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write operands to elf

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This commit is contained in:
Richard Yan
2024-04-24 22:09:30 -07:00
parent 4e9855dc33
commit 6eafa2de54
2 changed files with 24 additions and 0 deletions
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18
kernel/linker/vx_link32.ld
View File

@@ -7,6 +7,13 @@ OUTPUT_FORMAT("elf32-littleriscv", "elf32-littleriscv",
"elf32-littleriscv") "elf32-littleriscv")
OUTPUT_ARCH(riscv) OUTPUT_ARCH(riscv)
ENTRY(_start) ENTRY(_start)
MEMORY {
DRAM0 (rwx): ORIGIN = 0x80000000, LENGTH = 512M
DRAM1 (rwx): ORIGIN = 0xa0000000, LENGTH = 32K
DRAM2 (rwx): ORIGIN = 0xa1000000, LENGTH = 32K
}
SECTIONS SECTIONS
{ {
. = STARTUP_ADDR; . = STARTUP_ADDR;
@@ -85,6 +92,7 @@ SECTIONS
/* Adjust the address for the data segment. We want to adjust up to /* Adjust the address for the data segment. We want to adjust up to
the same address within the page on the next page up. */ the same address within the page on the next page up. */
. = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
/* Exception handling */ /* Exception handling */
.eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) *(.eh_frame.*) } .eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) *(.eh_frame.*) }
.gnu_extab : ONLY_IF_RW { *(.gnu_extab) } .gnu_extab : ONLY_IF_RW { *(.gnu_extab) }
@@ -166,6 +174,7 @@ SECTIONS
*(.data .data.* .gnu.linkonce.d.*) *(.data .data.* .gnu.linkonce.d.*)
SORT(CONSTRUCTORS) SORT(CONSTRUCTORS)
} }
.data1 : { *(.data1) } .data1 : { *(.data1) }
.got : { *(.got.plt) *(.igot.plt) *(.got) *(.igot) } .got : { *(.got.plt) *(.igot.plt) *(.got) *(.igot) }
/* We want the small data sections together, so single-instruction offsets /* We want the small data sections together, so single-instruction offsets
@@ -200,6 +209,7 @@ SECTIONS
} }
. = ALIGN(32 / 8); . = ALIGN(32 / 8);
. = SEGMENT_START("ldata-segment", .); . = SEGMENT_START("ldata-segment", .);
. = ALIGN(32 / 8); . = ALIGN(32 / 8);
__BSS_END__ = .; __BSS_END__ = .;
__global_pointer = MIN(__SDATA_BEGIN__ + 0x800, __global_pointer = MIN(__SDATA_BEGIN__ + 0x800,
@@ -249,4 +259,12 @@ SECTIONS
.gnu.attributes 0 : { KEEP (*(.gnu.attributes)) } .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) } /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }
.operand.a : {
*(.operand.a)
. += 32K;
}> DRAM1
.operand.b : {
*(.operand.b)
. += 32K;
}> DRAM2
} }

6
tests/regression/common.mk
View File

@@ -93,8 +93,14 @@ kernel.bin: kernel.elf kernel.radiance.elf
kernel.elf: $(VX_SRCS) kernel.elf: $(VX_SRCS)
$(VX_CXX) $(VX_CFLAGS) $(VX_SRCS) $(VX_LDFLAGS) -o kernel.elf $(VX_CXX) $(VX_CFLAGS) $(VX_SRCS) $(VX_LDFLAGS) -o kernel.elf
OBJCOPY ?= "riscv32-unknown-elf-objcopy"
OBJCOPY_FLAGS ?= "LOAD,ALLOC,DATA,CONTENTS"
kernel.radiance.elf: $(VX_SRCS) kernel.radiance.elf: $(VX_SRCS)
$(VX_CXX) $(VX_CFLAGS) $(VX_SRCS) $(VX_LDFLAGS) -DRADIANCE -o kernel.radiance.elf $(VX_CXX) $(VX_CFLAGS) $(VX_SRCS) $(VX_LDFLAGS) -DRADIANCE -o kernel.radiance.elf
$(OBJCOPY) --set-section-flags .operand.a=$(OBJCOPY_FLAGS) kernel.radiance.elf
$(OBJCOPY) --set-section-flags .operand.b=$(OBJCOPY_FLAGS) kernel.radiance.elf
$(OBJCOPY) --update-section .operand.a=input.a.bin kernel.radiance.elf
$(OBJCOPY) --update-section .operand.b=input.b.bin kernel.radiance.elf
$(PROJECT): $(SRCS) $(PROJECT): $(SRCS)
$(CXX) $(CXXFLAGS) $^ $(LDFLAGS) -o $@ $(CXX) $(CXXFLAGS) $^ $(LDFLAGS) -o $@