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Minimal requirements for targeting the Cortex-M4 core #62

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Minimal requirements for targeting the Cortex-M4 core #62

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Minimal requirements for targeting the Cortex-M4 core 
Replace memory.x with core1.x, then build for stm32h747cm4 target
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@richardeoin
richardeoin committed Apr 4, 2020
commit 3c082e35aa949fbcf5efb7a8eadb93573e4631fd
1 change: 1 addition & 0 deletions .travis.yml
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Expand Up @@ -22,6 +22,7 @@ env:
- MCU=stm32h743v
- MCU=stm32h753v
- MCU=stm32h747cm7
- MCU=stm32h747cm4

matrix:
allow_failures:
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1 change: 1 addition & 0 deletions Cargo.toml
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Expand Up @@ -56,6 +56,7 @@ stm32h743v = ["stm32h7/stm32h743v", "device-selected", "revision_v", "singlecore
stm32h753v = ["stm32h7/stm32h753v", "device-selected", "revision_v", "singlecore"]
stm32h750v = ["stm32h7/stm32h743v", "device-selected", "revision_v", "singlecore"]
stm32h747cm7 = ["stm32h7/stm32h747cm7", "device-selected", "revision_v", "dualcore", "cm7"]
stm32h747cm4 = ["stm32h7/stm32h747cm4", "device-selected", "revision_v", "dualcore", "cm4"]


[profile.dev]
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4 changes: 4 additions & 0 deletions build.rs
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@@ -0,0 +1,4 @@
fn main() {
// Tell Cargo that if the given file changes, to rerun this build script.
println!("cargo:rerun-if-changed=memory.x");
}
27 changes: 27 additions & 0 deletions core1.x
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@@ -0,0 +1,27 @@
MEMORY
{
/* FLASH and RAM are mandatory memory regions */
FLASH0 : ORIGIN = 0x08000000, LENGTH = 1024K
FLASH : ORIGIN = 0x08100000, LENGTH = 1024K
RAM : ORIGIN = 0x30020000, LENGTH = 128K /* SRAM2 */

/* AXISRAM */
AXISRAM : ORIGIN = 0x24000000, LENGTH = 512K

/* SRAM */
SRAM1 : ORIGIN = 0x30000000, LENGTH = 128K
/* SRAM2: See RAM */
SRAM3 : ORIGIN = 0x30040000, LENGTH = 32K
SRAM4 : ORIGIN = 0x38000000, LENGTH = 64K

/* Backup SRAM */
BSRAM : ORIGIN = 0x38800000, LENGTH = 4K
}

/* The location of the stack can be overridden using the
`_stack_start` symbol. Place the stack at the end of RAM */
_stack_start = ORIGIN(RAM) + LENGTH(RAM);

/* The location of the .text section can be overridden using the
`_stext` symbol. By default it will place after .vector_table */
/* _stext = ORIGIN(FLASH) + 0x40c; */
4 changes: 2 additions & 2 deletions src/lib.rs
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Expand Up @@ -46,10 +46,10 @@ pub use stm32h7::stm32h753 as stm32;
pub use stm32h7::stm32h753v as stm32;

// Dual core
#[cfg(any(feature = "stm32h747cm4",))]
pub use stm32h7::stm32h747cm4 as stm32;
#[cfg(any(feature = "stm32h747cm7",))]
pub use stm32h7::stm32h747cm7 as stm32;
#[cfg(any(feature = "stm32h757cm7",))]
pub use stm32h7::stm32h757cm7 as stm32;

#[cfg(all(feature = "singlecore", feature = "dualcore"))]
compile_error!("Cannot not select both singlecore and dualcore");
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