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[PULL 36/68] target/arm/arm-semi: Factor out implementation of SYS_FLEN
From: |
Peter Maydell |
Subject: |
[PULL 36/68] target/arm/arm-semi: Factor out implementation of SYS_FLEN |
Date: |
Mon, 14 Oct 2019 17:03:32 +0100 |
Factor out the implementation of SYS_FLEN via the new
function tables.
Signed-off-by: Peter Maydell <address@hidden>
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
Message-id: address@hidden
---
target/arm/arm-semi.c | 32 ++++++++++++++++++++++----------
1 file changed, 22 insertions(+), 10 deletions(-)
diff --git a/target/arm/arm-semi.c b/target/arm/arm-semi.c
index b5e1d73eb80..87c911f0187 100644
--- a/target/arm/arm-semi.c
+++ b/target/arm/arm-semi.c
@@ -391,6 +391,7 @@ typedef uint32_t sys_readfn(ARMCPU *cpu, GuestFD *gf,
typedef uint32_t sys_isattyfn(ARMCPU *cpu, GuestFD *gf);
typedef uint32_t sys_seekfn(ARMCPU *cpu, GuestFD *gf,
target_ulong offset);
+typedef uint32_t sys_flenfn(ARMCPU *cpu, GuestFD *gf);
static uint32_t host_closefn(ARMCPU *cpu, GuestFD *gf)
{
@@ -454,6 +455,17 @@ static uint32_t host_seekfn(ARMCPU *cpu, GuestFD *gf,
target_ulong offset)
return 0;
}
+static uint32_t host_flenfn(ARMCPU *cpu, GuestFD *gf)
+{
+ CPUARMState *env = &cpu->env;
+ struct stat buf;
+ uint32_t ret = set_swi_errno(env, fstat(gf->hostfd, &buf));
+ if (ret == (uint32_t)-1) {
+ return -1;
+ }
+ return buf.st_size;
+}
+
static uint32_t gdb_closefn(ARMCPU *cpu, GuestFD *gf)
{
return arm_gdb_syscall(cpu, arm_semi_cb, "close,%x", gf->hostfd);
@@ -486,12 +498,19 @@ static uint32_t gdb_seekfn(ARMCPU *cpu, GuestFD *gf,
target_ulong offset)
gf->hostfd, offset);
}
+static uint32_t gdb_flenfn(ARMCPU *cpu, GuestFD *gf)
+{
+ return arm_gdb_syscall(cpu, arm_semi_flen_cb, "fstat,%x,%x",
+ gf->hostfd, arm_flen_buf(cpu));
+}
+
typedef struct GuestFDFunctions {
sys_closefn *closefn;
sys_writefn *writefn;
sys_readfn *readfn;
sys_isattyfn *isattyfn;
sys_seekfn *seekfn;
+ sys_flenfn *flenfn;
} GuestFDFunctions;
static const GuestFDFunctions guestfd_fns[] = {
@@ -501,6 +520,7 @@ static const GuestFDFunctions guestfd_fns[] = {
.readfn = host_readfn,
.isattyfn = host_isattyfn,
.seekfn = host_seekfn,
+ .flenfn = host_flenfn,
},
[GuestFDGDB] = {
.closefn = gdb_closefn,
@@ -508,6 +528,7 @@ static const GuestFDFunctions guestfd_fns[] = {
.readfn = gdb_readfn,
.isattyfn = gdb_isattyfn,
.seekfn = gdb_seekfn,
+ .flenfn = gdb_flenfn,
},
};
@@ -687,16 +708,7 @@ target_ulong do_arm_semihosting(CPUARMState *env)
return set_swi_errno(env, -1);
}
- if (use_gdb_syscalls()) {
- return arm_gdb_syscall(cpu, arm_semi_flen_cb, "fstat,%x,%x",
- gf->hostfd, arm_flen_buf(cpu));
- } else {
- struct stat buf;
- ret = set_swi_errno(env, fstat(gf->hostfd, &buf));
- if (ret == (uint32_t)-1)
- return -1;
- return buf.st_size;
- }
+ return guestfd_fns[gf->type].flenfn(cpu, gf);
case TARGET_SYS_TMPNAM:
qemu_log_mask(LOG_UNIMP, "%s: SYS_TMPNAM not implemented", __func__);
return -1;
--
2.20.1
- [PULL 26/68] target/arm/arm-semi: Always set some kind of errno for failed calls, (continued)
- [PULL 26/68] target/arm/arm-semi: Always set some kind of errno for failed calls, Peter Maydell, 2019/10/14
- [PULL 27/68] target/arm/arm-semi: Correct comment about gdb syscall races, Peter Maydell, 2019/10/14
- [PULL 30/68] target/arm/arm-semi: Use set_swi_errno() in gdbstub callback functions, Peter Maydell, 2019/10/14
- [PULL 28/68] target/arm/arm-semi: Make semihosting code hand out its own file descriptors, Peter Maydell, 2019/10/14
- [PULL 29/68] target/arm/arm-semi: Restrict use of TaskState*, Peter Maydell, 2019/10/14
- [PULL 31/68] target/arm/arm-semi: Factor out implementation of SYS_CLOSE, Peter Maydell, 2019/10/14
- [PULL 32/68] target/arm/arm-semi: Factor out implementation of SYS_WRITE, Peter Maydell, 2019/10/14
- [PULL 33/68] target/arm/arm-semi: Factor out implementation of SYS_READ, Peter Maydell, 2019/10/14
- [PULL 34/68] target/arm/arm-semi: Factor out implementation of SYS_ISTTY, Peter Maydell, 2019/10/14
- [PULL 35/68] target/arm/arm-semi: Factor out implementation of SYS_SEEK, Peter Maydell, 2019/10/14
- [PULL 36/68] target/arm/arm-semi: Factor out implementation of SYS_FLEN,
Peter Maydell <=
- [PULL 37/68] target/arm/arm-semi: Implement support for semihosting feature detection, Peter Maydell, 2019/10/14
- [PULL 38/68] target/arm/arm-semi: Implement SH_EXT_EXIT_EXTENDED extension, Peter Maydell, 2019/10/14
- [PULL 39/68] target/arm/arm-semi: Implement SH_EXT_STDOUT_STDERR extension, Peter Maydell, 2019/10/14
- [PULL 40/68] aspeed/wdt: Check correct register for clock source, Peter Maydell, 2019/10/14
- [PULL 41/68] hw/sd/aspeed_sdhci: New device, Peter Maydell, 2019/10/14
- [PULL 44/68] aspeed/timer: Add support for control register 3, Peter Maydell, 2019/10/14
- [PULL 42/68] hw: aspeed_scu: Add AST2600 support, Peter Maydell, 2019/10/14
- [PULL 43/68] aspeed/timer: Introduce an object class per SoC, Peter Maydell, 2019/10/14
- [PULL 45/68] aspeed/timer: Add AST2600 support, Peter Maydell, 2019/10/14
- [PULL 46/68] aspeed/timer: Add support for IRQ status register on the AST2600, Peter Maydell, 2019/10/14