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riscv: cleanup architecture macro checks

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* We really should get out of the habbit of making up
  our own architecture defines.
* __riscv with an additional  __riscv_xlen is the
  standard that developed... let's just roll with it.

Change-Id: Ieb777d48340ae25a6d66f66133afa0ec5c6da9b6
Reviewed-on: https://review.haiku-os.org/c/haiku/+/4402
Tested-by: Commit checker robot <[email protected]>
Reviewed-by: waddlesplash <[email protected]>
This commit is contained in:
Alexander von Gluck IV
2021-09-01 18:04:59 +00:00
committed by waddlesplash
parent f40bacae87
commit 372b901dfe
6 changed files with 19 additions and 8 deletions
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headers/private/kernel/arch/riscv64/arch_kernel.h
+2 -2
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@@ -18,7 +18,7 @@
#define KERNEL_LOAD_BASE_64_BIT 0xffffffc000000000
#if defined(__riscv64__)
#if (defined(__riscv) && __riscv_xlen == 64)
// Base of the kernel address space.
#define KERNEL_BASE 0xffffffc000000000
@@ -35,7 +35,7 @@
#define USER_STACK_REGION (USER_BASE + 0x3000000000)
#define USER_STACK_REGION_SIZE ((USER_TOP - USER_STACK_REGION) + 1)
#else /* ! __riscv64__ */
#else /* ! riscv64 */
#warning Unknown RISC-V Architecture!
#endif