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authorRaul E Rangel <rrangel@chromium.org>2021-07-23 10:21:48 -0600
committerPatrick Georgi <pgeorgi@google.com>2021-07-26 07:29:16 +0000
commit474781b2703de37ea7a484fd4cdfde5103e48d01 (patch)
treefa7238b182dd7014de388b3be4bcf611e67b7449 /src/arch/arm
parenta2d83c68a3ea6f2017fa9eabda72dfbafae0fc37 (diff)
arch/{arm,ppc64,riscv}: Remove cpu_info
The structure and function are not currently used or implemented. x86 is the only arch that currently implements it. It is currently used for COOP_MULTITASKING and mp_init. Keeping around the unused definitions leads to confusion. BUG=b:179699789 TEST=none Signed-off-by: Raul E Rangel <rrangel@chromium.org> Change-Id: I0775ef03168f7f9c41b1b05cb8f12724d0458ba5 Reviewed-on: https://review.coreboot.org/c/coreboot/+/56572 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Julius Werner <jwerner@chromium.org>
Diffstat (limited to 'src/arch/arm')
-rw-r--r--src/arch/arm/Makefile.inc1
-rw-r--r--src/arch/arm/cpu.c19
-rw-r--r--src/arch/arm/include/armv7/arch/cpu.h1
3 files changed, 0 insertions, 21 deletions
diff --git a/src/arch/arm/Makefile.inc b/src/arch/arm/Makefile.inc
index 63367bb2c0..b18b137252 100644
--- a/src/arch/arm/Makefile.inc
+++ b/src/arch/arm/Makefile.inc
@@ -106,7 +106,6 @@ ifeq ($(CONFIG_ARCH_RAMSTAGE_ARM),y)
ramstage-y += stages.c
ramstage-y += div0.c
-ramstage-$(CONFIG_COOP_MULTITASKING) += cpu.c
ramstage-y += eabi_compat.c
ramstage-y += boot.c
ramstage-y += tables.c
diff --git a/src/arch/arm/cpu.c b/src/arch/arm/cpu.c
deleted file mode 100644
index 75816d3fc0..0000000000
--- a/src/arch/arm/cpu.c
+++ /dev/null
@@ -1,19 +0,0 @@
-/* SPDX-License-Identifier: BSD-3-Clause */
-
-#include <arch/cpu.h>
-#include <commonlib/helpers.h>
-
-/* Return the CPU struct which is at the high memory address of the stack.
- */
-struct cpu_info *cpu_info(void)
-{
-#error "This is BROKEN! ARM stacks are currently not guaranteed to be " \
- "STACK_SIZE-aligned in any way. If you ever plan to revive this " \
- "feature, make sure you add the proper assertions " \
- "(and maybe consider revising the whole thing to work closer to what " \
- "arm64 is doing now)."
- uintptr_t addr = ALIGN_UP((uintptr_t)__builtin_frame_address(0),
- CONFIG_STACK_SIZE);
- addr -= sizeof(struct cpu_info);
- return (void *)addr;
-}
diff --git a/src/arch/arm/include/armv7/arch/cpu.h b/src/arch/arm/include/armv7/arch/cpu.h
index af79344836..3f1f1ae811 100644
--- a/src/arch/arm/include/armv7/arch/cpu.h
+++ b/src/arch/arm/include/armv7/arch/cpu.h
@@ -75,5 +75,4 @@ static inline void set_system_mode(void)
asm volatile("msr cpsr_c, %0" :: "r"(0x1f | 0xc0));
}
-struct cpu_info *cpu_info(void);
#endif /* __ARCH_CPU_H__ */