-a
AFLAGS_vlock.o := -march=armv7-a
obj-$(CONFIG_TI_PRIV_EDMA) += edma.o
+ obj-$(CONFIG_BL_SWITCHER) += bL_switcher.o
+ obj-$(CONFIG_BL_SWITCHER_DUMMY_IF) += bL_switcher_dummy_if.o
generic-y += serial.h
generic-y += shmbuf.h
generic-y += siginfo.h
+ generic-y += simd.h
generic-y += sizes.h
generic-y += socket.h
generic-y += sockios.h
generic-y += timex.h
generic-y += trace_clock.h
generic-y += unaligned.h
+generic-y += preempt.h
#include <asm/sections.h>
#include <asm/smp_plat.h>
#include <asm/unwind.h>
+ #include <asm/opcodes.h>
#ifdef CONFIG_XIP_KERNEL
/*
void *module_alloc(unsigned long size)
{
return __vmalloc_node_range(size, 1, MODULES_VADDR, MODULES_END,
- GFP_KERNEL, PAGE_KERNEL_EXEC, -1,
+ GFP_KERNEL, PAGE_KERNEL_EXEC, NUMA_NO_NODE,
__builtin_return_address(0));
}
#endif
Elf32_Sym *sym;
const char *symname;
s32 offset;
+ u32 tmp;
#ifdef CONFIG_THUMB2_KERNEL
u32 upper, lower, sign, j1, j2;
#endif
case R_ARM_PC24:
case R_ARM_CALL:
case R_ARM_JUMP24:
- offset = (*(u32 *)loc & 0x00ffffff) << 2;
+ offset = __mem_to_opcode_arm(*(u32 *)loc);
+ offset = (offset & 0x00ffffff) << 2;
if (offset & 0x02000000)
offset -= 0x04000000;
}
offset >>= 2;
+ offset &= 0x00ffffff;
- *(u32 *)loc &= 0xff000000;
- *(u32 *)loc |= offset & 0x00ffffff;
+ *(u32 *)loc &= __opcode_to_mem_arm(0xff000000);
+ *(u32 *)loc |= __opcode_to_mem_arm(offset);
break;
case R_ARM_V4BX:
* other bits to re-code instruction as
* MOV PC,Rm.
*/
- *(u32 *)loc &= 0xf000000f;
- *(u32 *)loc |= 0x01a0f000;
+ *(u32 *)loc &= __opcode_to_mem_arm(0xf000000f);
+ *(u32 *)loc |= __opcode_to_mem_arm(0x01a0f000);
break;
case R_ARM_PREL31:
case R_ARM_MOVW_ABS_NC:
case R_ARM_MOVT_ABS:
- offset = *(u32 *)loc;
+ offset = tmp = __mem_to_opcode_arm(*(u32 *)loc);
offset = ((offset & 0xf0000) >> 4) | (offset & 0xfff);
offset = (offset ^ 0x8000) - 0x8000;
if (ELF32_R_TYPE(rel->r_info) == R_ARM_MOVT_ABS)
offset >>= 16;
- *(u32 *)loc &= 0xfff0f000;
- *(u32 *)loc |= ((offset & 0xf000) << 4) |
- (offset & 0x0fff);
+ tmp &= 0xfff0f000;
+ tmp |= ((offset & 0xf000) << 4) |
+ (offset & 0x0fff);
+
+ *(u32 *)loc = __opcode_to_mem_arm(tmp);
break;
#ifdef CONFIG_THUMB2_KERNEL
case R_ARM_THM_CALL:
case R_ARM_THM_JUMP24:
- upper = *(u16 *)loc;
- lower = *(u16 *)(loc + 2);
+ upper = __mem_to_opcode_thumb16(*(u16 *)loc);
+ lower = __mem_to_opcode_thumb16(*(u16 *)(loc + 2));
/*
* 25 bit signed address range (Thumb-2 BL and B.W
sign = (offset >> 24) & 1;
j1 = sign ^ (~(offset >> 23) & 1);
j2 = sign ^ (~(offset >> 22) & 1);
- *(u16 *)loc = (u16)((upper & 0xf800) | (sign << 10) |
+ upper = (u16)((upper & 0xf800) | (sign << 10) |
((offset >> 12) & 0x03ff));
- *(u16 *)(loc + 2) = (u16)((lower & 0xd000) |
- (j1 << 13) | (j2 << 11) |
- ((offset >> 1) & 0x07ff));
+ lower = (u16)((lower & 0xd000) |
+ (j1 << 13) | (j2 << 11) |
+ ((offset >> 1) & 0x07ff));
+
+ *(u16 *)loc = __opcode_to_mem_thumb16(upper);
+ *(u16 *)(loc + 2) = __opcode_to_mem_thumb16(lower);
break;
case R_ARM_THM_MOVW_ABS_NC:
case R_ARM_THM_MOVT_ABS:
- upper = *(u16 *)loc;
- lower = *(u16 *)(loc + 2);
+ upper = __mem_to_opcode_thumb16(*(u16 *)loc);
+ lower = __mem_to_opcode_thumb16(*(u16 *)(loc + 2));
/*
* MOVT/MOVW instructions encoding in Thumb-2:
if (ELF32_R_TYPE(rel->r_info) == R_ARM_THM_MOVT_ABS)
offset >>= 16;
- *(u16 *)loc = (u16)((upper & 0xfbf0) |
- ((offset & 0xf000) >> 12) |
- ((offset & 0x0800) >> 1));
- *(u16 *)(loc + 2) = (u16)((lower & 0x8f00) |
- ((offset & 0x0700) << 4) |
- (offset & 0x00ff));
+ upper = (u16)((upper & 0xfbf0) |
+ ((offset & 0xf000) >> 12) |
+ ((offset & 0x0800) >> 1));
+ lower = (u16)((lower & 0x8f00) |
+ ((offset & 0x0700) << 4) |
+ (offset & 0x00ff));
+ *(u16 *)loc = __opcode_to_mem_thumb16(upper);
+ *(u16 *)(loc + 2) = __opcode_to_mem_thumb16(lower);
break;
#endif
#endif
extern void paging_init(const struct machine_desc *desc);
+ extern void early_paging_init(const struct machine_desc *,
+ struct proc_info_list *);
extern void sanity_check_meminfo(void);
extern enum reboot_mode reboot_mode;
extern void setup_dma_zone(const struct machine_desc *desc);
elf_hwcap &= ~(HWCAP_THUMB | HWCAP_IDIVT);
#endif
+ erratum_a15_798181_init();
+
feat_v6_fixup();
cacheid_init();
/* can't use cpu_relax() here as it may require MMU setup */;
}
- int __init arm_add_memory(phys_addr_t start, phys_addr_t size)
+ int __init arm_add_memory(u64 start, u64 size)
{
struct membank *bank = &meminfo.bank[meminfo.nr_banks];
+ u64 aligned_start;
if (meminfo.nr_banks >= NR_BANKS) {
printk(KERN_CRIT "NR_BANKS too low, "
* Size is appropriately rounded down, start is rounded up.
*/
size -= start & ~PAGE_MASK;
- bank->start = PAGE_ALIGN(start);
+ aligned_start = PAGE_ALIGN(start);
- #ifndef CONFIG_ARM_LPAE
- if (bank->start + size < bank->start) {
+ #ifndef CONFIG_ARCH_PHYS_ADDR_T_64BIT
+ if (aligned_start > ULONG_MAX) {
+ printk(KERN_CRIT "Ignoring memory at 0x%08llx outside "
+ "32-bit physical address space\n", (long long)start);
+ return -EINVAL;
+ }
+
+ if (aligned_start + size > ULONG_MAX) {
printk(KERN_CRIT "Truncating memory at 0x%08llx to fit in "
"32-bit physical address space\n", (long long)start);
/*
* 32 bits, we use ULONG_MAX as the upper limit rather than 4GB.
* This means we lose a page after masking.
*/
- size = ULONG_MAX - bank->start;
+ size = ULONG_MAX - aligned_start;
}
#endif
+ bank->start = aligned_start;
bank->size = size & ~(phys_addr_t)(PAGE_SIZE - 1);
/*
static int __init early_mem(char *p)
{
static int usermem __initdata = 0;
- phys_addr_t size;
- phys_addr_t start;
+ u64 size;
+ u64 start;
char *endp;
/*
parse_early_param();
sort(&meminfo.bank, meminfo.nr_banks, sizeof(meminfo.bank[0]), meminfo_cmp, NULL);
+
+ early_paging_init(mdesc, lookup_processor_type(read_cpuid_id()));
sanity_check_meminfo();
arm_memblock_init(&meminfo, mdesc);
"idivt",
"vfpd32",
"lpae",
+ "evtstrm",
NULL
};
select ARCH_HAS_CPUFREQ
select ARCH_HAS_HOLES_MEMORYMODEL
select ARCH_HAS_OPP
+ select ARCH_SUPPORTS_BIG_ENDIAN
select ARCH_WANT_OPTIONAL_GPIOLIB
select ARM_AMBA
select ARM_ERRATA_764369
select ARM_ERRATA_775420
- select ARM_ERRATA_798181
+ select ARM_ERRATA_798181 if SMP
select ARM_GIC
+ select ARM_PSCI
select ARM_TIMER_SP804
select CACHE_L2X0
- select CLKDEV_LOOKUP
select COMMON_CLK
select CPU_V7
select GENERIC_CLOCKEVENTS
select ARCH_HAS_CPUFREQ
select ARCH_REQUIRE_GPIOLIB
select ARM_GIC
- select CLKDEV_LOOKUP
select CLKSRC_MMIO
select CLKSRC_OF
select COMMON_CLK
select GENERIC_CLOCKEVENTS
select HAVE_ARM_SCU if SMP
select HAVE_ARM_TWD if SMP
- select HAVE_CLK
select HAVE_SMP
select MIGHT_HAVE_CACHE_L2X0
select MIGHT_HAVE_PCI
config ARCH_TEGRA_114_SOC
bool "Enable support for Tegra114 family"
- select ARM_ERRATA_798181
- select HAVE_ARM_ARCH_TIMER
+ select ARM_ERRATA_798181 if SMP
select ARM_L1_CACHE_SHIFT_6
+ select HAVE_ARM_ARCH_TIMER
select PINCTRL_TEGRA114
help
Support for NVIDIA Tegra T114 processor family, based on the
ARM CortexA15MP CPU
+config ARCH_TEGRA_124_SOC
+ bool "Enable support for Tegra124 family"
+ select ARM_L1_CACHE_SHIFT_6
+ select HAVE_ARM_ARCH_TIMER
+ help
+ Support for NVIDIA Tegra T124 processor family, based on the
+ ARM CortexA15MP CPU
+
config TEGRA_AHB
bool "Enable AHB driver for NVIDIA Tegra SoCs"
default y
config ARCH_VEXPRESS
bool "ARM Ltd. Versatile Express family" if ARCH_MULTI_V7
select ARCH_REQUIRE_GPIOLIB
+ select ARCH_SUPPORTS_BIG_ENDIAN
select ARM_AMBA
select ARM_GIC
select ARM_TIMER_SP804
- select CLKDEV_LOOKUP
select COMMON_CLK
select COMMON_CLK_VERSATILE
select CPU_V7
select GENERIC_CLOCKEVENTS
select HAVE_ARM_SCU if SMP
select HAVE_ARM_TWD if SMP
- select HAVE_CLK
select HAVE_PATA_PLATFORM
select HAVE_SMP
select ICST
static u64 get_coherent_dma_mask(struct device *dev)
{
- u64 mask = (u64)arm_dma_limit;
+ u64 mask = (u64)DMA_BIT_MASK(32);
if (dev) {
mask = dev->coherent_dma_mask;
return 0;
}
- if ((~mask) & (u64)arm_dma_limit) {
- dev_warn(dev, "coherent DMA mask %#llx is smaller "
- "than system GFP_DMA mask %#llx\n",
- mask, (u64)arm_dma_limit);
+ /*
+ * If the mask allows for more memory than we can address,
+ * and we actually have that much memory, then fail the
+ * allocation.
+ */
+ if (sizeof(mask) != sizeof(dma_addr_t) &&
+ mask > (dma_addr_t)~0 &&
+ dma_to_pfn(dev, ~0) > arm_dma_pfn_limit) {
+ dev_warn(dev, "Coherent DMA mask %#llx is larger than dma_addr_t allows\n",
+ mask);
+ dev_warn(dev, "Driver did not use or check the return value from dma_set_coherent_mask()?\n");
+ return 0;
+ }
+
+ /*
+ * Now check that the mask, when translated to a PFN,
+ * fits within the allowable addresses which we can
+ * allocate.
+ */
+ if (dma_to_pfn(dev, mask) < arm_dma_pfn_limit) {
+ dev_warn(dev, "Coherent DMA mask %#llx (pfn %#lx-%#lx) covers a smaller range of system memory than the DMA zone pfn 0x0-%#lx\n",
+ mask,
+ dma_to_pfn(dev, 0), dma_to_pfn(dev, mask) + 1,
+ arm_dma_pfn_limit + 1);
return 0;
}
}
void *arm_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle,
gfp_t gfp, struct dma_attrs *attrs)
{
- pgprot_t prot = __get_dma_pgprot(attrs, pgprot_kernel);
+ pgprot_t prot = __get_dma_pgprot(attrs, PAGE_KERNEL);
void *memory;
if (dma_alloc_from_coherent(dev, size, handle, &memory))
static void *arm_coherent_dma_alloc(struct device *dev, size_t size,
dma_addr_t *handle, gfp_t gfp, struct dma_attrs *attrs)
{
- pgprot_t prot = __get_dma_pgprot(attrs, pgprot_kernel);
+ pgprot_t prot = __get_dma_pgprot(attrs, PAGE_KERNEL);
void *memory;
if (dma_alloc_from_coherent(dev, size, handle, &memory))
*/
int dma_supported(struct device *dev, u64 mask)
{
- if (mask < (u64)arm_dma_limit)
+ unsigned long limit;
+
+ /*
+ * If the mask allows for more memory than we can address,
+ * and we actually have that much memory, then we must
+ * indicate that DMA to this device is not supported.
+ */
+ if (sizeof(mask) != sizeof(dma_addr_t) &&
+ mask > (dma_addr_t)~0 &&
+ dma_to_pfn(dev, ~0) > arm_dma_pfn_limit)
+ return 0;
+
+ /*
+ * Translate the device's DMA mask to a PFN limit. This
+ * PFN number includes the page which we can DMA to.
+ */
+ limit = dma_to_pfn(dev, mask);
+
+ if (limit < arm_dma_pfn_limit)
return 0;
+
return 1;
}
EXPORT_SYMBOL(dma_supported);
/*
* PMXEVTYPER: Event selection reg
*/
-#define ARMV8_EVTYPE_MASK 0xc80000ff /* Mask for writable bits */
-#define ARMV8_EVTYPE_EVENT 0xff /* Mask for EVENT bits */
+#define ARMV8_EVTYPE_MASK 0xc80003ff /* Mask for writable bits */
+#define ARMV8_EVTYPE_EVENT 0x3ff /* Mask for EVENT bits */
/*
* Event filters for PMUv3
*/
regs = get_irq_regs();
- cpuc = &__get_cpu_var(cpu_hw_events);
+ cpuc = this_cpu_ptr(&cpu_hw_events);
for (idx = 0; idx < cpu_pmu->num_events; ++idx) {
struct perf_event *event = cpuc->events[idx];
struct hw_perf_event *hwc;
static int armv8_pmuv3_map_event(struct perf_event *event)
{
return map_cpu_event(event, &armv8_pmuv3_perf_map,
- &armv8_pmuv3_perf_cache_map, 0xFF);
+ &armv8_pmuv3_perf_cache_map,
+ ARMV8_EVTYPE_EVENT);
}
static struct arm_pmu armv8pmu = {
static struct pmu_hw_events *armpmu_get_cpu_events(void)
{
- return &__get_cpu_var(cpu_hw_events);
+ return this_cpu_ptr(&cpu_hw_events);
}
static void __init cpu_pmu_init(struct arm_pmu *armpmu)
#include <linux/io.h>
#include <linux/module.h>
#include <linux/of_address.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
#include <linux/slab.h>
+#include <linux/spinlock.h>
#include <asm/cacheflush.h>
+#include <asm/irq_regs.h>
+#include <asm/pmu.h>
#include <asm/smp_plat.h>
+#define DRIVER_NAME "CCI-400"
+#define DRIVER_NAME_PMU DRIVER_NAME " PMU"
+#define PMU_NAME "CCI_400"
+
#define CCI_PORT_CTRL 0x0
#define CCI_CTRL_STATUS 0xc
static void __iomem *cci_ctrl_base;
static unsigned long cci_ctrl_phys;
+#ifdef CONFIG_HW_PERF_EVENTS
+
+#define CCI_PMCR 0x0100
+#define CCI_PID2 0x0fe8
+
+#define CCI_PMCR_CEN 0x00000001
+#define CCI_PMCR_NCNT_MASK 0x0000f800
+#define CCI_PMCR_NCNT_SHIFT 11
+
+#define CCI_PID2_REV_MASK 0xf0
+#define CCI_PID2_REV_SHIFT 4
+
+/* Port ids */
+#define CCI_PORT_S0 0
+#define CCI_PORT_S1 1
+#define CCI_PORT_S2 2
+#define CCI_PORT_S3 3
+#define CCI_PORT_S4 4
+#define CCI_PORT_M0 5
+#define CCI_PORT_M1 6
+#define CCI_PORT_M2 7
+
+#define CCI_REV_R0 0
+#define CCI_REV_R1 1
+#define CCI_REV_R0_P4 4
+#define CCI_REV_R1_P2 6
+
+#define CCI_PMU_EVT_SEL 0x000
+#define CCI_PMU_CNTR 0x004
+#define CCI_PMU_CNTR_CTRL 0x008
+#define CCI_PMU_OVRFLW 0x00c
+
+#define CCI_PMU_OVRFLW_FLAG 1
+
+#define CCI_PMU_CNTR_BASE(idx) ((idx) * SZ_4K)
+
+/*
+ * Instead of an event id to monitor CCI cycles, a dedicated counter is
+ * provided. Use 0xff to represent CCI cycles and hope that no future revisions
+ * make use of this event in hardware.
+ */
+enum cci400_perf_events {
+ CCI_PMU_CYCLES = 0xff
+};
+
+#define CCI_PMU_EVENT_MASK 0xff
+#define CCI_PMU_EVENT_SOURCE(event) ((event >> 5) & 0x7)
+#define CCI_PMU_EVENT_CODE(event) (event & 0x1f)
+
+#define CCI_PMU_MAX_HW_EVENTS 5 /* CCI PMU has 4 counters + 1 cycle counter */
+
+#define CCI_PMU_CYCLE_CNTR_IDX 0
+#define CCI_PMU_CNTR0_IDX 1
+#define CCI_PMU_CNTR_LAST(cci_pmu) (CCI_PMU_CYCLE_CNTR_IDX + cci_pmu->num_events - 1)
+
+/*
+ * CCI PMU event id is an 8-bit value made of two parts - bits 7:5 for one of 8
+ * ports and bits 4:0 are event codes. There are different event codes
+ * associated with each port type.
+ *
+ * Additionally, the range of events associated with the port types changed
+ * between Rev0 and Rev1.
+ *
+ * The constants below define the range of valid codes for each port type for
+ * the different revisions and are used to validate the event to be monitored.
+ */
+
+#define CCI_REV_R0_SLAVE_PORT_MIN_EV 0x00
+#define CCI_REV_R0_SLAVE_PORT_MAX_EV 0x13
+#define CCI_REV_R0_MASTER_PORT_MIN_EV 0x14
+#define CCI_REV_R0_MASTER_PORT_MAX_EV 0x1a
+
+#define CCI_REV_R1_SLAVE_PORT_MIN_EV 0x00
+#define CCI_REV_R1_SLAVE_PORT_MAX_EV 0x14
+#define CCI_REV_R1_MASTER_PORT_MIN_EV 0x00
+#define CCI_REV_R1_MASTER_PORT_MAX_EV 0x11
+
+struct pmu_port_event_ranges {
+ u8 slave_min;
+ u8 slave_max;
+ u8 master_min;
+ u8 master_max;
+};
+
+static struct pmu_port_event_ranges port_event_range[] = {
+ [CCI_REV_R0] = {
+ .slave_min = CCI_REV_R0_SLAVE_PORT_MIN_EV,
+ .slave_max = CCI_REV_R0_SLAVE_PORT_MAX_EV,
+ .master_min = CCI_REV_R0_MASTER_PORT_MIN_EV,
+ .master_max = CCI_REV_R0_MASTER_PORT_MAX_EV,
+ },
+ [CCI_REV_R1] = {
+ .slave_min = CCI_REV_R1_SLAVE_PORT_MIN_EV,
+ .slave_max = CCI_REV_R1_SLAVE_PORT_MAX_EV,
+ .master_min = CCI_REV_R1_MASTER_PORT_MIN_EV,
+ .master_max = CCI_REV_R1_MASTER_PORT_MAX_EV,
+ },
+};
+
+struct cci_pmu_drv_data {
+ void __iomem *base;
+ struct arm_pmu *cci_pmu;
+ int nr_irqs;
+ int irqs[CCI_PMU_MAX_HW_EVENTS];
+ unsigned long active_irqs;
+ struct perf_event *events[CCI_PMU_MAX_HW_EVENTS];
+ unsigned long used_mask[BITS_TO_LONGS(CCI_PMU_MAX_HW_EVENTS)];
+ struct pmu_port_event_ranges *port_ranges;
+ struct pmu_hw_events hw_events;
+};
+static struct cci_pmu_drv_data *pmu;
+
+static bool is_duplicate_irq(int irq, int *irqs, int nr_irqs)
+{
+ int i;
+
+ for (i = 0; i < nr_irqs; i++)
+ if (irq == irqs[i])
+ return true;
+
+ return false;
+}
+
+static int probe_cci_revision(void)
+{
+ int rev;
+ rev = readl_relaxed(cci_ctrl_base + CCI_PID2) & CCI_PID2_REV_MASK;
+ rev >>= CCI_PID2_REV_SHIFT;
+
+ if (rev <= CCI_REV_R0_P4)
+ return CCI_REV_R0;
+ else if (rev <= CCI_REV_R1_P2)
+ return CCI_REV_R1;
+
+ return -ENOENT;
+}
+
+static struct pmu_port_event_ranges *port_range_by_rev(void)
+{
+ int rev = probe_cci_revision();
+
+ if (rev < 0)
+ return NULL;
+
+ return &port_event_range[rev];
+}
+
+static int pmu_is_valid_slave_event(u8 ev_code)
+{
+ return pmu->port_ranges->slave_min <= ev_code &&
+ ev_code <= pmu->port_ranges->slave_max;
+}
+
+static int pmu_is_valid_master_event(u8 ev_code)
+{
+ return pmu->port_ranges->master_min <= ev_code &&
+ ev_code <= pmu->port_ranges->master_max;
+}
+
+static int pmu_validate_hw_event(u8 hw_event)
+{
+ u8 ev_source = CCI_PMU_EVENT_SOURCE(hw_event);
+ u8 ev_code = CCI_PMU_EVENT_CODE(hw_event);
+
+ switch (ev_source) {
+ case CCI_PORT_S0:
+ case CCI_PORT_S1:
+ case CCI_PORT_S2:
+ case CCI_PORT_S3:
+ case CCI_PORT_S4:
+ /* Slave Interface */
+ if (pmu_is_valid_slave_event(ev_code))
+ return hw_event;
+ break;
+ case CCI_PORT_M0:
+ case CCI_PORT_M1:
+ case CCI_PORT_M2:
+ /* Master Interface */
+ if (pmu_is_valid_master_event(ev_code))
+ return hw_event;
+ break;
+ }
+
+ return -ENOENT;
+}
+
+static int pmu_is_valid_counter(struct arm_pmu *cci_pmu, int idx)
+{
+ return CCI_PMU_CYCLE_CNTR_IDX <= idx &&
+ idx <= CCI_PMU_CNTR_LAST(cci_pmu);
+}
+
+static u32 pmu_read_register(int idx, unsigned int offset)
+{
+ return readl_relaxed(pmu->base + CCI_PMU_CNTR_BASE(idx) + offset);
+}
+
+static void pmu_write_register(u32 value, int idx, unsigned int offset)
+{
+ return writel_relaxed(value, pmu->base + CCI_PMU_CNTR_BASE(idx) + offset);
+}
+
+static void pmu_disable_counter(int idx)
+{
+ pmu_write_register(0, idx, CCI_PMU_CNTR_CTRL);
+}
+
+static void pmu_enable_counter(int idx)
+{
+ pmu_write_register(1, idx, CCI_PMU_CNTR_CTRL);
+}
+
+static void pmu_set_event(int idx, unsigned long event)
+{
+ event &= CCI_PMU_EVENT_MASK;
+ pmu_write_register(event, idx, CCI_PMU_EVT_SEL);
+}
+
+static u32 pmu_get_max_counters(void)
+{
+ u32 n_cnts = (readl_relaxed(cci_ctrl_base + CCI_PMCR) &
+ CCI_PMCR_NCNT_MASK) >> CCI_PMCR_NCNT_SHIFT;
+
+ /* add 1 for cycle counter */
+ return n_cnts + 1;
+}
+
+static struct pmu_hw_events *pmu_get_hw_events(void)
+{
+ return &pmu->hw_events;
+}
+
+static int pmu_get_event_idx(struct pmu_hw_events *hw, struct perf_event *event)
+{
+ struct arm_pmu *cci_pmu = to_arm_pmu(event->pmu);
+ struct hw_perf_event *hw_event = &event->hw;
+ unsigned long cci_event = hw_event->config_base & CCI_PMU_EVENT_MASK;
+ int idx;
+
+ if (cci_event == CCI_PMU_CYCLES) {
+ if (test_and_set_bit(CCI_PMU_CYCLE_CNTR_IDX, hw->used_mask))
+ return -EAGAIN;
+
+ return CCI_PMU_CYCLE_CNTR_IDX;
+ }
+
+ for (idx = CCI_PMU_CNTR0_IDX; idx <= CCI_PMU_CNTR_LAST(cci_pmu); ++idx)
+ if (!test_and_set_bit(idx, hw->used_mask))
+ return idx;
+
+ /* No counters available */
+ return -EAGAIN;
+}
+
+static int pmu_map_event(struct perf_event *event)
+{
+ int mapping;
+ u8 config = event->attr.config & CCI_PMU_EVENT_MASK;
+
+ if (event->attr.type < PERF_TYPE_MAX)
+ return -ENOENT;
+
+ if (config == CCI_PMU_CYCLES)
+ mapping = config;
+ else
+ mapping = pmu_validate_hw_event(config);
+
+ return mapping;
+}
+
+static int pmu_request_irq(struct arm_pmu *cci_pmu, irq_handler_t handler)
+{
+ int i;
+ struct platform_device *pmu_device = cci_pmu->plat_device;
+
+ if (unlikely(!pmu_device))
+ return -ENODEV;
+
+ if (pmu->nr_irqs < 1) {
+ dev_err(&pmu_device->dev, "no irqs for CCI PMUs defined\n");
+ return -ENODEV;
+ }
+
+ /*
+ * Register all available CCI PMU interrupts. In the interrupt handler
+ * we iterate over the counters checking for interrupt source (the
+ * overflowing counter) and clear it.
+ *
+ * This should allow handling of non-unique interrupt for the counters.
+ */
+ for (i = 0; i < pmu->nr_irqs; i++) {
+ int err = request_irq(pmu->irqs[i], handler, IRQF_SHARED,
+ "arm-cci-pmu", cci_pmu);
+ if (err) {
+ dev_err(&pmu_device->dev, "unable to request IRQ%d for ARM CCI PMU counters\n",
+ pmu->irqs[i]);
+ return err;
+ }
+
+ set_bit(i, &pmu->active_irqs);
+ }
+
+ return 0;
+}
+
+static irqreturn_t pmu_handle_irq(int irq_num, void *dev)
+{
+ unsigned long flags;
+ struct arm_pmu *cci_pmu = (struct arm_pmu *)dev;
+ struct pmu_hw_events *events = cci_pmu->get_hw_events();
+ struct perf_sample_data data;
+ struct pt_regs *regs;
+ int idx, handled = IRQ_NONE;
+
+ raw_spin_lock_irqsave(&events->pmu_lock, flags);
+ regs = get_irq_regs();
+ /*
+ * Iterate over counters and update the corresponding perf events.
+ * This should work regardless of whether we have per-counter overflow
+ * interrupt or a combined overflow interrupt.
+ */
+ for (idx = CCI_PMU_CYCLE_CNTR_IDX; idx <= CCI_PMU_CNTR_LAST(cci_pmu); idx++) {
+ struct perf_event *event = events->events[idx];
+ struct hw_perf_event *hw_counter;
+
+ if (!event)
+ continue;
+
+ hw_counter = &event->hw;
+
+ /* Did this counter overflow? */
+ if (!pmu_read_register(idx, CCI_PMU_OVRFLW) & CCI_PMU_OVRFLW_FLAG)
+ continue;
+
+ pmu_write_register(CCI_PMU_OVRFLW_FLAG, idx, CCI_PMU_OVRFLW);
+
+ handled = IRQ_HANDLED;
+
+ armpmu_event_update(event);
+ perf_sample_data_init(&data, 0, hw_counter->last_period);
+ if (!armpmu_event_set_period(event))
+ continue;
+
+ if (perf_event_overflow(event, &data, regs))
+ cci_pmu->disable(event);
+ }
+ raw_spin_unlock_irqrestore(&events->pmu_lock, flags);
+
+ return IRQ_RETVAL(handled);
+}
+
+static void pmu_free_irq(struct arm_pmu *cci_pmu)
+{
+ int i;
+
+ for (i = 0; i < pmu->nr_irqs; i++) {
+ if (!test_and_clear_bit(i, &pmu->active_irqs))
+ continue;
+
+ free_irq(pmu->irqs[i], cci_pmu);
+ }
+}
+
+static void pmu_enable_event(struct perf_event *event)
+{
+ unsigned long flags;
+ struct arm_pmu *cci_pmu = to_arm_pmu(event->pmu);
+ struct pmu_hw_events *events = cci_pmu->get_hw_events();
+ struct hw_perf_event *hw_counter = &event->hw;
+ int idx = hw_counter->idx;
+
+ if (unlikely(!pmu_is_valid_counter(cci_pmu, idx))) {
+ dev_err(&cci_pmu->plat_device->dev, "Invalid CCI PMU counter %d\n", idx);
+ return;
+ }
+
+ raw_spin_lock_irqsave(&events->pmu_lock, flags);
+
+ /* Configure the event to count, unless you are counting cycles */
+ if (idx != CCI_PMU_CYCLE_CNTR_IDX)
+ pmu_set_event(idx, hw_counter->config_base);
+
+ pmu_enable_counter(idx);
+
+ raw_spin_unlock_irqrestore(&events->pmu_lock, flags);
+}
+
+static void pmu_disable_event(struct perf_event *event)
+{
+ struct arm_pmu *cci_pmu = to_arm_pmu(event->pmu);
+ struct hw_perf_event *hw_counter = &event->hw;
+ int idx = hw_counter->idx;
+
+ if (unlikely(!pmu_is_valid_counter(cci_pmu, idx))) {
+ dev_err(&cci_pmu->plat_device->dev, "Invalid CCI PMU counter %d\n", idx);
+ return;
+ }
+
+ pmu_disable_counter(idx);
+}
+
+static void pmu_start(struct arm_pmu *cci_pmu)
+{
+ u32 val;
+ unsigned long flags;
+ struct pmu_hw_events *events = cci_pmu->get_hw_events();
+
+ raw_spin_lock_irqsave(&events->pmu_lock, flags);
+
+ /* Enable all the PMU counters. */
+ val = readl_relaxed(cci_ctrl_base + CCI_PMCR) | CCI_PMCR_CEN;
+ writel(val, cci_ctrl_base + CCI_PMCR);
+
+ raw_spin_unlock_irqrestore(&events->pmu_lock, flags);
+}
+
+static void pmu_stop(struct arm_pmu *cci_pmu)
+{
+ u32 val;
+ unsigned long flags;
+ struct pmu_hw_events *events = cci_pmu->get_hw_events();
+
+ raw_spin_lock_irqsave(&events->pmu_lock, flags);
+
+ /* Disable all the PMU counters. */
+ val = readl_relaxed(cci_ctrl_base + CCI_PMCR) & ~CCI_PMCR_CEN;
+ writel(val, cci_ctrl_base + CCI_PMCR);
+
+ raw_spin_unlock_irqrestore(&events->pmu_lock, flags);
+}
+
+static u32 pmu_read_counter(struct perf_event *event)
+{
+ struct arm_pmu *cci_pmu = to_arm_pmu(event->pmu);
+ struct hw_perf_event *hw_counter = &event->hw;
+ int idx = hw_counter->idx;
+ u32 value;
+
+ if (unlikely(!pmu_is_valid_counter(cci_pmu, idx))) {
+ dev_err(&cci_pmu->plat_device->dev, "Invalid CCI PMU counter %d\n", idx);
+ return 0;
+ }
+ value = pmu_read_register(idx, CCI_PMU_CNTR);
+
+ return value;
+}
+
+static void pmu_write_counter(struct perf_event *event, u32 value)
+{
+ struct arm_pmu *cci_pmu = to_arm_pmu(event->pmu);
+ struct hw_perf_event *hw_counter = &event->hw;
+ int idx = hw_counter->idx;
+
+ if (unlikely(!pmu_is_valid_counter(cci_pmu, idx)))
+ dev_err(&cci_pmu->plat_device->dev, "Invalid CCI PMU counter %d\n", idx);
+ else
+ pmu_write_register(value, idx, CCI_PMU_CNTR);
+}
+
+static int cci_pmu_init(struct arm_pmu *cci_pmu, struct platform_device *pdev)
+{
+ *cci_pmu = (struct arm_pmu){
+ .name = PMU_NAME,
+ .max_period = (1LLU << 32) - 1,
+ .get_hw_events = pmu_get_hw_events,
+ .get_event_idx = pmu_get_event_idx,
+ .map_event = pmu_map_event,
+ .request_irq = pmu_request_irq,
+ .handle_irq = pmu_handle_irq,
+ .free_irq = pmu_free_irq,
+ .enable = pmu_enable_event,
+ .disable = pmu_disable_event,
+ .start = pmu_start,
+ .stop = pmu_stop,
+ .read_counter = pmu_read_counter,
+ .write_counter = pmu_write_counter,
+ };
+
+ cci_pmu->plat_device = pdev;
+ cci_pmu->num_events = pmu_get_max_counters();
+
+ return armpmu_register(cci_pmu, -1);
+}
+
+static const struct of_device_id arm_cci_pmu_matches[] = {
+ {
+ .compatible = "arm,cci-400-pmu",
+ },
+ {},
+};
+
+static int cci_pmu_probe(struct platform_device *pdev)
+{
+ struct resource *res;
+ int i, ret, irq;
+
+ pmu = devm_kzalloc(&pdev->dev, sizeof(*pmu), GFP_KERNEL);
+ if (!pmu)
+ return -ENOMEM;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ pmu->base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(pmu->base))
+ return -ENOMEM;
+
+ /*
+ * CCI PMU has 5 overflow signals - one per counter; but some may be tied
+ * together to a common interrupt.
+ */
+ pmu->nr_irqs = 0;
+ for (i = 0; i < CCI_PMU_MAX_HW_EVENTS; i++) {
+ irq = platform_get_irq(pdev, i);
+ if (irq < 0)
+ break;
+
+ if (is_duplicate_irq(irq, pmu->irqs, pmu->nr_irqs))
+ continue;
+
+ pmu->irqs[pmu->nr_irqs++] = irq;
+ }
+
+ /*
+ * Ensure that the device tree has as many interrupts as the number
+ * of counters.
+ */
+ if (i < CCI_PMU_MAX_HW_EVENTS) {
+ dev_warn(&pdev->dev, "In-correct number of interrupts: %d, should be %d\n",
+ i, CCI_PMU_MAX_HW_EVENTS);
+ return -EINVAL;
+ }
+
+ pmu->port_ranges = port_range_by_rev();
+ if (!pmu->port_ranges) {
+ dev_warn(&pdev->dev, "CCI PMU version not supported\n");
+ return -EINVAL;
+ }
+
+ pmu->cci_pmu = devm_kzalloc(&pdev->dev, sizeof(*(pmu->cci_pmu)), GFP_KERNEL);
+ if (!pmu->cci_pmu)
+ return -ENOMEM;
+
+ pmu->hw_events.events = pmu->events;
+ pmu->hw_events.used_mask = pmu->used_mask;
+ raw_spin_lock_init(&pmu->hw_events.pmu_lock);
+
+ ret = cci_pmu_init(pmu->cci_pmu, pdev);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static int cci_platform_probe(struct platform_device *pdev)
+{
+ if (!cci_probed())
+ return -ENODEV;
+
+ return of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev);
+}
+
+#endif /* CONFIG_HW_PERF_EVENTS */
+
struct cpu_port {
u64 mpidr;
u32 port;
}
EXPORT_SYMBOL_GPL(cci_ace_get_port);
-static void __init cci_ace_init_ports(void)
+static void cci_ace_init_ports(void)
{
int port, cpu;
struct device_node *cpun;
/* Enable the CCI port */
" ldr r0, [r0, %[offsetof_port_phys]] \n"
- " mov r3, #"__stringify(CCI_ENABLE_REQ)" \n"
+ " mov r3, %[cci_enable_req]\n"
" str r3, [r0, #"__stringify(CCI_PORT_CTRL)"] \n"
/* poll the status reg for completion */
" ldr r0, [r1] \n"
" ldr r0, [r0, r1] @ cci_ctrl_base \n"
"4: ldr r1, [r0, #"__stringify(CCI_CTRL_STATUS)"] \n"
- " tst r1, #1 \n"
+ " tst r1, %[cci_control_status_bits] \n"
" bne 4b \n"
" mov r0, #0 \n"
"7: .word cci_ctrl_phys - . \n"
: :
[sizeof_cpu_port] "i" (sizeof(cpu_port)),
+ [cci_enable_req] "i" cpu_to_le32(CCI_ENABLE_REQ),
+ [cci_control_status_bits] "i" cpu_to_le32(1),
#ifndef __ARMEB__
[offsetof_cpu_port_mpidr_lsb] "i" (offsetof(struct cpu_port, mpidr)),
#else
{},
};
-static int __init cci_probe(void)
+static int cci_probe(void)
{
struct cci_nb_ports const *cci_config;
int ret, i, nb_ace = 0, nb_ace_lite = 0;
static int cci_init_status = -EAGAIN;
static DEFINE_MUTEX(cci_probing);
-static int __init cci_init(void)
+static int cci_init(void)
{
if (cci_init_status != -EAGAIN)
return cci_init_status;
return cci_init_status;
}
+#ifdef CONFIG_HW_PERF_EVENTS
+static struct platform_driver cci_pmu_driver = {
+ .driver = {
+ .name = DRIVER_NAME_PMU,
+ .of_match_table = arm_cci_pmu_matches,
+ },
+ .probe = cci_pmu_probe,
+};
+
+static struct platform_driver cci_platform_driver = {
+ .driver = {
+ .name = DRIVER_NAME,
+ .of_match_table = arm_cci_matches,
+ },
+ .probe = cci_platform_probe,
+};
+
+static int __init cci_platform_init(void)
+{
+ int ret;
+
+ ret = platform_driver_register(&cci_pmu_driver);
+ if (ret)
+ return ret;
+
+ return platform_driver_register(&cci_platform_driver);
+}
+
+#else
+
+static int __init cci_platform_init(void)
+{
+ return 0;
+}
+
+#endif
/*
* To sort out early init calls ordering a helper function is provided to
* check if the CCI driver has beed initialized. Function check if the driver
* has been initialized, if not it calls the init function that probes
* the driver and updates the return value.
*/
-bool __init cci_probed(void)
+bool cci_probed(void)
{
return cci_init() == 0;
}
EXPORT_SYMBOL_GPL(cci_probed);
early_initcall(cci_init);
+core_initcall(cci_platform_init);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("ARM CCI support");
#include <linux/resource.h>
#include <linux/regulator/consumer.h>
- #define AMBA_NR_IRQS 2
+ #define AMBA_NR_IRQS 9
#define AMBA_CID 0xb105f00d
struct clk;
struct device dev;
struct resource res;
struct clk *pclk;
- u64 dma_mask;
unsigned int periphid;
unsigned int irq[AMBA_NR_IRQS];
};
struct amba_device name##_device = { \
.dev = __AMBA_DEV(busid, data, ~0ULL), \
.res = DEFINE_RES_MEM(base, SZ_4K), \
- .dma_mask = ~0ULL, \
.irq = irqs, \
.periphid = id, \
}
endif
ifeq (${IS_X86_64}, 1)
RAW_ARCH := x86_64
- CFLAGS += -DARCH_X86_64
+ CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT
ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
+ LIBUNWIND_LIBS = -lunwind -lunwind-x86_64
+ else
+ LIBUNWIND_LIBS = -lunwind -lunwind-x86
endif
NO_PERF_REGS := 0
- LIBUNWIND_LIBS = -lunwind -lunwind-x86_64
endif
+ ifeq ($(ARCH),arm)
+ NO_PERF_REGS := 0
+ LIBUNWIND_LIBS = -lunwind -lunwind-arm
+ endif
ifeq ($(NO_PERF_REGS),0)
- CFLAGS += -DHAVE_PERF_REGS
+ CFLAGS += -DHAVE_PERF_REGS_SUPPORT
endif
ifeq ($(src-perf),)
# include ARCH specific config
-include $(src-perf)/arch/$(ARCH)/Makefile
-include $(src-perf)/config/feature-tests.mak
include $(src-perf)/config/utilities.mak
ifeq ($(call get-executable,$(FLEX)),)
CFLAGS += -Werror
endif
-ifeq ("$(origin DEBUG)", "command line")
- PERF_DEBUG = $(DEBUG)
+ifndef DEBUG
+ DEBUG := 0
endif
-ifndef PERF_DEBUG
+
+ifeq ($(DEBUG),0)
CFLAGS += -O6
endif
EXTLIBS = -lelf -lpthread -lrt -lm -ldl
-ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -fstack-protector-all,-fstack-protector-all),y)
- CFLAGS += -fstack-protector-all
+ifneq ($(OUTPUT),)
+ OUTPUT_FEATURES = $(OUTPUT)config/feature-checks/
+ $(shell mkdir -p $(OUTPUT_FEATURES))
endif
-ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -Wstack-protector,-Wstack-protector),y)
- CFLAGS += -Wstack-protector
+feature_check = $(eval $(feature_check_code))
+define feature_check_code
+ feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS)" LDFLAGS="$(LDFLAGS)" LIBUNWIND_LIBS="$(LIBUNWIND_LIBS)" -C config/feature-checks test-$1 >/dev/null 2>/dev/null && echo 1 || echo 0)
+endef
+
+feature_set = $(eval $(feature_set_code))
+define feature_set_code
+ feature-$(1) := 1
+endef
+
+#
+# Build the feature check binaries in parallel, ignore errors, ignore return value and suppress output:
+#
+
+#
+# Note that this is not a complete list of all feature tests, just
+# those that are typically built on a fully configured system.
+#
+# [ Feature tests not mentioned here have to be built explicitly in
+# the rule that uses them - an example for that is the 'bionic'
+# feature check. ]
+#
+CORE_FEATURE_TESTS = \
+ backtrace \
+ dwarf \
+ fortify-source \
+ glibc \
+ gtk2 \
+ gtk2-infobar \
+ libaudit \
+ libbfd \
+ libelf \
+ libelf-getphdrnum \
+ libelf-mmap \
+ libnuma \
+ libperl \
+ libpython \
+ libpython-version \
+ libslang \
+ libunwind \
+ on-exit \
+ stackprotector \
+ stackprotector-all
+
+#
+# So here we detect whether test-all was rebuilt, to be able
+# to skip the print-out of the long features list if the file
+# existed before and after it was built:
+#
+ifeq ($(wildcard $(OUTPUT)config/feature-checks/test-all),)
+ test-all-failed := 1
+else
+ test-all-failed := 0
+endif
+
+#
+# Special fast-path for the 'all features are available' case:
+#
+$(call feature_check,all,$(MSG))
+
+#
+# Just in case the build freshly failed, make sure we print the
+# feature matrix:
+#
+ifeq ($(feature-all), 0)
+ test-all-failed := 1
+endif
+
+ifeq ($(test-all-failed),1)
+ $(info )
+ $(info Auto-detecting system features:)
+endif
+
+ifeq ($(feature-all), 1)
+ #
+ # test-all.c passed - just set all the core feature flags to 1:
+ #
+ $(foreach feat,$(CORE_FEATURE_TESTS),$(call feature_set,$(feat)))
+else
+ $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS)" LDFLAGS=$(LDFLAGS) -i -j -C config/feature-checks $(CORE_FEATURE_TESTS) >/dev/null 2>&1)
+ $(foreach feat,$(CORE_FEATURE_TESTS),$(call feature_check,$(feat)))
endif
-ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -Wvolatile-register-var,-Wvolatile-register-var),y)
- CFLAGS += -Wvolatile-register-var
+#
+# Print the result of the feature test:
+#
+feature_print = $(eval $(feature_print_code)) $(info $(MSG))
+
+define feature_print_code
+ ifeq ($(feature-$(1)), 1)
+ MSG = $(shell printf '...%30s: [ \033[32mon\033[m ]' $(1))
+ else
+ MSG = $(shell printf '...%30s: [ \033[31mOFF\033[m ]' $(1))
+ endif
+endef
+
+#
+# Only print out our features if we rebuilt the testcases or if a test failed:
+#
+ifeq ($(test-all-failed), 1)
+ $(foreach feat,$(CORE_FEATURE_TESTS),$(call feature_print,$(feat)))
+ $(info )
+endif
+
+ifeq ($(feature-stackprotector-all), 1)
+ CFLAGS += -fstack-protector-all
endif
-ifndef PERF_DEBUG
- ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -D_FORTIFY_SOURCE=2,-D_FORTIFY_SOURCE=2),y)
+ifeq ($(feature-stackprotector), 1)
+ CFLAGS += -Wstack-protector
+endif
+
+ifeq ($(DEBUG),0)
+ ifeq ($(feature-fortify-source), 1)
CFLAGS += -D_FORTIFY_SOURCE=2
endif
endif
CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
ifndef NO_BIONIC
-ifeq ($(call try-cc,$(SOURCE_BIONIC),$(CFLAGS),bionic),y)
- BIONIC := 1
- EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
- EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
+ $(call feature_check,bionic)
+ ifeq ($(feature-bionic), 1)
+ BIONIC := 1
+ EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
+ EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
+ endif
endif
-endif # NO_BIONIC
ifdef NO_LIBELF
NO_DWARF := 1
NO_DEMANGLE := 1
NO_LIBUNWIND := 1
else
-FLAGS_LIBELF=$(CFLAGS) $(LDFLAGS) $(EXTLIBS)
-ifneq ($(call try-cc,$(SOURCE_LIBELF),$(FLAGS_LIBELF),libelf),y)
- FLAGS_GLIBC=$(CFLAGS) $(LDFLAGS)
- ifeq ($(call try-cc,$(SOURCE_GLIBC),$(FLAGS_GLIBC),glibc),y)
- LIBC_SUPPORT := 1
- endif
- ifeq ($(BIONIC),1)
- LIBC_SUPPORT := 1
- endif
- ifeq ($(LIBC_SUPPORT),1)
- msg := $(warning No libelf found, disables 'probe' tool, please install elfutils-libelf-devel/libelf-dev);
+ ifeq ($(feature-libelf), 0)
+ ifeq ($(feature-glibc), 1)
+ LIBC_SUPPORT := 1
+ endif
+ ifeq ($(BIONIC),1)
+ LIBC_SUPPORT := 1
+ endif
+ ifeq ($(LIBC_SUPPORT),1)
+ msg := $(warning No libelf found, disables 'probe' tool, please install elfutils-libelf-devel/libelf-dev);
- NO_LIBELF := 1
- NO_DWARF := 1
- NO_DEMANGLE := 1
+ NO_LIBELF := 1
+ NO_DWARF := 1
+ NO_DEMANGLE := 1
+ else
+ msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static);
+ endif
else
- msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static);
- endif
-else
- # for linking with debug library, run like:
- # make DEBUG=1 LIBDW_DIR=/opt/libdw/
- ifdef LIBDW_DIR
- LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
- LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
- endif
+ # for linking with debug library, run like:
+ # make DEBUG=1 LIBDW_DIR=/opt/libdw/
+ ifdef LIBDW_DIR
+ LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
+ LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
+ endif
- FLAGS_DWARF=$(CFLAGS) $(LIBDW_CFLAGS) -ldw -lz -lelf $(LIBDW_LDFLAGS) $(LDFLAGS) $(EXTLIBS)
- ifneq ($(call try-cc,$(SOURCE_DWARF),$(FLAGS_DWARF),libdw),y)
- msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
- NO_DWARF := 1
- endif # Dwarf support
-endif # SOURCE_LIBELF
+ ifneq ($(feature-dwarf), 1)
+ msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
+ NO_DWARF := 1
+ endif # Dwarf support
+ endif # libelf support
endif # NO_LIBELF
ifndef NO_LIBELF
-CFLAGS += -DLIBELF_SUPPORT
-FLAGS_LIBELF=$(CFLAGS) $(LDFLAGS) $(EXTLIBS)
-ifeq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_LIBELF),-DLIBELF_MMAP),y)
- CFLAGS += -DLIBELF_MMAP
-endif
-ifeq ($(call try-cc,$(SOURCE_ELF_GETPHDRNUM),$(FLAGS_LIBELF),-DHAVE_ELF_GETPHDRNUM),y)
- CFLAGS += -DHAVE_ELF_GETPHDRNUM
-endif
+ CFLAGS += -DHAVE_LIBELF_SUPPORT
-# include ARCH specific config
--include $(src-perf)/arch/$(ARCH)/Makefile
+ ifeq ($(feature-libelf-mmap), 1)
+ CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
+ endif
-ifndef NO_DWARF
-ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
- msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
- NO_DWARF := 1
-else
- CFLAGS += -DDWARF_SUPPORT $(LIBDW_CFLAGS)
- LDFLAGS += $(LIBDW_LDFLAGS)
- EXTLIBS += -lelf -ldw
-endif # PERF_HAVE_DWARF_REGS
-endif # NO_DWARF
+ ifeq ($(feature-libelf-getphdrnum), 1)
+ CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
+ endif
-endif # NO_LIBELF
+ # include ARCH specific config
+ -include $(src-perf)/arch/$(ARCH)/Makefile
-ifndef NO_LIBELF
-CFLAGS += -DLIBELF_SUPPORT
-FLAGS_LIBELF=$(CFLAGS) $(LDFLAGS) $(EXTLIBS)
-ifeq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_LIBELF),-DLIBELF_MMAP),y)
- CFLAGS += -DLIBELF_MMAP
-endif # try-cc
+ ifndef NO_DWARF
+ ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
+ msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
+ NO_DWARF := 1
+ else
+ CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
+ LDFLAGS += $(LIBDW_LDFLAGS)
+ EXTLIBS += -lelf -ldw
+ endif # PERF_HAVE_DWARF_REGS
+ endif # NO_DWARF
endif # NO_LIBELF
- # There's only x86 (both 32 and 64) support for CFI unwind so far
- ifneq ($(ARCH),x86)
+ ifeq ($(LIBUNWIND_LIBS),)
NO_LIBUNWIND := 1
endif
ifndef NO_LIBUNWIND
-# for linking with debug library, run like:
-# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
-ifdef LIBUNWIND_DIR
- LIBUNWIND_CFLAGS := -I$(LIBUNWIND_DIR)/include
- LIBUNWIND_LDFLAGS := -L$(LIBUNWIND_DIR)/lib
-endif
+ #
+ # For linking with debug library, run like:
+ #
+ # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
+ #
+ ifdef LIBUNWIND_DIR
+ LIBUNWIND_CFLAGS := -I$(LIBUNWIND_DIR)/include
+ LIBUNWIND_LDFLAGS := -L$(LIBUNWIND_DIR)/lib
+ endif
-FLAGS_UNWIND=$(LIBUNWIND_CFLAGS) $(CFLAGS) $(LIBUNWIND_LDFLAGS) $(LDFLAGS) $(EXTLIBS) $(LIBUNWIND_LIBS)
-ifneq ($(call try-cc,$(SOURCE_LIBUNWIND),$(FLAGS_UNWIND),libunwind),y)
- msg := $(warning No libunwind found, disabling post unwind support. Please install libunwind-dev[el] >= 1.1);
- NO_LIBUNWIND := 1
-endif # Libunwind support
-ifneq ($(call try-cc,$(SOURCE_LIBUNWIND_DEBUG_FRAME),$(FLAGS_UNWIND),libunwind debug_frame),y)
- msg := $(warning No debug_frame support found in libunwind);
-CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
-endif # debug_frame support in libunwind
-endif # NO_LIBUNWIND
+ ifneq ($(feature-libunwind), 1)
- msg := $(warning No libunwind found, disabling post unwind support. Please install libunwind-dev[el] >= 0.99);
++ msg := $(warning No libunwind found, disabling post unwind support. Please install libunwind-dev[el] >= 1.1);
+ NO_LIBUNWIND := 1
++ else
++ ifneq ($(feature-libunwind-debug-frame), 1)
++ msg := $(warning No debug_frame support found in libunwind);
++ CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
++ endif
+ endif
+endif
ifndef NO_LIBUNWIND
- CFLAGS += -DLIBUNWIND_SUPPORT
+ CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
EXTLIBS += $(LIBUNWIND_LIBS)
CFLAGS += $(LIBUNWIND_CFLAGS)
LDFLAGS += $(LIBUNWIND_LDFLAGS)
-endif # NO_LIBUNWIND
+endif
ifndef NO_LIBAUDIT
- FLAGS_LIBAUDIT = $(CFLAGS) $(LDFLAGS) -laudit
- ifneq ($(call try-cc,$(SOURCE_LIBAUDIT),$(FLAGS_LIBAUDIT),libaudit),y)
+ ifneq ($(feature-libaudit), 1)
msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
NO_LIBAUDIT := 1
else
- CFLAGS += -DLIBAUDIT_SUPPORT
+ CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
EXTLIBS += -laudit
endif
endif
endif
ifndef NO_SLANG
- FLAGS_SLANG=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) -I/usr/include/slang -lslang
- ifneq ($(call try-cc,$(SOURCE_SLANG),$(FLAGS_SLANG),libslang),y)
+ ifneq ($(feature-libslang), 1)
msg := $(warning slang not found, disables TUI support. Please install slang-devel or libslang-dev);
NO_SLANG := 1
else
# Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
CFLAGS += -I/usr/include/slang
- CFLAGS += -DSLANG_SUPPORT
+ CFLAGS += -DHAVE_SLANG_SUPPORT
EXTLIBS += -lslang
endif
endif
ifndef NO_GTK2
FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null)
- ifneq ($(call try-cc,$(SOURCE_GTK2),$(FLAGS_GTK2),gtk2),y)
+ ifneq ($(feature-gtk2), 1)
msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
NO_GTK2 := 1
else
- ifeq ($(call try-cc,$(SOURCE_GTK2_INFOBAR),$(FLAGS_GTK2),-DHAVE_GTK_INFO_BAR),y)
- CFLAGS += -DHAVE_GTK_INFO_BAR
+ ifeq ($(feature-gtk2-infobar), 1)
+ GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
endif
- CFLAGS += -DGTK2_SUPPORT
- CFLAGS += $(shell pkg-config --cflags gtk+-2.0 2>/dev/null)
- EXTLIBS += $(shell pkg-config --libs gtk+-2.0 2>/dev/null)
+ CFLAGS += -DHAVE_GTK2_SUPPORT
+ GTK_CFLAGS += $(shell pkg-config --cflags gtk+-2.0 2>/dev/null)
+ GTK_LIBS := $(shell pkg-config --libs gtk+-2.0 2>/dev/null)
+ EXTLIBS += -ldl
endif
endif
PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
- ifneq ($(call try-cc,$(SOURCE_PERL_EMBED),$(FLAGS_PERL_EMBED),perl),y)
+ ifneq ($(feature-libperl), 1)
CFLAGS += -DNO_LIBPERL
NO_LIBPERL := 1
else
endif
endif
+$(call feature_check,timerfd)
+ifeq ($(feature-timerfd), 1)
+ CFLAGS += -DHAVE_TIMERFD_SUPPORT
+else
+ msg := $(warning No timerfd support. Disables 'perf kvm stat live');
+endif
+
disable-python = $(eval $(disable-python_code))
define disable-python_code
CFLAGS += -DNO_LIBPYTHON
PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
- ifneq ($(call try-cc,$(SOURCE_PYTHON_EMBED),$(FLAGS_PYTHON_EMBED),python),y)
+ ifneq ($(feature-libpython), 1)
$(call disable-python,Python.h (for Python 2.x))
else
- ifneq ($(call try-cc,$(SOURCE_PYTHON_VERSION),$(FLAGS_PYTHON_EMBED),python version),y)
+ ifneq ($(feature-libpython-version), 1)
$(warning Python 3 is not yet supported; please set)
$(warning PYTHON and/or PYTHON_CONFIG appropriately.)
$(warning If you also have Python 2 installed, then)
endif
endif
+ifeq ($(feature-libbfd), 1)
+ EXTLIBS += -lbfd
+endif
+
ifdef NO_DEMANGLE
CFLAGS += -DNO_DEMANGLE
else
- ifdef HAVE_CPLUS_DEMANGLE
+ ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
EXTLIBS += -liberty
- CFLAGS += -DHAVE_CPLUS_DEMANGLE
+ CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
else
- FLAGS_BFD=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) -DPACKAGE='perf' -lbfd
- has_bfd := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD),libbfd)
- ifeq ($(has_bfd),y)
- EXTLIBS += -lbfd
- else
- FLAGS_BFD_IBERTY=$(FLAGS_BFD) -liberty
- has_bfd_iberty := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY),liberty)
- ifeq ($(has_bfd_iberty),y)
+ ifneq ($(feature-libbfd), 1)
+ $(call feature_check,liberty)
+ ifeq ($(feature-liberty), 1)
EXTLIBS += -lbfd -liberty
else
- FLAGS_BFD_IBERTY_Z=$(FLAGS_BFD_IBERTY) -lz
- has_bfd_iberty_z := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY_Z),libz)
- ifeq ($(has_bfd_iberty_z),y)
+ $(call feature_check,liberty-z)
+ ifeq ($(feature-liberty-z), 1)
EXTLIBS += -lbfd -liberty -lz
else
- FLAGS_CPLUS_DEMANGLE=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) -liberty
- has_cplus_demangle := $(call try-cc,$(SOURCE_CPLUS_DEMANGLE),$(FLAGS_CPLUS_DEMANGLE),demangle)
- ifeq ($(has_cplus_demangle),y)
+ $(call feature_check,cplus-demangle)
+ ifeq ($(feature-cplus-demangle), 1)
EXTLIBS += -liberty
- CFLAGS += -DHAVE_CPLUS_DEMANGLE
+ CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
else
msg := $(warning No bfd.h/libbfd found, install binutils-dev[el]/zlib-static to gain symbol demangling)
CFLAGS += -DNO_DEMANGLE
endif
endif
-ifndef NO_STRLCPY
- ifeq ($(call try-cc,$(SOURCE_STRLCPY),,-DHAVE_STRLCPY),y)
- CFLAGS += -DHAVE_STRLCPY
- endif
+ifneq ($(filter -lbfd,$(EXTLIBS)),)
+ CFLAGS += -DHAVE_LIBBFD_SUPPORT
endif
ifndef NO_ON_EXIT
- ifeq ($(call try-cc,$(SOURCE_ON_EXIT),,-DHAVE_ON_EXIT),y)
- CFLAGS += -DHAVE_ON_EXIT
+ ifeq ($(feature-on-exit), 1)
+ CFLAGS += -DHAVE_ON_EXIT_SUPPORT
endif
endif
ifndef NO_BACKTRACE
- ifeq ($(call try-cc,$(SOURCE_BACKTRACE),,-DBACKTRACE_SUPPORT),y)
- CFLAGS += -DBACKTRACE_SUPPORT
+ ifeq ($(feature-backtrace), 1)
+ CFLAGS += -DHAVE_BACKTRACE_SUPPORT
endif
endif
ifndef NO_LIBNUMA
- FLAGS_LIBNUMA = $(CFLAGS) $(LDFLAGS) -lnuma
- ifneq ($(call try-cc,$(SOURCE_LIBNUMA),$(FLAGS_LIBNUMA),libnuma),y)
+ ifeq ($(feature-libnuma), 0)
msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numa-libs-devel or libnuma-dev);
NO_LIBNUMA := 1
else
- CFLAGS += -DLIBNUMA_SUPPORT
+ CFLAGS += -DHAVE_LIBNUMA_SUPPORT
EXTLIBS += -lnuma
endif
endif
sysconfdir = $(prefix)/etc
ETC_PERFCONFIG = etc/perfconfig
endif
+ifeq ($(IS_X86_64),1)
+lib = lib64
+else
lib = lib
+endif
+libdir = $(prefix)/$(lib)
# Shell quote (do not use $(call) to accommodate ancient setups);
ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
htmldir_SQ = $(subst ','\'',$(htmldir))
prefix_SQ = $(subst ','\'',$(prefix))
sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
+libdir_SQ = $(subst ','\'',$(libdir))
ifneq ($(filter /%,$(firstword $(perfexecdir))),)
perfexec_instdir = $(perfexecdir)
--- /dev/null
+
+FILES= \
+ test-all \
+ test-backtrace \
+ test-bionic \
+ test-dwarf \
+ test-fortify-source \
+ test-glibc \
+ test-gtk2 \
+ test-gtk2-infobar \
+ test-hello \
+ test-libaudit \
+ test-libbfd \
+ test-liberty \
+ test-liberty-z \
+ test-cplus-demangle \
+ test-libelf \
+ test-libelf-getphdrnum \
+ test-libelf-mmap \
+ test-libnuma \
+ test-libperl \
+ test-libpython \
+ test-libpython-version \
+ test-libslang \
+ test-libunwind \
++ test-libunwind-debug-frame \
+ test-on-exit \
+ test-stackprotector-all \
+ test-stackprotector \
+ test-timerfd
+
+CC := $(CC) -MD
+
+all: $(FILES)
+
+BUILD = $(CC) $(CFLAGS) $(LDFLAGS) -o $(OUTPUT)$@ $@.c
+
+###############################
+
+test-all:
+ $(BUILD) -Werror -fstack-protector -fstack-protector-all -O2 -Werror -D_FORTIFY_SOURCE=2 -ldw -lelf -lnuma $(LIBUNWIND_LIBS) -lelf -laudit -I/usr/include/slang -lslang $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null) $(FLAGS_PERL_EMBED) $(FLAGS_PYTHON_EMBED) -DPACKAGE='"perf"' -lbfd -ldl
+
+test-hello:
+ $(BUILD)
+
+test-stackprotector-all:
+ $(BUILD) -Werror -fstack-protector-all
+
+test-stackprotector:
+ $(BUILD) -Werror -fstack-protector -Wstack-protector
+
+test-fortify-source:
+ $(BUILD) -O2 -Werror -D_FORTIFY_SOURCE=2
+
+test-bionic:
+ $(BUILD)
+
+test-libelf:
+ $(BUILD) -lelf
+
+test-glibc:
+ $(BUILD)
+
+test-dwarf:
+ $(BUILD) -ldw
+
+test-libelf-mmap:
+ $(BUILD) -lelf
+
+test-libelf-getphdrnum:
+ $(BUILD) -lelf
+
+test-libnuma:
+ $(BUILD) -lnuma
+
+test-libunwind:
+ $(BUILD) $(LIBUNWIND_LIBS) -lelf
+
+test-libaudit:
+ $(BUILD) -laudit
+
+test-libslang:
+ $(BUILD) -I/usr/include/slang -lslang
+
+test-gtk2:
+ $(BUILD) $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null)
+
+test-gtk2-infobar:
+ $(BUILD) $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null)
+
+grep-libs = $(filter -l%,$(1))
+strip-libs = $(filter-out -l%,$(1))
+
+PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
+PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
+PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
+PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
+FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
+
+test-libperl:
+ $(BUILD) $(FLAGS_PERL_EMBED)
+
+override PYTHON := python
+override PYTHON_CONFIG := python-config
+
+escape-for-shell-sq = $(subst ','\'',$(1))
+shell-sq = '$(escape-for-shell-sq)'
+
+PYTHON_CONFIG_SQ = $(call shell-sq,$(PYTHON_CONFIG))
+
+PYTHON_EMBED_LDOPTS = $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
+PYTHON_EMBED_LDFLAGS = $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
+PYTHON_EMBED_LIBADD = $(call grep-libs,$(PYTHON_EMBED_LDOPTS))
+PYTHON_EMBED_CCOPTS = $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
+FLAGS_PYTHON_EMBED = $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
+
+test-libpython:
+ $(BUILD) $(FLAGS_PYTHON_EMBED)
+
+test-libpython-version:
+ $(BUILD) $(FLAGS_PYTHON_EMBED)
+
+test-libbfd:
+ $(BUILD) -DPACKAGE='"perf"' -lbfd -ldl
+
+test-liberty:
+ $(CC) -o $(OUTPUT)$@ test-libbfd.c -DPACKAGE='"perf"' -lbfd -ldl -liberty
+
+test-liberty-z:
+ $(CC) -o $(OUTPUT)$@ test-libbfd.c -DPACKAGE='"perf"' -lbfd -ldl -liberty -lz
+
+test-cplus-demangle:
+ $(BUILD) -liberty
+
+test-on-exit:
+ $(BUILD)
+
+test-backtrace:
+ $(BUILD)
+
+test-timerfd:
+ $(BUILD)
+
+-include *.d
+
+###############################
+
+clean:
+ rm -f $(FILES) *.d
--- /dev/null
+/*
+ * test-all.c: Try to build all the main testcases at once.
+ *
+ * A well-configured system will have all the prereqs installed, so we can speed
+ * up auto-detection on such systems.
+ */
+
+/*
+ * Quirk: Python and Perl headers cannot be in arbitrary places, so keep
+ * these 3 testcases at the top:
+ */
+#define main main_test_libpython
+# include "test-libpython.c"
+#undef main
+
+#define main main_test_libpython_version
+# include "test-libpython-version.c"
+#undef main
+
+#define main main_test_libperl
+# include "test-libperl.c"
+#undef main
+
+#define main main_test_hello
+# include "test-hello.c"
+#undef main
+
+#define main main_test_libelf
+# include "test-libelf.c"
+#undef main
+
+#define main main_test_libelf_mmap
+# include "test-libelf-mmap.c"
+#undef main
+
+#define main main_test_glibc
+# include "test-glibc.c"
+#undef main
+
+#define main main_test_dwarf
+# include "test-dwarf.c"
+#undef main
+
+#define main main_test_libelf_getphdrnum
+# include "test-libelf-getphdrnum.c"
+#undef main
+
+#define main main_test_libunwind
+# include "test-libunwind.c"
+#undef main
+
++#define main main_test_libunwind_debug_frame
++# include "test-libunwind-debug-frame.c"
++#undef main
++
+#define main main_test_libaudit
+# include "test-libaudit.c"
+#undef main
+
+#define main main_test_libslang
+# include "test-libslang.c"
+#undef main
+
+#define main main_test_gtk2
+# include "test-gtk2.c"
+#undef main
+
+#define main main_test_gtk2_infobar
+# include "test-gtk2-infobar.c"
+#undef main
+
+#define main main_test_libbfd
+# include "test-libbfd.c"
+#undef main
+
+#define main main_test_on_exit
+# include "test-on-exit.c"
+#undef main
+
+#define main main_test_backtrace
+# include "test-backtrace.c"
+#undef main
+
+#define main main_test_libnuma
+# include "test-libnuma.c"
+#undef main
+
+#define main main_test_timerfd
+# include "test-timerfd.c"
+#undef main
+
+int main(int argc, char *argv[])
+{
+ main_test_libpython();
+ main_test_libpython_version();
+ main_test_libperl();
+ main_test_hello();
+ main_test_libelf();
+ main_test_libelf_mmap();
+ main_test_glibc();
+ main_test_dwarf();
+ main_test_libelf_getphdrnum();
+ main_test_libunwind();
+ main_test_libaudit();
+ main_test_libslang();
+ main_test_gtk2(argc, argv);
+ main_test_gtk2_infobar(argc, argv);
+ main_test_libbfd();
+ main_test_on_exit();
+ main_test_backtrace();
+ main_test_libnuma();
+ main_test_timerfd();
+
+ return 0;
+}
--- /dev/null
--- /dev/null
++#include <libunwind.h>
++#include <stdlib.h>
++
++extern int
++UNW_OBJ(dwarf_find_debug_frame) (int found, unw_dyn_info_t *di_debug,
++ unw_word_t ip, unw_word_t segbase,
++ const char *obj_name, unw_word_t start,
++ unw_word_t end);
++
++#define dwarf_find_debug_frame UNW_OBJ(dwarf_find_debug_frame)
++
++int main(void)
++{
++ dwarf_find_debug_frame(0, NULL, 0, 0, NULL, 0, 0);
++ return 0;
++}
projects / ~andy / linux / commitdiff