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target/riscv: Fix format for comments

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Fix formats for multi-lines comments.
Add spaces around single line comments(after "/*" and before "*/").

Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn>
Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-Id: <20230405085813.40643-4-liweiwei@iscas.ac.cn>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Weiwei Li 2023-04-05 16:58:12 +08:00 • committed by Alistair Francis
parent c45eff30cb
commit 3b57254d8a
11 changed files with 151 additions and 104 deletions
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41
target/riscv/pmp.c
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@ -132,15 +132,15 @@ static void pmp_write_cfg(CPURISCVState *env, uint32_t pmp_index, uint8_t val)
static void pmp_decode_napot(target_ulong a, target_ulong *sa, target_ulong *ea)
{
/*
aaaa...aaa0 8-byte NAPOT range
aaaa...aa01 16-byte NAPOT range
aaaa...a011 32-byte NAPOT range
...
aa01...1111 2^XLEN-byte NAPOT range
a011...1111 2^(XLEN+1)-byte NAPOT range
0111...1111 2^(XLEN+2)-byte NAPOT range
1111...1111 Reserved
*/
* aaaa...aaa0 8-byte NAPOT range
* aaaa...aa01 16-byte NAPOT range
* aaaa...a011 32-byte NAPOT range
* ...
* aa01...1111 2^XLEN-byte NAPOT range
* a011...1111 2^(XLEN+1)-byte NAPOT range
* 0111...1111 2^(XLEN+2)-byte NAPOT range
* 1111...1111 Reserved
*/
a = (a << 2) | 0x3;
*sa = a & (a + 1);
*ea = a | (a + 1);
@ -205,7 +205,8 @@ void pmp_update_rule_nums(CPURISCVState *env)
}
}
/* Convert cfg/addr reg values here into simple 'sa' --> start address and 'ea'
/*
* Convert cfg/addr reg values here into simple 'sa' --> start address and 'ea'
* end address values.
* This function is called relatively infrequently whereas the check that
* an address is within a pmp rule is called often, so optimise that one
@ -329,8 +330,10 @@ int pmp_hart_has_privs(CPURISCVState *env, target_ulong addr,
pmp_size = size;
}
/* 1.10 draft priv spec states there is an implicit order
from low to high */
/*
* 1.10 draft priv spec states there is an implicit order
* from low to high
*/
for (i = 0; i < MAX_RISCV_PMPS; i++) {
s = pmp_is_in_range(env, i, addr);
e = pmp_is_in_range(env, i, addr + pmp_size - 1);
@ -609,13 +612,13 @@ target_ulong pmp_get_tlb_size(CPURISCVState *env, int pmp_index,
return TARGET_PAGE_SIZE;
} else {
/*
* At this point we have a tlb_size that is the smallest possible size
* That fits within a TARGET_PAGE_SIZE and the PMP region.
*
* If the size is less then TARGET_PAGE_SIZE we drop the size to 1.
* This means the result isn't cached in the TLB and is only used for
* a single translation.
*/
* At this point we have a tlb_size that is the smallest possible size
* That fits within a TARGET_PAGE_SIZE and the PMP region.
*
* If the size is less then TARGET_PAGE_SIZE we drop the size to 1.
* This means the result isn't cached in the TLB and is only used for
* a single translation.
*/
return 1;
}
}