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lib: Create a separate math helper function file

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There may be few common mathematics helper functions which can be used
anywhere in OpenSBI project.

Add a separate math helper function file to add these functions.

Signed-off-by: Atish Patra <atish.patra@wdc.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
This commit is contained in:
Atish Patra
2020-05-09 16:47:25 -07:00
committed by Anup Patel
parent aef9a60d52
commit 13ca20d8df
4 changed files with 40 additions and 13 deletions
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14
lib/sbi/sbi_hart.c
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@@ -15,6 +15,7 @@
#include <sbi/sbi_console.h>
#include <sbi/sbi_error.h>
#include <sbi/sbi_hart.h>
#include <sbi/sbi_math.h>
#include <sbi/sbi_platform.h>
extern void __sbi_expected_trap(void);
@@ -121,19 +122,6 @@ void sbi_hart_delegation_dump(struct sbi_scratch *scratch)
#endif
}
unsigned long log2roundup(unsigned long x)
{
unsigned long ret = 0;
while (ret < __riscv_xlen) {
if (x <= (1UL << ret))
break;
ret++;
}
return ret;
}
void sbi_hart_pmp_dump(struct sbi_scratch *scratch)
{
const struct sbi_platform *plat = sbi_platform_ptr(scratch);