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include: Add hard FP access macros and defines

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This patch adds hardware floating-point (hard FP) access
macros and defines.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
This commit is contained in:
Anup Patel
2019-01-03 10:37:43 +05:30
committed by Atish Patra
parent 9829a86e8d
commit 4d1eccc41d
5 changed files with 259 additions and 7 deletions
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8
lib/sbi_hart.c
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@@ -10,6 +10,7 @@
#include <sbi/riscv_asm.h>
#include <sbi/riscv_barrier.h>
#include <sbi/riscv_encoding.h>
#include <sbi/riscv_fp.h>
#include <sbi/riscv_locks.h>
#include <sbi/sbi_bits.h>
#include <sbi/sbi_console.h>
@@ -48,13 +49,6 @@ static void mstatus_init(struct sbi_scratch *scratch, u32 hartid)
csr_write(sptbr, 0);
}
#ifdef __riscv_flen
static void init_fp_reg(int i)
{
/* TODO: */
}
#endif
static int fp_init(u32 hartid)
{
#ifdef __riscv_flen